./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/nla-digbench-scaling/egcd2-ll_valuebound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash fc71ae13b1bed24e074eb2de07c8f2064aa903343708c3aabf1b928078c9e7f6 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:17:03,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:17:03,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:17:03,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:17:03,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:17:03,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:17:03,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:17:03,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:17:03,440 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:17:03,441 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:17:03,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:17:03,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:17:03,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:17:03,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:17:03,444 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:17:03,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:17:03,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:17:03,445 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:17:03,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:17:03,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:17:03,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:17:03,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:17:03,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:17:03,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:17:03,446 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:17:03,446 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:17:03,447 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:17:03,447 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:17:03,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:17:03,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:17:03,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:17:03,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:17:03,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:17:03,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:17:03,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:17:03,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:17:03,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:17:03,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:17:03,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:17:03,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:17:03,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:17:03,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:17:03,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:17:03,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:17:03,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc71ae13b1bed24e074eb2de07c8f2064aa903343708c3aabf1b928078c9e7f6 [2024-11-12 17:17:03,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:17:03,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:17:03,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:17:03,637 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:17:03,637 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:17:03,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c [2024-11-12 17:17:04,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:17:05,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:17:05,080 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c [2024-11-12 17:17:05,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ea6e84c8/d3b154ac77364bacb67c6da2519fb160/FLAGf2b50cb3f [2024-11-12 17:17:05,101 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ea6e84c8/d3b154ac77364bacb67c6da2519fb160 [2024-11-12 17:17:05,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:17:05,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:17:05,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:17:05,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:17:05,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:17:05,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3043aa73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05, skipping insertion in model container [2024-11-12 17:17:05,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:17:05,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:17:05,331 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:17:05,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:17:05,360 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:17:05,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05 WrapperNode [2024-11-12 17:17:05,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:17:05,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:17:05,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:17:05,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:17:05,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,402 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2024-11-12 17:17:05,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:17:05,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:17:05,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:17:05,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:17:05,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,426 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 17:17:05,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:17:05,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:17:05,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:17:05,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:17:05,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (1/1) ... [2024-11-12 17:17:05,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:17:05,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:05,484 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) [2024-11-12 17:17:05,489 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 [2024-11-12 17:17:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:17:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 17:17:05,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 17:17:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:17:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:17:05,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:17:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:17:05,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:17:05,574 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:17:05,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:17:06,200 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-11-12 17:17:06,201 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:17:06,211 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:17:06,212 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 17:17:06,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:17:06 BoogieIcfgContainer [2024-11-12 17:17:06,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:17:06,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:17:06,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:17:06,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:17:06,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:17:05" (1/3) ... [2024-11-12 17:17:06,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5679e89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:17:06, skipping insertion in model container [2024-11-12 17:17:06,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:17:05" (2/3) ... [2024-11-12 17:17:06,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5679e89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:17:06, skipping insertion in model container [2024-11-12 17:17:06,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:17:06" (3/3) ... [2024-11-12 17:17:06,218 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound50.c [2024-11-12 17:17:06,229 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:17:06,229 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-11-12 17:17:06,269 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:17:06,276 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;@10ff8fb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:17:06,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-11-12 17:17:06,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 84 states have (on average 1.8571428571428572) internal successors, (156), 149 states have internal predecessors, (156), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 17:17:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-12 17:17:06,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:06,284 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:06,285 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:06,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:06,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1839957436, now seen corresponding path program 1 times [2024-11-12 17:17:06,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:06,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136548665] [2024-11-12 17:17:06,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:06,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:06,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:06,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:17:06,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:06,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136548665] [2024-11-12 17:17:06,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136548665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:06,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:06,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:17:06,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313021754] [2024-11-12 17:17:06,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:06,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:17:06,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:06,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:17:06,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:17:06,436 INFO L87 Difference]: Start difference. First operand has 163 states, 84 states have (on average 1.8571428571428572) internal successors, (156), 149 states have internal predecessors, (156), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:17:06,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:06,460 INFO L93 Difference]: Finished difference Result 321 states and 367 transitions. [2024-11-12 17:17:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:17:06,462 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-12 17:17:06,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:06,467 INFO L225 Difference]: With dead ends: 321 [2024-11-12 17:17:06,468 INFO L226 Difference]: Without dead ends: 155 [2024-11-12 17:17:06,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:17:06,473 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:06,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:17:06,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-12 17:17:06,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-12 17:17:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 79 states have (on average 1.8101265822784811) internal successors, (143), 142 states have internal predecessors, (143), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 17:17:06,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 165 transitions. [2024-11-12 17:17:06,512 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 165 transitions. Word has length 25 [2024-11-12 17:17:06,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:06,512 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 165 transitions. [2024-11-12 17:17:06,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:17:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2024-11-12 17:17:06,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-12 17:17:06,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:06,514 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:06,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:17:06,514 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:06,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:06,515 INFO L85 PathProgramCache]: Analyzing trace with hash 591615616, now seen corresponding path program 1 times [2024-11-12 17:17:06,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:06,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829301384] [2024-11-12 17:17:06,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:06,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:06,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512419016] [2024-11-12 17:17:06,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:06,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:06,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:06,556 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) [2024-11-12 17:17:06,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:17:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:06,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 17:17:06,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 17:17:06,774 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:06,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:06,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829301384] [2024-11-12 17:17:06,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:06,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512419016] [2024-11-12 17:17:06,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512419016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:06,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:06,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 17:17:06,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482082306] [2024-11-12 17:17:06,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:06,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:17:06,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:06,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:17:06,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:17:06,777 INFO L87 Difference]: Start difference. First operand 155 states and 165 transitions. Second operand has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:17:07,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:07,009 INFO L93 Difference]: Finished difference Result 155 states and 165 transitions. [2024-11-12 17:17:07,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:17:07,010 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 25 [2024-11-12 17:17:07,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:07,011 INFO L225 Difference]: With dead ends: 155 [2024-11-12 17:17:07,011 INFO L226 Difference]: Without dead ends: 153 [2024-11-12 17:17:07,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:17:07,013 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 196 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:07,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 227 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:17:07,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-12 17:17:07,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-12 17:17:07,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 79 states have (on average 1.7848101265822784) internal successors, (141), 140 states have internal predecessors, (141), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 17:17:07,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2024-11-12 17:17:07,034 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 25 [2024-11-12 17:17:07,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:07,036 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2024-11-12 17:17:07,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:17:07,037 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-12 17:17:07,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-12 17:17:07,038 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:07,038 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:07,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 17:17:07,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:07,239 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:07,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:07,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1160214954, now seen corresponding path program 1 times [2024-11-12 17:17:07,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:07,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606304977] [2024-11-12 17:17:07,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:07,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:07,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [4131690] [2024-11-12 17:17:07,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:07,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:07,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:07,275 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) [2024-11-12 17:17:07,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:17:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:07,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 17:17:07,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 17:17:07,425 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:17:07,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:07,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606304977] [2024-11-12 17:17:07,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:07,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4131690] [2024-11-12 17:17:07,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4131690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:07,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:07,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-12 17:17:07,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424955132] [2024-11-12 17:17:07,739 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:17:07,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:17:07,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:07,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:17:07,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:17:07,740 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:17:08,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:08,086 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2024-11-12 17:17:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:17:08,086 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 26 [2024-11-12 17:17:08,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:08,087 INFO L225 Difference]: With dead ends: 153 [2024-11-12 17:17:08,089 INFO L226 Difference]: Without dead ends: 152 [2024-11-12 17:17:08,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:17:08,090 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 103 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:08,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 244 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:17:08,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-12 17:17:08,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-12 17:17:08,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 139 states have internal predecessors, (140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 17:17:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2024-11-12 17:17:08,105 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 26 [2024-11-12 17:17:08,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:08,105 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2024-11-12 17:17:08,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:17:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2024-11-12 17:17:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-12 17:17:08,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:08,106 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:08,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 17:17:08,306 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,SelfDestructingSolverStorable2 [2024-11-12 17:17:08,307 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:08,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:08,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1342616358, now seen corresponding path program 1 times [2024-11-12 17:17:08,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:08,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449247926] [2024-11-12 17:17:08,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:08,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:08,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:08,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:08,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:08,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:08,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:08,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:08,487 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-12 17:17:08,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:08,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449247926] [2024-11-12 17:17:08,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449247926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:08,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238635976] [2024-11-12 17:17:08,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:08,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:08,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:08,492 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) [2024-11-12 17:17:08,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:17:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:08,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:17:08,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:08,545 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:08,545 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:08,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238635976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:08,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:08,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-12 17:17:08,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393066001] [2024-11-12 17:17:08,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:08,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:17:08,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:08,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:17:08,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:08,547 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:08,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:08,929 INFO L93 Difference]: Finished difference Result 258 states and 290 transitions. [2024-11-12 17:17:08,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:17:08,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2024-11-12 17:17:08,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:08,931 INFO L225 Difference]: With dead ends: 258 [2024-11-12 17:17:08,931 INFO L226 Difference]: Without dead ends: 248 [2024-11-12 17:17:08,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:08,933 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 89 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:08,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 220 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:17:08,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-12 17:17:08,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 205. [2024-11-12 17:17:08,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.7578125) internal successors, (225), 187 states have internal predecessors, (225), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 17:17:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 255 transitions. [2024-11-12 17:17:08,943 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 255 transitions. Word has length 41 [2024-11-12 17:17:08,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:08,944 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 255 transitions. [2024-11-12 17:17:08,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:08,944 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 255 transitions. [2024-11-12 17:17:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-12 17:17:08,945 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:08,945 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:08,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:17:09,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:09,145 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:09,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:09,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1328567401, now seen corresponding path program 1 times [2024-11-12 17:17:09,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:09,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626995380] [2024-11-12 17:17:09,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:09,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:09,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187401493] [2024-11-12 17:17:09,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:09,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:09,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:09,174 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) [2024-11-12 17:17:09,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:17:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:09,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:17:09,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:09,221 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:09,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:09,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626995380] [2024-11-12 17:17:09,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:09,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187401493] [2024-11-12 17:17:09,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187401493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:09,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:09,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:17:09,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410428743] [2024-11-12 17:17:09,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:09,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:17:09,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:09,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:17:09,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:17:09,223 INFO L87 Difference]: Start difference. First operand 205 states and 255 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-12 17:17:09,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:09,364 INFO L93 Difference]: Finished difference Result 351 states and 451 transitions. [2024-11-12 17:17:09,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:17:09,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 42 [2024-11-12 17:17:09,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:09,366 INFO L225 Difference]: With dead ends: 351 [2024-11-12 17:17:09,366 INFO L226 Difference]: Without dead ends: 343 [2024-11-12 17:17:09,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:17:09,367 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 83 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:09,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 274 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:17:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-12 17:17:09,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 304. [2024-11-12 17:17:09,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7625570776255708) internal successors, (386), 278 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:09,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 432 transitions. [2024-11-12 17:17:09,394 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 432 transitions. Word has length 42 [2024-11-12 17:17:09,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:09,394 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 432 transitions. [2024-11-12 17:17:09,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-12 17:17:09,394 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 432 transitions. [2024-11-12 17:17:09,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-12 17:17:09,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:09,395 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:09,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:09,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:09,603 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:09,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:09,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1764137224, now seen corresponding path program 1 times [2024-11-12 17:17:09,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:09,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505404163] [2024-11-12 17:17:09,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:09,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:09,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:09,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:09,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:09,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:09,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:09,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-12 17:17:09,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:09,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505404163] [2024-11-12 17:17:09,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505404163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:09,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209164521] [2024-11-12 17:17:09,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:09,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:09,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:09,730 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) [2024-11-12 17:17:09,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:17:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:09,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:17:09,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:09,825 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:09,825 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:09,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209164521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:09,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:09,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-12 17:17:09,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087426779] [2024-11-12 17:17:09,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:09,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:09,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:09,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:09,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:09,827 INFO L87 Difference]: Start difference. First operand 304 states and 432 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:10,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:10,301 INFO L93 Difference]: Finished difference Result 323 states and 454 transitions. [2024-11-12 17:17:10,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:10,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-11-12 17:17:10,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:10,304 INFO L225 Difference]: With dead ends: 323 [2024-11-12 17:17:10,304 INFO L226 Difference]: Without dead ends: 322 [2024-11-12 17:17:10,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:10,305 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 59 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:10,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 203 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:17:10,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-12 17:17:10,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 305. [2024-11-12 17:17:10,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.759090909090909) internal successors, (387), 279 states have internal predecessors, (387), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 433 transitions. [2024-11-12 17:17:10,318 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 433 transitions. Word has length 43 [2024-11-12 17:17:10,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:10,318 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 433 transitions. [2024-11-12 17:17:10,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 433 transitions. [2024-11-12 17:17:10,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-12 17:17:10,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:10,319 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:10,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 17:17:10,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:10,524 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:10,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:10,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1147983047, now seen corresponding path program 1 times [2024-11-12 17:17:10,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:10,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293758628] [2024-11-12 17:17:10,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:10,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:10,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:10,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:10,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:10,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:10,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:10,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:10,704 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-12 17:17:10,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:10,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293758628] [2024-11-12 17:17:10,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293758628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:10,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479112972] [2024-11-12 17:17:10,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:10,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:10,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:10,709 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) [2024-11-12 17:17:10,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:17:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:10,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:17:10,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:10,856 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:10,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479112972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:10,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:10,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-12 17:17:10,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875540235] [2024-11-12 17:17:10,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:10,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:17:10,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:10,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:17:10,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:17:10,858 INFO L87 Difference]: Start difference. First operand 305 states and 433 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:11,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:11,924 INFO L93 Difference]: Finished difference Result 386 states and 453 transitions. [2024-11-12 17:17:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:17:11,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-12 17:17:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:11,929 INFO L225 Difference]: With dead ends: 386 [2024-11-12 17:17:11,929 INFO L226 Difference]: Without dead ends: 385 [2024-11-12 17:17:11,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:17:11,929 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 424 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:11,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 315 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:17:11,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-12 17:17:11,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 305. [2024-11-12 17:17:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.7545454545454546) internal successors, (386), 279 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 432 transitions. [2024-11-12 17:17:11,966 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 432 transitions. Word has length 44 [2024-11-12 17:17:11,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:11,966 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 432 transitions. [2024-11-12 17:17:11,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 432 transitions. [2024-11-12 17:17:11,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-12 17:17:11,967 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:11,967 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:11,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:12,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:12,174 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:12,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:12,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1146320713, now seen corresponding path program 1 times [2024-11-12 17:17:12,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:12,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194674612] [2024-11-12 17:17:12,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:12,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:12,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:12,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:12,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:12,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:12,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:12,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-12 17:17:12,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:12,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194674612] [2024-11-12 17:17:12,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194674612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:12,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255795395] [2024-11-12 17:17:12,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:12,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:12,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:12,239 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:12,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:17:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:12,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:17:12,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:12,336 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:12,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255795395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:12,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:12,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-12 17:17:12,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86383411] [2024-11-12 17:17:12,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:12,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:12,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:12,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:12,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:12,337 INFO L87 Difference]: Start difference. First operand 305 states and 432 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:12,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:12,719 INFO L93 Difference]: Finished difference Result 323 states and 452 transitions. [2024-11-12 17:17:12,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:12,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-12 17:17:12,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:12,721 INFO L225 Difference]: With dead ends: 323 [2024-11-12 17:17:12,721 INFO L226 Difference]: Without dead ends: 322 [2024-11-12 17:17:12,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:12,722 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 58 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:12,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 204 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:17:12,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-12 17:17:12,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 306. [2024-11-12 17:17:12,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.751131221719457) internal successors, (387), 280 states have internal predecessors, (387), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 433 transitions. [2024-11-12 17:17:12,730 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 433 transitions. Word has length 44 [2024-11-12 17:17:12,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:12,731 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 433 transitions. [2024-11-12 17:17:12,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 433 transitions. [2024-11-12 17:17:12,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-12 17:17:12,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:12,731 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:12,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 17:17:12,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:12,932 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:12,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:12,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1227736010, now seen corresponding path program 1 times [2024-11-12 17:17:12,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:12,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912032723] [2024-11-12 17:17:12,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:12,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:12,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416622746] [2024-11-12 17:17:12,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:12,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:12,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:12,950 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:12,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:17:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:12,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:17:12,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:13,033 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:13,034 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:13,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:13,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912032723] [2024-11-12 17:17:13,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:13,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416622746] [2024-11-12 17:17:13,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416622746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:13,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:13,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:17:13,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638556464] [2024-11-12 17:17:13,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:13,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:17:13,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:13,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:17:13,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:17:13,035 INFO L87 Difference]: Start difference. First operand 306 states and 433 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:13,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:13,688 INFO L93 Difference]: Finished difference Result 385 states and 451 transitions. [2024-11-12 17:17:13,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:17:13,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-11-12 17:17:13,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:13,690 INFO L225 Difference]: With dead ends: 385 [2024-11-12 17:17:13,690 INFO L226 Difference]: Without dead ends: 384 [2024-11-12 17:17:13,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:13,691 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 463 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:13,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 287 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:17:13,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-12 17:17:13,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 306. [2024-11-12 17:17:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.746606334841629) internal successors, (386), 280 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 432 transitions. [2024-11-12 17:17:13,699 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 432 transitions. Word has length 45 [2024-11-12 17:17:13,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:13,699 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 432 transitions. [2024-11-12 17:17:13,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:13,700 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 432 transitions. [2024-11-12 17:17:13,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-12 17:17:13,700 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:13,700 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:13,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:13,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-12 17:17:13,905 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:13,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:13,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1176203542, now seen corresponding path program 1 times [2024-11-12 17:17:13,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:13,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27951417] [2024-11-12 17:17:13,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:13,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:13,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:13,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:13,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:13,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:13,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:13,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-12 17:17:13,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:13,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27951417] [2024-11-12 17:17:13,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27951417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:13,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618170987] [2024-11-12 17:17:13,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:13,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:13,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:13,971 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:13,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:17:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:14,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:17:14,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:14,030 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:14,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618170987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:14,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:14,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-12 17:17:14,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666321474] [2024-11-12 17:17:14,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:14,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:14,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:14,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:14,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:14,032 INFO L87 Difference]: Start difference. First operand 306 states and 432 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:15,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:15,121 INFO L93 Difference]: Finished difference Result 355 states and 460 transitions. [2024-11-12 17:17:15,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:15,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-11-12 17:17:15,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:15,124 INFO L225 Difference]: With dead ends: 355 [2024-11-12 17:17:15,124 INFO L226 Difference]: Without dead ends: 351 [2024-11-12 17:17:15,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:15,124 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 96 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:15,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 273 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 17:17:15,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-12 17:17:15,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 307. [2024-11-12 17:17:15,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 222 states have (on average 1.7207207207207207) internal successors, (382), 281 states have internal predecessors, (382), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 428 transitions. [2024-11-12 17:17:15,137 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 428 transitions. Word has length 45 [2024-11-12 17:17:15,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:15,137 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 428 transitions. [2024-11-12 17:17:15,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:15,138 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 428 transitions. [2024-11-12 17:17:15,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-12 17:17:15,138 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:15,138 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:15,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:15,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-12 17:17:15,339 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:15,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:15,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2102571239, now seen corresponding path program 1 times [2024-11-12 17:17:15,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:15,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121238596] [2024-11-12 17:17:15,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:15,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:15,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:15,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:15,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:15,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:15,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-12 17:17:15,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:15,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121238596] [2024-11-12 17:17:15,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121238596] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:15,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765719155] [2024-11-12 17:17:15,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:15,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:15,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:15,464 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:15,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:17:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:15,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:17:15,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:15,560 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:15,561 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:15,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765719155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:15,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:15,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-12 17:17:15,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036893797] [2024-11-12 17:17:15,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:15,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:15,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:15,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:15,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:15,562 INFO L87 Difference]: Start difference. First operand 307 states and 428 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:16,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:16,612 INFO L93 Difference]: Finished difference Result 354 states and 454 transitions. [2024-11-12 17:17:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:16,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2024-11-12 17:17:16,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:16,616 INFO L225 Difference]: With dead ends: 354 [2024-11-12 17:17:16,616 INFO L226 Difference]: Without dead ends: 350 [2024-11-12 17:17:16,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:16,617 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 95 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:16,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 279 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:17:16,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-12 17:17:16,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 308. [2024-11-12 17:17:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 223 states have (on average 1.695067264573991) internal successors, (378), 282 states have internal predecessors, (378), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 424 transitions. [2024-11-12 17:17:16,626 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 424 transitions. Word has length 46 [2024-11-12 17:17:16,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:16,627 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 424 transitions. [2024-11-12 17:17:16,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:17:16,627 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 424 transitions. [2024-11-12 17:17:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-12 17:17:16,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:16,630 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:16,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:16,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-12 17:17:16,835 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:16,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:16,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1607282437, now seen corresponding path program 1 times [2024-11-12 17:17:16,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:16,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148613448] [2024-11-12 17:17:16,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:16,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:16,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1669671671] [2024-11-12 17:17:16,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:16,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:16,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:16,849 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:16,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 17:17:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:16,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:17:16,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:16,906 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:16,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:16,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148613448] [2024-11-12 17:17:16,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:16,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669671671] [2024-11-12 17:17:16,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669671671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:16,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:16,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:17:16,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187120727] [2024-11-12 17:17:16,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:16,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:17:16,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:16,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:17:16,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:17:16,908 INFO L87 Difference]: Start difference. First operand 308 states and 424 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:17:17,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:17,022 INFO L93 Difference]: Finished difference Result 356 states and 448 transitions. [2024-11-12 17:17:17,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:17:17,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2024-11-12 17:17:17,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:17,023 INFO L225 Difference]: With dead ends: 356 [2024-11-12 17:17:17,024 INFO L226 Difference]: Without dead ends: 352 [2024-11-12 17:17:17,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:17:17,024 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 84 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:17,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 288 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:17:17,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-12 17:17:17,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 313. [2024-11-12 17:17:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6740088105726871) internal successors, (380), 286 states have internal predecessors, (380), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-12 17:17:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 428 transitions. [2024-11-12 17:17:17,033 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 428 transitions. Word has length 51 [2024-11-12 17:17:17,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:17,033 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 428 transitions. [2024-11-12 17:17:17,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:17:17,033 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 428 transitions. [2024-11-12 17:17:17,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-12 17:17:17,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:17,034 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:17,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:17,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-12 17:17:17,238 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:17,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:17,238 INFO L85 PathProgramCache]: Analyzing trace with hash 29733890, now seen corresponding path program 1 times [2024-11-12 17:17:17,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:17,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474311670] [2024-11-12 17:17:17,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:17,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:17,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:17,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:17,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:17,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:17,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:17,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:17,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:17:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-12 17:17:17,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:17,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474311670] [2024-11-12 17:17:17,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474311670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:17,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008208917] [2024-11-12 17:17:17,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:17,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:17,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:17,305 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:17,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 17:17:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:17,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:17:17,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:17,405 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:17,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008208917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:17,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:17,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-12 17:17:17,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118452740] [2024-11-12 17:17:17,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:17,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:17,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:17,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:17,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:17,406 INFO L87 Difference]: Start difference. First operand 313 states and 428 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:17:17,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:17,784 INFO L93 Difference]: Finished difference Result 334 states and 432 transitions. [2024-11-12 17:17:17,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:17,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-11-12 17:17:17,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:17,786 INFO L225 Difference]: With dead ends: 334 [2024-11-12 17:17:17,786 INFO L226 Difference]: Without dead ends: 332 [2024-11-12 17:17:17,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:17,787 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 166 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:17,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 218 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:17:17,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-12 17:17:17,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 313. [2024-11-12 17:17:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 286 states have internal predecessors, (377), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-12 17:17:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 425 transitions. [2024-11-12 17:17:17,796 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 425 transitions. Word has length 52 [2024-11-12 17:17:17,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:17,796 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 425 transitions. [2024-11-12 17:17:17,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:17:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 425 transitions. [2024-11-12 17:17:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-12 17:17:17,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:17,797 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:17,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:17,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-12 17:17:17,997 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:17,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:17,998 INFO L85 PathProgramCache]: Analyzing trace with hash 921750790, now seen corresponding path program 1 times [2024-11-12 17:17:17,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:17,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917860040] [2024-11-12 17:17:17,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:17,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:18,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:18,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:18,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:18,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:18,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:18,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:18,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:17:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-12 17:17:18,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:18,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917860040] [2024-11-12 17:17:18,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917860040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:18,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779216629] [2024-11-12 17:17:18,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:18,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:18,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:18,084 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:18,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 17:17:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:18,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:17:18,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:18,173 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:18,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779216629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:18,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:18,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-12 17:17:18,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883304848] [2024-11-12 17:17:18,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:18,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:18,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:18,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:18,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:18,175 INFO L87 Difference]: Start difference. First operand 313 states and 425 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:17:18,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:18,393 INFO L93 Difference]: Finished difference Result 334 states and 429 transitions. [2024-11-12 17:17:18,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:18,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-12 17:17:18,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:18,395 INFO L225 Difference]: With dead ends: 334 [2024-11-12 17:17:18,395 INFO L226 Difference]: Without dead ends: 332 [2024-11-12 17:17:18,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:18,395 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 229 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:18,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 200 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:17:18,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-12 17:17:18,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 313. [2024-11-12 17:17:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6475770925110131) internal successors, (374), 286 states have internal predecessors, (374), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-12 17:17:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 422 transitions. [2024-11-12 17:17:18,404 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 422 transitions. Word has length 53 [2024-11-12 17:17:18,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:18,404 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 422 transitions. [2024-11-12 17:17:18,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:17:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 422 transitions. [2024-11-12 17:17:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-12 17:17:18,405 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:18,405 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:18,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-12 17:17:18,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-12 17:17:18,606 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:18,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:18,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1203545985, now seen corresponding path program 1 times [2024-11-12 17:17:18,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:18,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532168975] [2024-11-12 17:17:18,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:18,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:18,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [988363850] [2024-11-12 17:17:18,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:18,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:18,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:18,615 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:18,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 17:17:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:18,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:17:18,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:18,680 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:18,680 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:18,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:18,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532168975] [2024-11-12 17:17:18,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:18,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988363850] [2024-11-12 17:17:18,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988363850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:18,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:18,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:17:18,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255802351] [2024-11-12 17:17:18,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:18,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:18,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:18,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:18,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:18,681 INFO L87 Difference]: Start difference. First operand 313 states and 422 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:17:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:19,092 INFO L93 Difference]: Finished difference Result 350 states and 436 transitions. [2024-11-12 17:17:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:19,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-11-12 17:17:19,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:19,094 INFO L225 Difference]: With dead ends: 350 [2024-11-12 17:17:19,094 INFO L226 Difference]: Without dead ends: 348 [2024-11-12 17:17:19,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:19,094 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 137 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:19,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 290 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:17:19,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-12 17:17:19,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 314. [2024-11-12 17:17:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 228 states have (on average 1.6359649122807018) internal successors, (373), 287 states have internal predecessors, (373), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-12 17:17:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 421 transitions. [2024-11-12 17:17:19,103 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 421 transitions. Word has length 55 [2024-11-12 17:17:19,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:19,103 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 421 transitions. [2024-11-12 17:17:19,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:17:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 421 transitions. [2024-11-12 17:17:19,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-12 17:17:19,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:19,104 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:19,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:19,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:19,304 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:19,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:19,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1344780221, now seen corresponding path program 1 times [2024-11-12 17:17:19,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:19,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821653345] [2024-11-12 17:17:19,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:19,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:19,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1137655398] [2024-11-12 17:17:19,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:19,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:19,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:19,318 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:19,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-12 17:17:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:19,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:17:19,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:19,485 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:19,485 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:19,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:19,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821653345] [2024-11-12 17:17:19,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:19,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137655398] [2024-11-12 17:17:19,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137655398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:19,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:19,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:17:19,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198904690] [2024-11-12 17:17:19,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:19,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:19,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:19,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:19,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:19,489 INFO L87 Difference]: Start difference. First operand 314 states and 421 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:17:19,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:19,877 INFO L93 Difference]: Finished difference Result 350 states and 433 transitions. [2024-11-12 17:17:19,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:19,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2024-11-12 17:17:19,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:19,880 INFO L225 Difference]: With dead ends: 350 [2024-11-12 17:17:19,880 INFO L226 Difference]: Without dead ends: 335 [2024-11-12 17:17:19,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:19,881 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 135 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:19,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 294 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:17:19,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-12 17:17:19,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 302. [2024-11-12 17:17:19,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6543778801843319) internal successors, (359), 276 states have internal predecessors, (359), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:19,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 405 transitions. [2024-11-12 17:17:19,897 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 405 transitions. Word has length 56 [2024-11-12 17:17:19,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:19,897 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 405 transitions. [2024-11-12 17:17:19,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:17:19,897 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 405 transitions. [2024-11-12 17:17:19,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-12 17:17:19,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:19,900 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:19,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:20,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-12 17:17:20,101 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:20,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:20,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1270414803, now seen corresponding path program 1 times [2024-11-12 17:17:20,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:20,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653777986] [2024-11-12 17:17:20,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:20,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:20,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [859020540] [2024-11-12 17:17:20,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:20,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:20,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:20,111 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:20,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-12 17:17:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:20,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:17:20,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:20,224 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-12 17:17:20,224 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:20,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:20,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653777986] [2024-11-12 17:17:20,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:20,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859020540] [2024-11-12 17:17:20,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859020540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:20,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:20,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:17:20,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044827146] [2024-11-12 17:17:20,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:20,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:20,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:20,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:20,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:20,225 INFO L87 Difference]: Start difference. First operand 302 states and 405 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:17:20,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:20,723 INFO L93 Difference]: Finished difference Result 326 states and 426 transitions. [2024-11-12 17:17:20,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:20,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2024-11-12 17:17:20,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:20,725 INFO L225 Difference]: With dead ends: 326 [2024-11-12 17:17:20,725 INFO L226 Difference]: Without dead ends: 325 [2024-11-12 17:17:20,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:20,726 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 159 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:20,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 177 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:17:20,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-12 17:17:20,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 302. [2024-11-12 17:17:20,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6497695852534562) internal successors, (358), 276 states have internal predecessors, (358), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:20,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 404 transitions. [2024-11-12 17:17:20,737 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 404 transitions. Word has length 64 [2024-11-12 17:17:20,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:20,738 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 404 transitions. [2024-11-12 17:17:20,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:17:20,738 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 404 transitions. [2024-11-12 17:17:20,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-12 17:17:20,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:20,739 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:20,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-12 17:17:20,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-12 17:17:20,940 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:20,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:20,940 INFO L85 PathProgramCache]: Analyzing trace with hash -728153128, now seen corresponding path program 1 times [2024-11-12 17:17:20,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:20,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517416867] [2024-11-12 17:17:20,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:20,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:20,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1133773565] [2024-11-12 17:17:20,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:20,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:20,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:20,952 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:20,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-12 17:17:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:21,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:17:21,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:21,132 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-12 17:17:21,132 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:21,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:21,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517416867] [2024-11-12 17:17:21,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:21,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133773565] [2024-11-12 17:17:21,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133773565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:21,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:21,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:17:21,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344156384] [2024-11-12 17:17:21,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:21,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:21,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:21,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:21,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:21,133 INFO L87 Difference]: Start difference. First operand 302 states and 404 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:17:21,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:21,390 INFO L93 Difference]: Finished difference Result 326 states and 425 transitions. [2024-11-12 17:17:21,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:21,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2024-11-12 17:17:21,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:21,391 INFO L225 Difference]: With dead ends: 326 [2024-11-12 17:17:21,391 INFO L226 Difference]: Without dead ends: 325 [2024-11-12 17:17:21,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:21,392 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 158 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:21,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 177 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:17:21,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-12 17:17:21,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 302. [2024-11-12 17:17:21,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6451612903225807) internal successors, (357), 276 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 403 transitions. [2024-11-12 17:17:21,402 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 403 transitions. Word has length 65 [2024-11-12 17:17:21,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:21,402 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 403 transitions. [2024-11-12 17:17:21,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:17:21,403 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 403 transitions. [2024-11-12 17:17:21,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-12 17:17:21,403 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:21,403 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:21,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-12 17:17:21,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 17:17:21,604 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:21,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:21,605 INFO L85 PathProgramCache]: Analyzing trace with hash 666512659, now seen corresponding path program 1 times [2024-11-12 17:17:21,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:21,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786332887] [2024-11-12 17:17:21,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:21,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:21,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1907438168] [2024-11-12 17:17:21,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:21,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:21,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:21,621 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:21,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-12 17:17:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:21,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:17:21,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-12 17:17:21,797 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:21,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:21,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786332887] [2024-11-12 17:17:21,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:21,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907438168] [2024-11-12 17:17:21,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907438168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:21,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:21,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:17:21,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552863419] [2024-11-12 17:17:21,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:21,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:21,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:21,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:21,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:21,799 INFO L87 Difference]: Start difference. First operand 302 states and 403 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:17:21,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:21,969 INFO L93 Difference]: Finished difference Result 328 states and 424 transitions. [2024-11-12 17:17:21,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:21,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2024-11-12 17:17:21,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:21,970 INFO L225 Difference]: With dead ends: 328 [2024-11-12 17:17:21,970 INFO L226 Difference]: Without dead ends: 327 [2024-11-12 17:17:21,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:21,971 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 88 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:21,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 228 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:17:21,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-12 17:17:22,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 302. [2024-11-12 17:17:22,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6359447004608294) internal successors, (355), 276 states have internal predecessors, (355), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 401 transitions. [2024-11-12 17:17:22,001 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 401 transitions. Word has length 75 [2024-11-12 17:17:22,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:22,001 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 401 transitions. [2024-11-12 17:17:22,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:17:22,002 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 401 transitions. [2024-11-12 17:17:22,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-12 17:17:22,002 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:22,002 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:22,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:22,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:22,203 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:22,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:22,203 INFO L85 PathProgramCache]: Analyzing trace with hash -812943937, now seen corresponding path program 1 times [2024-11-12 17:17:22,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:22,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266235674] [2024-11-12 17:17:22,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:22,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:22,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2165219] [2024-11-12 17:17:22,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:22,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:22,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:22,218 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:22,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-12 17:17:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:22,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:17:22,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-12 17:17:23,343 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:23,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:23,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266235674] [2024-11-12 17:17:23,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:23,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2165219] [2024-11-12 17:17:23,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2165219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:23,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:23,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:17:23,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199376623] [2024-11-12 17:17:23,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:23,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:23,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:23,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:23,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-12 17:17:23,345 INFO L87 Difference]: Start difference. First operand 302 states and 401 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:17:27,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:17:28,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:17:32,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:17:32,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:32,666 INFO L93 Difference]: Finished difference Result 328 states and 422 transitions. [2024-11-12 17:17:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:32,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-11-12 17:17:32,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:32,667 INFO L225 Difference]: With dead ends: 328 [2024-11-12 17:17:32,667 INFO L226 Difference]: Without dead ends: 327 [2024-11-12 17:17:32,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-12 17:17:32,668 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 43 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:32,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 327 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2024-11-12 17:17:32,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-12 17:17:32,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 302. [2024-11-12 17:17:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6267281105990783) internal successors, (353), 276 states have internal predecessors, (353), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 399 transitions. [2024-11-12 17:17:32,677 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 399 transitions. Word has length 76 [2024-11-12 17:17:32,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:32,677 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 399 transitions. [2024-11-12 17:17:32,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:17:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 399 transitions. [2024-11-12 17:17:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-12 17:17:32,678 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:32,678 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:32,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-12 17:17:32,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:32,879 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:32,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:32,880 INFO L85 PathProgramCache]: Analyzing trace with hash 568541845, now seen corresponding path program 1 times [2024-11-12 17:17:32,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:32,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868351755] [2024-11-12 17:17:32,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:32,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:32,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [183012873] [2024-11-12 17:17:32,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:32,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:32,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:32,891 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:32,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-12 17:17:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:32,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:17:32,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-12 17:17:32,977 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:32,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:32,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868351755] [2024-11-12 17:17:32,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:32,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183012873] [2024-11-12 17:17:32,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183012873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:32,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:32,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:17:32,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724719078] [2024-11-12 17:17:32,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:32,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:32,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:32,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:32,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:32,978 INFO L87 Difference]: Start difference. First operand 302 states and 399 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:17:33,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:33,696 INFO L93 Difference]: Finished difference Result 321 states and 410 transitions. [2024-11-12 17:17:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:33,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-11-12 17:17:33,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:33,698 INFO L225 Difference]: With dead ends: 321 [2024-11-12 17:17:33,698 INFO L226 Difference]: Without dead ends: 319 [2024-11-12 17:17:33,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:33,699 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 55 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:33,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 327 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:17:33,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-12 17:17:33,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-12 17:17:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.608294930875576) internal successors, (349), 276 states have internal predecessors, (349), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 395 transitions. [2024-11-12 17:17:33,712 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 395 transitions. Word has length 77 [2024-11-12 17:17:33,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:33,713 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 395 transitions. [2024-11-12 17:17:33,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:17:33,713 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 395 transitions. [2024-11-12 17:17:33,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-12 17:17:33,713 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:33,714 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:33,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:33,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-12 17:17:33,918 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:33,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:33,918 INFO L85 PathProgramCache]: Analyzing trace with hash 444928129, now seen corresponding path program 1 times [2024-11-12 17:17:33,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:33,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897640721] [2024-11-12 17:17:33,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:33,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:33,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675010583] [2024-11-12 17:17:33,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:33,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:33,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:33,936 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:33,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-12 17:17:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:33,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:17:33,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-12 17:17:34,089 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:34,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:34,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897640721] [2024-11-12 17:17:34,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:34,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675010583] [2024-11-12 17:17:34,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675010583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:34,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:34,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:17:34,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776490845] [2024-11-12 17:17:34,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:34,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:34,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:34,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:34,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:34,091 INFO L87 Difference]: Start difference. First operand 302 states and 395 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:17:34,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:34,539 INFO L93 Difference]: Finished difference Result 321 states and 406 transitions. [2024-11-12 17:17:34,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:34,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2024-11-12 17:17:34,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:34,542 INFO L225 Difference]: With dead ends: 321 [2024-11-12 17:17:34,542 INFO L226 Difference]: Without dead ends: 319 [2024-11-12 17:17:34,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:34,542 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 90 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:34,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 266 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:17:34,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-12 17:17:34,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-12 17:17:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5898617511520738) internal successors, (345), 276 states have internal predecessors, (345), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 391 transitions. [2024-11-12 17:17:34,554 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 391 transitions. Word has length 78 [2024-11-12 17:17:34,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:34,554 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 391 transitions. [2024-11-12 17:17:34,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:17:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 391 transitions. [2024-11-12 17:17:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-12 17:17:34,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:34,556 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:34,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:34,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-12 17:17:34,758 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:34,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:34,758 INFO L85 PathProgramCache]: Analyzing trace with hash -518360293, now seen corresponding path program 1 times [2024-11-12 17:17:34,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:34,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783915873] [2024-11-12 17:17:34,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:34,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:34,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1912989314] [2024-11-12 17:17:34,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:34,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:34,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:34,786 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:34,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-12 17:17:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:34,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:17:34,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-12 17:17:35,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:17:35,205 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-12 17:17:35,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:35,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783915873] [2024-11-12 17:17:35,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:35,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912989314] [2024-11-12 17:17:35,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912989314] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:17:35,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:17:35,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-12 17:17:35,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350024488] [2024-11-12 17:17:35,206 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:17:35,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:17:35,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:35,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:17:35,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:17:35,207 INFO L87 Difference]: Start difference. First operand 302 states and 391 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-12 17:17:35,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:35,831 INFO L93 Difference]: Finished difference Result 320 states and 392 transitions. [2024-11-12 17:17:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:17:35,831 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 83 [2024-11-12 17:17:35,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:35,832 INFO L225 Difference]: With dead ends: 320 [2024-11-12 17:17:35,832 INFO L226 Difference]: Without dead ends: 319 [2024-11-12 17:17:35,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:17:35,833 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 174 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:35,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 414 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:17:35,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-12 17:17:35,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-12 17:17:35,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.576036866359447) internal successors, (342), 276 states have internal predecessors, (342), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 388 transitions. [2024-11-12 17:17:35,843 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 388 transitions. Word has length 83 [2024-11-12 17:17:35,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:35,843 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 388 transitions. [2024-11-12 17:17:35,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-12 17:17:35,844 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 388 transitions. [2024-11-12 17:17:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-12 17:17:35,844 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:35,844 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:35,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-12 17:17:36,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:36,045 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:36,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:36,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1110700231, now seen corresponding path program 1 times [2024-11-12 17:17:36,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:36,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649492291] [2024-11-12 17:17:36,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:36,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:36,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580742301] [2024-11-12 17:17:36,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:36,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:36,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:36,057 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:36,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-12 17:17:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:36,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:17:36,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-12 17:17:36,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:17:36,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:36,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649492291] [2024-11-12 17:17:36,845 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:36,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580742301] [2024-11-12 17:17:36,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580742301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:36,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:36,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-12 17:17:36,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898203439] [2024-11-12 17:17:36,845 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:17:36,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:17:36,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:36,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:17:36,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:17:36,846 INFO L87 Difference]: Start difference. First operand 302 states and 388 transitions. Second operand has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 17:17:37,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:37,092 INFO L93 Difference]: Finished difference Result 306 states and 389 transitions. [2024-11-12 17:17:37,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:17:37,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 84 [2024-11-12 17:17:37,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:37,093 INFO L225 Difference]: With dead ends: 306 [2024-11-12 17:17:37,093 INFO L226 Difference]: Without dead ends: 305 [2024-11-12 17:17:37,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:17:37,095 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 248 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:37,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 309 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:17:37,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-12 17:17:37,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 302. [2024-11-12 17:17:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.566820276497696) internal successors, (340), 276 states have internal predecessors, (340), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 386 transitions. [2024-11-12 17:17:37,118 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 386 transitions. Word has length 84 [2024-11-12 17:17:37,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:37,118 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 386 transitions. [2024-11-12 17:17:37,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 17:17:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 386 transitions. [2024-11-12 17:17:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-12 17:17:37,119 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:37,119 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:37,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:37,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:37,319 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:37,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:37,320 INFO L85 PathProgramCache]: Analyzing trace with hash 71968925, now seen corresponding path program 1 times [2024-11-12 17:17:37,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:37,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075944545] [2024-11-12 17:17:37,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:37,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:37,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1321929235] [2024-11-12 17:17:37,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:37,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:37,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:37,341 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:37,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-12 17:17:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:37,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:17:37,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-12 17:17:37,654 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:17:42,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:42,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075944545] [2024-11-12 17:17:42,187 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:42,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321929235] [2024-11-12 17:17:42,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321929235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:42,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:42,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-12 17:17:42,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965991036] [2024-11-12 17:17:42,188 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:17:42,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:17:42,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:42,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:17:42,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-12 17:17:42,189 INFO L87 Difference]: Start difference. First operand 302 states and 386 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:17:42,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:42,768 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2024-11-12 17:17:42,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:17:42,769 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 85 [2024-11-12 17:17:42,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:42,770 INFO L225 Difference]: With dead ends: 320 [2024-11-12 17:17:42,770 INFO L226 Difference]: Without dead ends: 317 [2024-11-12 17:17:42,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-12 17:17:42,770 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 183 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:42,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 296 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:17:42,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-12 17:17:42,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 302. [2024-11-12 17:17:42,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5391705069124424) internal successors, (334), 276 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:42,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 380 transitions. [2024-11-12 17:17:42,779 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 380 transitions. Word has length 85 [2024-11-12 17:17:42,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:42,780 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 380 transitions. [2024-11-12 17:17:42,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:17:42,780 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 380 transitions. [2024-11-12 17:17:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-12 17:17:42,780 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:42,780 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:42,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:42,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-12 17:17:42,981 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:42,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:42,982 INFO L85 PathProgramCache]: Analyzing trace with hash -2063930487, now seen corresponding path program 1 times [2024-11-12 17:17:42,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:42,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884963777] [2024-11-12 17:17:42,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:42,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:42,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [598313723] [2024-11-12 17:17:42,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:42,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:42,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:43,000 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:43,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-12 17:17:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:43,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-12 17:17:43,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:43,444 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-12 17:17:43,445 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:17:43,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:43,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884963777] [2024-11-12 17:17:43,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:43,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598313723] [2024-11-12 17:17:43,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598313723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:43,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:43,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-12 17:17:43,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739880713] [2024-11-12 17:17:43,647 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:17:43,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:17:43,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:43,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:17:43,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:17:43,648 INFO L87 Difference]: Start difference. First operand 302 states and 380 transitions. Second operand has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 17:17:44,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:44,151 INFO L93 Difference]: Finished difference Result 310 states and 383 transitions. [2024-11-12 17:17:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:17:44,152 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 86 [2024-11-12 17:17:44,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:44,153 INFO L225 Difference]: With dead ends: 310 [2024-11-12 17:17:44,153 INFO L226 Difference]: Without dead ends: 307 [2024-11-12 17:17:44,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:17:44,153 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 275 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:44,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 229 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:17:44,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-12 17:17:44,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 302. [2024-11-12 17:17:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5115207373271888) internal successors, (328), 276 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 374 transitions. [2024-11-12 17:17:44,163 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 374 transitions. Word has length 86 [2024-11-12 17:17:44,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:44,163 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 374 transitions. [2024-11-12 17:17:44,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 17:17:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 374 transitions. [2024-11-12 17:17:44,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-12 17:17:44,164 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:44,164 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:44,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-12 17:17:44,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-12 17:17:44,368 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:44,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:44,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1639846860, now seen corresponding path program 1 times [2024-11-12 17:17:44,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:44,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059374590] [2024-11-12 17:17:44,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:44,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 17:17:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:17:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:17:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:17:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,446 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:17:44,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:44,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059374590] [2024-11-12 17:17:44,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059374590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:44,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:44,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:17:44,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492123116] [2024-11-12 17:17:44,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:44,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:17:44,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:44,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:17:44,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:17:44,447 INFO L87 Difference]: Start difference. First operand 302 states and 374 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-12 17:17:44,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:44,590 INFO L93 Difference]: Finished difference Result 302 states and 374 transitions. [2024-11-12 17:17:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:17:44,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 99 [2024-11-12 17:17:44,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:44,591 INFO L225 Difference]: With dead ends: 302 [2024-11-12 17:17:44,591 INFO L226 Difference]: Without dead ends: 301 [2024-11-12 17:17:44,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:17:44,592 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 1 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:44,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 285 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:17:44,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-12 17:17:44,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2024-11-12 17:17:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 217 states have (on average 1.4930875576036866) internal successors, (324), 275 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:44,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 370 transitions. [2024-11-12 17:17:44,600 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 370 transitions. Word has length 99 [2024-11-12 17:17:44,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:44,601 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 370 transitions. [2024-11-12 17:17:44,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-12 17:17:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 370 transitions. [2024-11-12 17:17:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 17:17:44,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:44,601 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:44,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-12 17:17:44,602 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:44,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:44,602 INFO L85 PathProgramCache]: Analyzing trace with hash -704354736, now seen corresponding path program 1 times [2024-11-12 17:17:44,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:44,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595440969] [2024-11-12 17:17:44,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:44,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 17:17:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:17:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:17:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:17:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:17:44,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:44,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595440969] [2024-11-12 17:17:44,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595440969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:44,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:44,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:17:44,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303889580] [2024-11-12 17:17:44,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:44,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:17:44,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:44,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:17:44,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:17:44,694 INFO L87 Difference]: Start difference. First operand 301 states and 370 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-12 17:17:45,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:45,512 INFO L93 Difference]: Finished difference Result 305 states and 371 transitions. [2024-11-12 17:17:45,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:17:45,513 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 100 [2024-11-12 17:17:45,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:45,514 INFO L225 Difference]: With dead ends: 305 [2024-11-12 17:17:45,514 INFO L226 Difference]: Without dead ends: 304 [2024-11-12 17:17:45,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:17:45,514 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 421 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:45,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 230 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:17:45,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-12 17:17:45,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2024-11-12 17:17:45,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 217 states have (on average 1.4884792626728112) internal successors, (323), 275 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:45,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 369 transitions. [2024-11-12 17:17:45,524 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 369 transitions. Word has length 100 [2024-11-12 17:17:45,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:45,524 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 369 transitions. [2024-11-12 17:17:45,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-12 17:17:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 369 transitions. [2024-11-12 17:17:45,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-12 17:17:45,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:45,524 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:45,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-12 17:17:45,525 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:45,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:45,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1718397328, now seen corresponding path program 1 times [2024-11-12 17:17:45,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:45,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105579443] [2024-11-12 17:17:45,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:45,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:45,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:45,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:45,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:45,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:45,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:45,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 17:17:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:45,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:17:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:45,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:17:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:45,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:17:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:17:45,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:45,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105579443] [2024-11-12 17:17:45,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105579443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:45,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:45,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:17:45,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468843824] [2024-11-12 17:17:45,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:45,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:17:45,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:45,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:17:45,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:17:45,673 INFO L87 Difference]: Start difference. First operand 301 states and 369 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-12 17:17:46,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:46,400 INFO L93 Difference]: Finished difference Result 316 states and 380 transitions. [2024-11-12 17:17:46,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:17:46,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2024-11-12 17:17:46,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:46,404 INFO L225 Difference]: With dead ends: 316 [2024-11-12 17:17:46,404 INFO L226 Difference]: Without dead ends: 315 [2024-11-12 17:17:46,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:17:46,405 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 13 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:46,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 515 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:17:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-12 17:17:46,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 306. [2024-11-12 17:17:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 222 states have (on average 1.4774774774774775) internal successors, (328), 280 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 374 transitions. [2024-11-12 17:17:46,425 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 374 transitions. Word has length 102 [2024-11-12 17:17:46,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:46,425 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 374 transitions. [2024-11-12 17:17:46,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-12 17:17:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 374 transitions. [2024-11-12 17:17:46,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-12 17:17:46,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:46,430 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:46,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-12 17:17:46,430 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:46,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:46,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1730709788, now seen corresponding path program 1 times [2024-11-12 17:17:46,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:46,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954574815] [2024-11-12 17:17:46,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:46,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:46,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1165328962] [2024-11-12 17:17:46,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:46,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:46,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:46,444 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:46,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-12 17:17:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:46,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:17:46,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:17:46,610 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:46,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:46,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954574815] [2024-11-12 17:17:46,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:46,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165328962] [2024-11-12 17:17:46,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165328962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:46,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:46,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:17:46,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718219158] [2024-11-12 17:17:46,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:46,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:17:46,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:46,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:17:46,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:17:46,612 INFO L87 Difference]: Start difference. First operand 306 states and 374 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-12 17:17:47,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:47,171 INFO L93 Difference]: Finished difference Result 316 states and 378 transitions. [2024-11-12 17:17:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:17:47,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 103 [2024-11-12 17:17:47,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:47,172 INFO L225 Difference]: With dead ends: 316 [2024-11-12 17:17:47,172 INFO L226 Difference]: Without dead ends: 315 [2024-11-12 17:17:47,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:17:47,173 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 15 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:47,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 313 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:17:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-12 17:17:47,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 308. [2024-11-12 17:17:47,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 224 states have (on average 1.4732142857142858) internal successors, (330), 282 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 376 transitions. [2024-11-12 17:17:47,182 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 376 transitions. Word has length 103 [2024-11-12 17:17:47,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:47,182 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 376 transitions. [2024-11-12 17:17:47,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-12 17:17:47,183 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 376 transitions. [2024-11-12 17:17:47,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-12 17:17:47,183 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:47,183 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:47,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-12 17:17:47,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:47,384 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:47,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:47,384 INFO L85 PathProgramCache]: Analyzing trace with hash -703401356, now seen corresponding path program 1 times [2024-11-12 17:17:47,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:47,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536813319] [2024-11-12 17:17:47,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:47,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:47,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757629183] [2024-11-12 17:17:47,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:47,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:47,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:47,395 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:47,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-12 17:17:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:47,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:17:47,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-12 17:17:47,612 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:17:47,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:47,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536813319] [2024-11-12 17:17:47,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:47,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757629183] [2024-11-12 17:17:47,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757629183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:47,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:47,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-12 17:17:47,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573616996] [2024-11-12 17:17:47,656 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:17:47,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:17:47,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:47,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:17:47,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:17:47,657 INFO L87 Difference]: Start difference. First operand 308 states and 376 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-12 17:17:47,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:47,990 INFO L93 Difference]: Finished difference Result 311 states and 376 transitions. [2024-11-12 17:17:47,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:17:47,990 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 104 [2024-11-12 17:17:47,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:47,991 INFO L225 Difference]: With dead ends: 311 [2024-11-12 17:17:47,991 INFO L226 Difference]: Without dead ends: 309 [2024-11-12 17:17:47,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:17:47,992 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 198 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:47,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 423 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:17:47,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-12 17:17:48,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 308. [2024-11-12 17:17:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 224 states have (on average 1.4642857142857142) internal successors, (328), 282 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:17:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 374 transitions. [2024-11-12 17:17:48,014 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 374 transitions. Word has length 104 [2024-11-12 17:17:48,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:48,014 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 374 transitions. [2024-11-12 17:17:48,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-12 17:17:48,015 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 374 transitions. [2024-11-12 17:17:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-12 17:17:48,015 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:48,015 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:48,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:48,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:48,216 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:48,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:48,216 INFO L85 PathProgramCache]: Analyzing trace with hash -330605481, now seen corresponding path program 1 times [2024-11-12 17:17:48,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:48,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299161921] [2024-11-12 17:17:48,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:48,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:48,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1936490255] [2024-11-12 17:17:48,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:48,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:48,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:48,229 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:48,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-12 17:17:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:48,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 17:17:48,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:48,489 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:17:48,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:17:48,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:48,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299161921] [2024-11-12 17:17:48,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:48,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936490255] [2024-11-12 17:17:48,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936490255] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:48,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:48,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:17:48,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308716085] [2024-11-12 17:17:48,859 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:17:48,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:17:48,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:48,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:17:48,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:17:48,860 INFO L87 Difference]: Start difference. First operand 308 states and 374 transitions. Second operand has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-12 17:17:49,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:49,299 INFO L93 Difference]: Finished difference Result 358 states and 431 transitions. [2024-11-12 17:17:49,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:17:49,300 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 105 [2024-11-12 17:17:49,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:49,302 INFO L225 Difference]: With dead ends: 358 [2024-11-12 17:17:49,302 INFO L226 Difference]: Without dead ends: 356 [2024-11-12 17:17:49,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:17:49,303 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 286 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:49,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 437 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:17:49,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-12 17:17:49,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2024-11-12 17:17:49,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.406015037593985) internal successors, (374), 324 states have internal predecessors, (374), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 17:17:49,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 428 transitions. [2024-11-12 17:17:49,329 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 428 transitions. Word has length 105 [2024-11-12 17:17:49,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:49,329 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 428 transitions. [2024-11-12 17:17:49,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-12 17:17:49,330 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 428 transitions. [2024-11-12 17:17:49,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-12 17:17:49,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:49,330 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:49,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-12 17:17:49,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:49,531 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:49,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:49,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1506921324, now seen corresponding path program 1 times [2024-11-12 17:17:49,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:49,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907384253] [2024-11-12 17:17:49,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:49,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:49,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:49,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:49,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:49,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:49,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:49,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:49,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 17:17:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:49,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:17:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:49,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:17:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:49,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:17:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:17:49,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:49,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907384253] [2024-11-12 17:17:49,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907384253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:49,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:49,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:17:49,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106239904] [2024-11-12 17:17:49,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:49,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:17:49,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:49,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:17:49,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:17:49,672 INFO L87 Difference]: Start difference. First operand 354 states and 428 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-12 17:17:50,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:50,735 INFO L93 Difference]: Finished difference Result 368 states and 438 transitions. [2024-11-12 17:17:50,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:17:50,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 106 [2024-11-12 17:17:50,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:50,737 INFO L225 Difference]: With dead ends: 368 [2024-11-12 17:17:50,737 INFO L226 Difference]: Without dead ends: 367 [2024-11-12 17:17:50,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:17:50,738 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 13 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:50,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 515 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:17:50,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-12 17:17:50,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 359. [2024-11-12 17:17:50,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 271 states have (on average 1.4059040590405905) internal successors, (381), 329 states have internal predecessors, (381), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 17:17:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 435 transitions. [2024-11-12 17:17:50,762 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 435 transitions. Word has length 106 [2024-11-12 17:17:50,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:50,764 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 435 transitions. [2024-11-12 17:17:50,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-12 17:17:50,765 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 435 transitions. [2024-11-12 17:17:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-12 17:17:50,765 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:50,766 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:50,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-12 17:17:50,766 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:50,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:50,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1658835242, now seen corresponding path program 1 times [2024-11-12 17:17:50,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:50,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381182770] [2024-11-12 17:17:50,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:50,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:50,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:50,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:50,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:50,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:50,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:50,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:50,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 17:17:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:50,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:17:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:50,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:17:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:50,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:17:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:17:50,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:50,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381182770] [2024-11-12 17:17:50,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381182770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:50,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:50,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:17:50,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53016634] [2024-11-12 17:17:50,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:50,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:17:50,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:50,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:17:50,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:17:50,888 INFO L87 Difference]: Start difference. First operand 359 states and 435 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-12 17:17:51,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:51,395 INFO L93 Difference]: Finished difference Result 391 states and 435 transitions. [2024-11-12 17:17:51,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:17:51,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 106 [2024-11-12 17:17:51,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:51,397 INFO L225 Difference]: With dead ends: 391 [2024-11-12 17:17:51,397 INFO L226 Difference]: Without dead ends: 390 [2024-11-12 17:17:51,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:17:51,398 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 134 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:51,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 557 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:17:51,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-12 17:17:51,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 359. [2024-11-12 17:17:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 271 states have (on average 1.3948339483394834) internal successors, (378), 329 states have internal predecessors, (378), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 17:17:51,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 432 transitions. [2024-11-12 17:17:51,410 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 432 transitions. Word has length 106 [2024-11-12 17:17:51,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:51,410 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 432 transitions. [2024-11-12 17:17:51,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-12 17:17:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 432 transitions. [2024-11-12 17:17:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-12 17:17:51,410 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:51,411 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:51,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-12 17:17:51,411 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:51,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:51,411 INFO L85 PathProgramCache]: Analyzing trace with hash 530079392, now seen corresponding path program 1 times [2024-11-12 17:17:51,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:51,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826340460] [2024-11-12 17:17:51,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:51,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:51,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1385033403] [2024-11-12 17:17:51,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:51,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:51,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:51,423 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:51,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-12 17:17:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:51,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:17:51,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:17:51,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:51,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:51,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826340460] [2024-11-12 17:17:51,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:51,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385033403] [2024-11-12 17:17:51,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385033403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:51,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:17:51,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:17:51,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312057313] [2024-11-12 17:17:51,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:51,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:17:51,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:51,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:17:51,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:17:51,684 INFO L87 Difference]: Start difference. First operand 359 states and 432 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-12 17:17:51,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:51,891 INFO L93 Difference]: Finished difference Result 366 states and 435 transitions. [2024-11-12 17:17:51,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:17:51,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 107 [2024-11-12 17:17:51,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:51,892 INFO L225 Difference]: With dead ends: 366 [2024-11-12 17:17:51,892 INFO L226 Difference]: Without dead ends: 365 [2024-11-12 17:17:51,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:17:51,893 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 56 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:51,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 538 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:17:51,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-12 17:17:51,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2024-11-12 17:17:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 273 states have (on average 1.3919413919413919) internal successors, (380), 331 states have internal predecessors, (380), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 17:17:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 434 transitions. [2024-11-12 17:17:51,906 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 434 transitions. Word has length 107 [2024-11-12 17:17:51,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:51,907 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 434 transitions. [2024-11-12 17:17:51,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-12 17:17:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 434 transitions. [2024-11-12 17:17:51,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-12 17:17:51,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:51,907 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:51,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-12 17:17:52,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:52,108 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:52,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:52,108 INFO L85 PathProgramCache]: Analyzing trace with hash 115715129, now seen corresponding path program 1 times [2024-11-12 17:17:52,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:52,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364797982] [2024-11-12 17:17:52,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:52,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:52,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022072688] [2024-11-12 17:17:52,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:52,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:52,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:52,121 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:52,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-12 17:17:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:52,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-12 17:17:52,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:52,419 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-12 17:17:52,420 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:17:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-12 17:17:52,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:52,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364797982] [2024-11-12 17:17:52,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:52,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022072688] [2024-11-12 17:17:52,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022072688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:17:52,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:17:52,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-12 17:17:52,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630694145] [2024-11-12 17:17:52,623 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:17:52,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:17:52,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:52,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:17:52,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:17:52,624 INFO L87 Difference]: Start difference. First operand 361 states and 434 transitions. Second operand has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-12 17:17:53,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:53,813 INFO L93 Difference]: Finished difference Result 366 states and 435 transitions. [2024-11-12 17:17:53,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 17:17:53,814 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) Word has length 107 [2024-11-12 17:17:53,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:53,815 INFO L225 Difference]: With dead ends: 366 [2024-11-12 17:17:53,815 INFO L226 Difference]: Without dead ends: 365 [2024-11-12 17:17:53,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-11-12 17:17:53,815 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 355 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:53,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 647 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:17:53,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-12 17:17:53,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2024-11-12 17:17:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 273 states have (on average 1.380952380952381) internal successors, (377), 331 states have internal predecessors, (377), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 17:17:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 431 transitions. [2024-11-12 17:17:53,844 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 431 transitions. Word has length 107 [2024-11-12 17:17:53,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:53,844 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 431 transitions. [2024-11-12 17:17:53,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-12 17:17:53,844 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 431 transitions. [2024-11-12 17:17:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-12 17:17:53,845 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:53,845 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:53,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:54,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-12 17:17:54,049 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:54,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:54,049 INFO L85 PathProgramCache]: Analyzing trace with hash -999523498, now seen corresponding path program 1 times [2024-11-12 17:17:54,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:54,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338756421] [2024-11-12 17:17:54,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:54,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 17:17:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:17:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:17:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:17:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,161 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-12 17:17:54,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:54,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338756421] [2024-11-12 17:17:54,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338756421] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:54,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095178129] [2024-11-12 17:17:54,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:54,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:54,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:54,163 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:54,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-12 17:17:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:54,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:17:54,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-12 17:17:54,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:17:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-12 17:17:54,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095178129] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:17:54,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:17:54,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-12 17:17:54,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731971334] [2024-11-12 17:17:54,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:17:54,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:17:54,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:54,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:17:54,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:17:54,388 INFO L87 Difference]: Start difference. First operand 361 states and 431 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-12 17:17:55,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:55,136 INFO L93 Difference]: Finished difference Result 754 states and 867 transitions. [2024-11-12 17:17:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:17:55,137 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 110 [2024-11-12 17:17:55,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:55,138 INFO L225 Difference]: With dead ends: 754 [2024-11-12 17:17:55,139 INFO L226 Difference]: Without dead ends: 725 [2024-11-12 17:17:55,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 231 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:17:55,139 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 867 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:55,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 723 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:17:55,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-12 17:17:55,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 517. [2024-11-12 17:17:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 417 states have (on average 1.539568345323741) internal successors, (642), 475 states have internal predecessors, (642), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-12 17:17:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 720 transitions. [2024-11-12 17:17:55,156 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 720 transitions. Word has length 110 [2024-11-12 17:17:55,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:55,156 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 720 transitions. [2024-11-12 17:17:55,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-12 17:17:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 720 transitions. [2024-11-12 17:17:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-12 17:17:55,157 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:55,157 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:55,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-12 17:17:55,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-12 17:17:55,357 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:55,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:55,358 INFO L85 PathProgramCache]: Analyzing trace with hash 202257673, now seen corresponding path program 1 times [2024-11-12 17:17:55,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:55,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530049178] [2024-11-12 17:17:55,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:55,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:17:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:17:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:17:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 17:17:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 17:17:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:17:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 17:17:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:17:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:17:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:17:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-12 17:17:55,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:55,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530049178] [2024-11-12 17:17:55,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530049178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:17:55,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488233770] [2024-11-12 17:17:55,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:55,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:55,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:55,590 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:55,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-12 17:17:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:55,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:17:55,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:17:55,771 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:17:55,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488233770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:17:55,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:17:55,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-12 17:17:55,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867186308] [2024-11-12 17:17:55,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:17:55,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:17:55,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:55,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:17:55,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:17:55,773 INFO L87 Difference]: Start difference. First operand 517 states and 720 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-12 17:17:57,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:17:57,717 INFO L93 Difference]: Finished difference Result 979 states and 1303 transitions. [2024-11-12 17:17:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:17:57,717 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 113 [2024-11-12 17:17:57,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:17:57,720 INFO L225 Difference]: With dead ends: 979 [2024-11-12 17:17:57,720 INFO L226 Difference]: Without dead ends: 978 [2024-11-12 17:17:57,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-12 17:17:57,720 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 726 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:17:57,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 898 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-12 17:17:57,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-11-12 17:17:57,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 717. [2024-11-12 17:17:57,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 601 states have (on average 1.6289517470881865) internal successors, (979), 659 states have internal predecessors, (979), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-12 17:17:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1089 transitions. [2024-11-12 17:17:57,744 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1089 transitions. Word has length 113 [2024-11-12 17:17:57,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:17:57,744 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 1089 transitions. [2024-11-12 17:17:57,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-12 17:17:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1089 transitions. [2024-11-12 17:17:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-12 17:17:57,745 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:17:57,745 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:17:57,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-12 17:17:57,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-12 17:17:57,949 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:17:57,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:17:57,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1975020646, now seen corresponding path program 1 times [2024-11-12 17:17:57,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:17:57,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265257543] [2024-11-12 17:17:57,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:57,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:17:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:17:57,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [23479115] [2024-11-12 17:17:57,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:17:57,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:17:57,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:17:57,964 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:17:57,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-12 17:17:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:17:58,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:17:58,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:17:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:17:58,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:17:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:17:58,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:17:58,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265257543] [2024-11-12 17:17:58,209 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:17:58,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23479115] [2024-11-12 17:17:58,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23479115] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:17:58,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:17:58,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-12 17:17:58,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171279829] [2024-11-12 17:17:58,210 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:17:58,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:17:58,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:17:58,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:17:58,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:17:58,211 INFO L87 Difference]: Start difference. First operand 717 states and 1089 transitions. Second operand has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-12 17:18:01,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-12 17:18:05,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-12 17:18:06,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:06,337 INFO L93 Difference]: Finished difference Result 1128 states and 1681 transitions. [2024-11-12 17:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:18:06,337 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 114 [2024-11-12 17:18:06,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:06,340 INFO L225 Difference]: With dead ends: 1128 [2024-11-12 17:18:06,340 INFO L226 Difference]: Without dead ends: 1127 [2024-11-12 17:18:06,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:18:06,341 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 585 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 31 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:06,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 687 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 705 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2024-11-12 17:18:06,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2024-11-12 17:18:06,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 876. [2024-11-12 17:18:06,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 748 states have (on average 1.6537433155080214) internal successors, (1237), 806 states have internal predecessors, (1237), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-12 17:18:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1371 transitions. [2024-11-12 17:18:06,370 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1371 transitions. Word has length 114 [2024-11-12 17:18:06,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:06,370 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1371 transitions. [2024-11-12 17:18:06,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-12 17:18:06,370 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1371 transitions. [2024-11-12 17:18:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-12 17:18:06,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:06,371 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:06,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-12 17:18:06,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-12 17:18:06,572 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:18:06,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:06,572 INFO L85 PathProgramCache]: Analyzing trace with hash 819993899, now seen corresponding path program 1 times [2024-11-12 17:18:06,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:06,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121806163] [2024-11-12 17:18:06,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:06,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:06,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063820706] [2024-11-12 17:18:06,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:06,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:06,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:06,584 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:18:06,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-12 17:18:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:06,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-12 17:18:06,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-12 17:18:07,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:07,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:07,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121806163] [2024-11-12 17:18:07,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:07,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063820706] [2024-11-12 17:18:07,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063820706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:07,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:07,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 17:18:07,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058022803] [2024-11-12 17:18:07,375 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:07,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:18:07,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:07,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:18:07,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:18:07,376 INFO L87 Difference]: Start difference. First operand 876 states and 1371 transitions. Second operand has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-12 17:18:08,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:08,503 INFO L93 Difference]: Finished difference Result 963 states and 1479 transitions. [2024-11-12 17:18:08,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 17:18:08,503 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 120 [2024-11-12 17:18:08,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:08,506 INFO L225 Difference]: With dead ends: 963 [2024-11-12 17:18:08,506 INFO L226 Difference]: Without dead ends: 960 [2024-11-12 17:18:08,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-12 17:18:08,506 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 486 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:08,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 472 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:18:08,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-12 17:18:08,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 926. [2024-11-12 17:18:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 794 states have (on average 1.6574307304785894) internal successors, (1316), 852 states have internal predecessors, (1316), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-12 17:18:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1458 transitions. [2024-11-12 17:18:08,537 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1458 transitions. Word has length 120 [2024-11-12 17:18:08,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:08,538 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1458 transitions. [2024-11-12 17:18:08,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-12 17:18:08,539 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1458 transitions. [2024-11-12 17:18:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-12 17:18:08,539 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:08,539 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:08,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:08,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-12 17:18:08,743 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:18:08,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:08,744 INFO L85 PathProgramCache]: Analyzing trace with hash -349992823, now seen corresponding path program 1 times [2024-11-12 17:18:08,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:08,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888161612] [2024-11-12 17:18:08,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:08,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:08,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1557891857] [2024-11-12 17:18:08,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:08,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:08,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:08,756 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:18:08,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-12 17:18:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:08,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-12 17:18:08,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-12 17:18:09,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:10,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:10,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888161612] [2024-11-12 17:18:10,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:10,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557891857] [2024-11-12 17:18:10,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557891857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:10,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:10,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 17:18:10,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717624995] [2024-11-12 17:18:10,240 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:10,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:18:10,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:10,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:18:10,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:18:10,240 INFO L87 Difference]: Start difference. First operand 926 states and 1458 transitions. Second operand has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-12 17:18:11,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:11,606 INFO L93 Difference]: Finished difference Result 961 states and 1474 transitions. [2024-11-12 17:18:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 17:18:11,609 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 121 [2024-11-12 17:18:11,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:11,612 INFO L225 Difference]: With dead ends: 961 [2024-11-12 17:18:11,612 INFO L226 Difference]: Without dead ends: 960 [2024-11-12 17:18:11,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-12 17:18:11,615 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 634 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:11,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 392 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 17:18:11,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-12 17:18:11,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 926. [2024-11-12 17:18:11,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 794 states have (on average 1.654911838790932) internal successors, (1314), 852 states have internal predecessors, (1314), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-12 17:18:11,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1456 transitions. [2024-11-12 17:18:11,684 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1456 transitions. Word has length 121 [2024-11-12 17:18:11,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:11,688 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1456 transitions. [2024-11-12 17:18:11,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-12 17:18:11,688 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1456 transitions. [2024-11-12 17:18:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-12 17:18:11,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:11,689 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:11,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:11,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:11,890 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:18:11,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:11,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2035124461, now seen corresponding path program 1 times [2024-11-12 17:18:11,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:11,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815231899] [2024-11-12 17:18:11,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:11,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:11,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193610952] [2024-11-12 17:18:11,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:11,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:11,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:11,917 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:18:11,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-12 17:18:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:11,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 17:18:11,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-12 17:18:12,253 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:12,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:12,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815231899] [2024-11-12 17:18:12,314 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:12,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193610952] [2024-11-12 17:18:12,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193610952] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:12,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:12,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-12 17:18:12,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671913488] [2024-11-12 17:18:12,314 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:12,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:18:12,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:12,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:18:12,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:18:12,315 INFO L87 Difference]: Start difference. First operand 926 states and 1456 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-12 17:18:12,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:12,673 INFO L93 Difference]: Finished difference Result 1070 states and 1662 transitions. [2024-11-12 17:18:12,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:18:12,673 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 122 [2024-11-12 17:18:12,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:12,676 INFO L225 Difference]: With dead ends: 1070 [2024-11-12 17:18:12,677 INFO L226 Difference]: Without dead ends: 1068 [2024-11-12 17:18:12,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:18:12,677 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 227 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:12,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 470 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:18:12,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-12 17:18:12,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1029. [2024-11-12 17:18:12,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 888 states have (on average 1.6711711711711712) internal successors, (1484), 946 states have internal predecessors, (1484), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-12 17:18:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1644 transitions. [2024-11-12 17:18:12,717 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1644 transitions. Word has length 122 [2024-11-12 17:18:12,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:12,717 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1644 transitions. [2024-11-12 17:18:12,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-12 17:18:12,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1644 transitions. [2024-11-12 17:18:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-12 17:18:12,718 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:12,718 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:12,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:12,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:12,923 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:18:12,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:12,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1335651061, now seen corresponding path program 1 times [2024-11-12 17:18:12,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:12,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805148577] [2024-11-12 17:18:12,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:12,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:12,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [573368394] [2024-11-12 17:18:12,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:12,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:12,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:12,940 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:18:12,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-12 17:18:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:12,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 17:18:12,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-12 17:18:13,262 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:13,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:13,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805148577] [2024-11-12 17:18:13,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:13,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573368394] [2024-11-12 17:18:13,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573368394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:13,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:13,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-12 17:18:13,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930943543] [2024-11-12 17:18:13,633 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:13,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:18:13,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:13,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:18:13,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:18:13,634 INFO L87 Difference]: Start difference. First operand 1029 states and 1644 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-12 17:18:14,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:14,097 INFO L93 Difference]: Finished difference Result 1070 states and 1657 transitions. [2024-11-12 17:18:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:18:14,098 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 123 [2024-11-12 17:18:14,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:14,100 INFO L225 Difference]: With dead ends: 1070 [2024-11-12 17:18:14,100 INFO L226 Difference]: Without dead ends: 1068 [2024-11-12 17:18:14,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:18:14,101 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 366 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:14,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 532 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:18:14,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-12 17:18:14,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1030. [2024-11-12 17:18:14,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 889 states have (on average 1.6659167604049494) internal successors, (1481), 947 states have internal predecessors, (1481), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-12 17:18:14,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1641 transitions. [2024-11-12 17:18:14,148 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1641 transitions. Word has length 123 [2024-11-12 17:18:14,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:14,148 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1641 transitions. [2024-11-12 17:18:14,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-12 17:18:14,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1641 transitions. [2024-11-12 17:18:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-12 17:18:14,148 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:14,149 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:14,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:14,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:14,349 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:18:14,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:14,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1544490159, now seen corresponding path program 1 times [2024-11-12 17:18:14,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:14,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547852120] [2024-11-12 17:18:14,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:14,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:14,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1513856966] [2024-11-12 17:18:14,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:14,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:14,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:14,365 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:18:14,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-12 17:18:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:14,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 17:18:14,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:14,850 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-12 17:18:14,851 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:15,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:15,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547852120] [2024-11-12 17:18:15,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:15,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513856966] [2024-11-12 17:18:15,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513856966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:15,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:15,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 17:18:15,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483135233] [2024-11-12 17:18:15,127 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:15,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:18:15,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:15,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:18:15,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:18:15,128 INFO L87 Difference]: Start difference. First operand 1030 states and 1641 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-12 17:18:16,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:16,513 INFO L93 Difference]: Finished difference Result 1057 states and 1657 transitions. [2024-11-12 17:18:16,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 17:18:16,514 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 124 [2024-11-12 17:18:16,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:16,516 INFO L225 Difference]: With dead ends: 1057 [2024-11-12 17:18:16,517 INFO L226 Difference]: Without dead ends: 1056 [2024-11-12 17:18:16,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:18:16,517 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 412 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:16,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 477 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 17:18:16,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-12 17:18:16,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1030. [2024-11-12 17:18:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 889 states have (on average 1.6636670416197976) internal successors, (1479), 947 states have internal predecessors, (1479), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-12 17:18:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1639 transitions. [2024-11-12 17:18:16,553 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1639 transitions. Word has length 124 [2024-11-12 17:18:16,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:16,553 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1639 transitions. [2024-11-12 17:18:16,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-12 17:18:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1639 transitions. [2024-11-12 17:18:16,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-12 17:18:16,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:16,554 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:16,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-12 17:18:16,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-12 17:18:16,757 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:18:16,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:16,758 INFO L85 PathProgramCache]: Analyzing trace with hash 634554765, now seen corresponding path program 1 times [2024-11-12 17:18:16,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:16,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728261656] [2024-11-12 17:18:16,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:16,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:16,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364042726] [2024-11-12 17:18:16,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:16,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:16,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:16,769 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:18:16,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-12 17:18:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:16,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:18:16,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-12 17:18:17,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:21,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:21,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728261656] [2024-11-12 17:18:21,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:21,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364042726] [2024-11-12 17:18:21,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364042726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:21,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:21,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:18:21,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304794313] [2024-11-12 17:18:21,449 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:21,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:18:21,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:21,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:18:21,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=79, Unknown=1, NotChecked=0, Total=110 [2024-11-12 17:18:21,450 INFO L87 Difference]: Start difference. First operand 1030 states and 1639 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-12 17:18:22,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:22,448 INFO L93 Difference]: Finished difference Result 1071 states and 1650 transitions. [2024-11-12 17:18:22,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:18:22,449 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 125 [2024-11-12 17:18:22,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:22,452 INFO L225 Difference]: With dead ends: 1071 [2024-11-12 17:18:22,452 INFO L226 Difference]: Without dead ends: 1067 [2024-11-12 17:18:22,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=37, Invalid=94, Unknown=1, NotChecked=0, Total=132 [2024-11-12 17:18:22,452 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 312 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:22,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 551 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:18:22,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-11-12 17:18:22,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1033. [2024-11-12 17:18:22,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 892 states have (on average 1.6580717488789238) internal successors, (1479), 950 states have internal predecessors, (1479), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-12 17:18:22,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1639 transitions. [2024-11-12 17:18:22,497 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1639 transitions. Word has length 125 [2024-11-12 17:18:22,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:22,497 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1639 transitions. [2024-11-12 17:18:22,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-12 17:18:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1639 transitions. [2024-11-12 17:18:22,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-12 17:18:22,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:22,498 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:22,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-12 17:18:22,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-12 17:18:22,699 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:18:22,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:22,700 INFO L85 PathProgramCache]: Analyzing trace with hash 212677275, now seen corresponding path program 1 times [2024-11-12 17:18:22,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:22,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995480728] [2024-11-12 17:18:22,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:22,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:22,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139799660] [2024-11-12 17:18:22,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:22,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:22,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:22,729 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:18:22,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-12 17:18:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:22,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-12 17:18:22,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-12 17:18:23,313 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:31,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:31,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995480728] [2024-11-12 17:18:31,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:31,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139799660] [2024-11-12 17:18:31,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139799660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:31,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:31,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-12 17:18:31,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936887470] [2024-11-12 17:18:31,502 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:31,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:18:31,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:31,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:18:31,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=166, Unknown=2, NotChecked=0, Total=210 [2024-11-12 17:18:31,503 INFO L87 Difference]: Start difference. First operand 1033 states and 1639 transitions. Second operand has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-12 17:18:32,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:32,302 INFO L93 Difference]: Finished difference Result 1057 states and 1655 transitions. [2024-11-12 17:18:32,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:18:32,302 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 131 [2024-11-12 17:18:32,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:32,305 INFO L225 Difference]: With dead ends: 1057 [2024-11-12 17:18:32,305 INFO L226 Difference]: Without dead ends: 1055 [2024-11-12 17:18:32,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=85, Invalid=293, Unknown=2, NotChecked=0, Total=380 [2024-11-12 17:18:32,306 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 404 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:32,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 494 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:18:32,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-11-12 17:18:32,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1033. [2024-11-12 17:18:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 892 states have (on average 1.6535874439461884) internal successors, (1475), 950 states have internal predecessors, (1475), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-12 17:18:32,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1635 transitions. [2024-11-12 17:18:32,356 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1635 transitions. Word has length 131 [2024-11-12 17:18:32,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:32,357 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1635 transitions. [2024-11-12 17:18:32,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-12 17:18:32,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1635 transitions. [2024-11-12 17:18:32,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-12 17:18:32,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:32,358 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:32,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:32,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-12 17:18:32,563 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:18:32,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:32,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1996938970, now seen corresponding path program 1 times [2024-11-12 17:18:32,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:32,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698977548] [2024-11-12 17:18:32,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:32,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:32,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111609731] [2024-11-12 17:18:32,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:32,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:32,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:32,577 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:18:32,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-12 17:18:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:32,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 17:18:32,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-12 17:18:32,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:40,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:40,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698977548] [2024-11-12 17:18:40,263 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:40,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111609731] [2024-11-12 17:18:40,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111609731] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:40,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:40,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:18:40,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941094297] [2024-11-12 17:18:40,263 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:40,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:18:40,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:40,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:18:40,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=95, Unknown=1, NotChecked=0, Total=132 [2024-11-12 17:18:40,264 INFO L87 Difference]: Start difference. First operand 1033 states and 1635 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-12 17:18:40,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:40,601 INFO L93 Difference]: Finished difference Result 1082 states and 1667 transitions. [2024-11-12 17:18:40,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:18:40,601 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 132 [2024-11-12 17:18:40,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:40,604 INFO L225 Difference]: With dead ends: 1082 [2024-11-12 17:18:40,604 INFO L226 Difference]: Without dead ends: 1079 [2024-11-12 17:18:40,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=46, Invalid=109, Unknown=1, NotChecked=0, Total=156 [2024-11-12 17:18:40,605 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 265 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:40,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 438 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:18:40,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2024-11-12 17:18:40,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1033. [2024-11-12 17:18:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 892 states have (on average 1.6434977578475336) internal successors, (1466), 950 states have internal predecessors, (1466), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-12 17:18:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1626 transitions. [2024-11-12 17:18:40,663 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1626 transitions. Word has length 132 [2024-11-12 17:18:40,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:40,664 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1626 transitions. [2024-11-12 17:18:40,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-12 17:18:40,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1626 transitions. [2024-11-12 17:18:40,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-12 17:18:40,664 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:40,664 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:40,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:40,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-12 17:18:40,868 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-12 17:18:40,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:40,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1775565827, now seen corresponding path program 1 times [2024-11-12 17:18:40,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:40,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142799398] [2024-11-12 17:18:40,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:40,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:40,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564532641] [2024-11-12 17:18:40,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:40,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:40,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:40,896 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:18:40,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-12 17:18:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:40,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-12 17:18:41,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-12 17:18:41,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:46,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:46,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142799398] [2024-11-12 17:18:46,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:46,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564532641] [2024-11-12 17:18:46,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564532641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:46,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:46,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-12 17:18:46,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533963424] [2024-11-12 17:18:46,029 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:46,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:18:46,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:46,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:18:46,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2024-11-12 17:18:46,031 INFO L87 Difference]: Start difference. First operand 1033 states and 1626 transitions. Second operand has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-12 17:18:47,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:47,566 INFO L93 Difference]: Finished difference Result 1065 states and 1656 transitions. [2024-11-12 17:18:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:18:47,567 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 133 [2024-11-12 17:18:47,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:47,569 INFO L225 Difference]: With dead ends: 1065 [2024-11-12 17:18:47,569 INFO L226 Difference]: Without dead ends: 1063 [2024-11-12 17:18:47,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2024-11-12 17:18:47,570 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 453 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 1587 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:47,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 432 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1587 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 17:18:47,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-11-12 17:18:47,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1033. [2024-11-12 17:18:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 892 states have (on average 1.6390134529147982) internal successors, (1462), 950 states have internal predecessors, (1462), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-12 17:18:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1622 transitions. [2024-11-12 17:18:47,615 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1622 transitions. Word has length 133 [2024-11-12 17:18:47,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:47,615 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1622 transitions. [2024-11-12 17:18:47,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-12 17:18:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1622 transitions. [2024-11-12 17:18:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-12 17:18:47,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:47,615 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:47,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0