./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/mannadiv.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/mannadiv.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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:07:11,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:07:11,224 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:07:11,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:07:11,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:07:11,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:07:11,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:07:11,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:07:11,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:07:11,264 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:07:11,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:07:11,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:07:11,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:07:11,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:07:11,268 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:07:11,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:07:11,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:07:11,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:07:11,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:07:11,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:07:11,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:07:11,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:07:11,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:07:11,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:07:11,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:07:11,271 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:07:11,272 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:07:11,272 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:07:11,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:07:11,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:07:11,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:07:11,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:07:11,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:07:11,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:07:11,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:07:11,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:07:11,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:07:11,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:07:11,275 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:07:11,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:07:11,275 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:07:11,276 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:07:11,276 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:07:11,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:07:11,276 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2024-11-12 17:07:11,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:07:11,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:07:11,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:07:11,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:07:11,554 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:07:11,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/mannadiv.c [2024-11-12 17:07:12,979 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:07:13,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:07:13,155 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/mannadiv.c [2024-11-12 17:07:13,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af47c862/ece39acde6ed43cd854413cf8d1b6a35/FLAG2f5bbdd88 [2024-11-12 17:07:13,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af47c862/ece39acde6ed43cd854413cf8d1b6a35 [2024-11-12 17:07:13,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:07:13,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:07:13,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:07:13,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:07:13,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:07:13,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55553d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13, skipping insertion in model container [2024-11-12 17:07:13,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:07:13,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:07:13,408 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:07:13,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:07:13,443 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:07:13,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13 WrapperNode [2024-11-12 17:07:13,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:07:13,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:07:13,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:07:13,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:07:13,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,480 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-11-12 17:07:13,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:07:13,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:07:13,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:07:13,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:07:13,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,534 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 17:07:13,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:07:13,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:07:13,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:07:13,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:07:13,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (1/1) ... [2024-11-12 17:07:13,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:07:13,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:13,597 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 17:07:13,600 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 17:07:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:07:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 17:07:13,660 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 17:07:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:07:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:07:13,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:07:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:07:13,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:07:13,722 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:07:13,726 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:07:13,905 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-12 17:07:13,905 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:07:13,918 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:07:13,918 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 17:07:13,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:07:13 BoogieIcfgContainer [2024-11-12 17:07:13,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:07:13,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:07:13,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:07:13,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:07:13,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:07:13" (1/3) ... [2024-11-12 17:07:13,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228a9074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:07:13, skipping insertion in model container [2024-11-12 17:07:13,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13" (2/3) ... [2024-11-12 17:07:13,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228a9074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:07:13, skipping insertion in model container [2024-11-12 17:07:13,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:07:13" (3/3) ... [2024-11-12 17:07:13,930 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv.c [2024-11-12 17:07:13,947 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:07:13,948 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-11-12 17:07:13,999 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:07:14,006 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;@78426372, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:07:14,007 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-12 17:07:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 57 states have internal predecessors, (63), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:07:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-12 17:07:14,019 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:14,019 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:14,020 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:14,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:14,024 INFO L85 PathProgramCache]: Analyzing trace with hash 848903376, now seen corresponding path program 1 times [2024-11-12 17:07:14,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:14,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553107992] [2024-11-12 17:07:14,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:14,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:14,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:14,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:14,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:14,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:14,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553107992] [2024-11-12 17:07:14,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553107992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:07:14,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:07:14,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:07:14,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434413116] [2024-11-12 17:07:14,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:07:14,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:07:14,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:14,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:07:14,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:07:14,251 INFO L87 Difference]: Start difference. First operand has 64 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 57 states have internal predecessors, (63), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:14,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:14,268 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2024-11-12 17:07:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:07:14,270 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-12 17:07:14,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:14,275 INFO L225 Difference]: With dead ends: 124 [2024-11-12 17:07:14,275 INFO L226 Difference]: Without dead ends: 57 [2024-11-12 17:07:14,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 17:07:14,281 INFO L435 NwaCegarLoop]: 66 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, 66 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 17:07:14,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:07:14,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-12 17:07:14,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-12 17:07:14,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.65625) internal successors, (53), 51 states have internal predecessors, (53), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:07:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2024-11-12 17:07:14,317 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 15 [2024-11-12 17:07:14,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:14,319 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2024-11-12 17:07:14,319 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:14,319 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2024-11-12 17:07:14,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-12 17:07:14,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:14,320 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:14,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:07:14,321 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:14,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:14,322 INFO L85 PathProgramCache]: Analyzing trace with hash 848903391, now seen corresponding path program 1 times [2024-11-12 17:07:14,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:14,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229091073] [2024-11-12 17:07:14,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:14,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:14,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [245637153] [2024-11-12 17:07:14,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:14,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:14,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:14,357 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 17:07:14,358 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 17:07:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:14,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:07:14,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:14,488 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:07:14,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:14,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229091073] [2024-11-12 17:07:14,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:14,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245637153] [2024-11-12 17:07:14,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245637153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:07:14,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:07:14,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:07:14,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444742527] [2024-11-12 17:07:14,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:07:14,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:07:14,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:14,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:07:14,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:07:14,495 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:14,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:14,587 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2024-11-12 17:07:14,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:07:14,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-12 17:07:14,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:14,589 INFO L225 Difference]: With dead ends: 91 [2024-11-12 17:07:14,589 INFO L226 Difference]: Without dead ends: 85 [2024-11-12 17:07:14,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 17:07:14,591 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 26 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:14,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 76 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:14,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-12 17:07:14,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 77. [2024-11-12 17:07:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 70 states have internal predecessors, (84), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:07:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 92 transitions. [2024-11-12 17:07:14,606 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 92 transitions. Word has length 15 [2024-11-12 17:07:14,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:14,607 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 92 transitions. [2024-11-12 17:07:14,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2024-11-12 17:07:14,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 17:07:14,609 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:14,609 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:14,627 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 17:07:14,814 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 17:07:14,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:14,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:14,815 INFO L85 PathProgramCache]: Analyzing trace with hash -247625951, now seen corresponding path program 1 times [2024-11-12 17:07:14,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:14,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898881212] [2024-11-12 17:07:14,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:14,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:14,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:14,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:14,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:14,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:14,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898881212] [2024-11-12 17:07:14,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898881212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:07:14,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:07:14,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:07:14,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768264074] [2024-11-12 17:07:14,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:07:14,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:07:14,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:14,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:07:14,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:07:14,955 INFO L87 Difference]: Start difference. First operand 77 states and 92 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:15,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:15,201 INFO L93 Difference]: Finished difference Result 121 states and 153 transitions. [2024-11-12 17:07:15,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:07:15,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-11-12 17:07:15,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:15,203 INFO L225 Difference]: With dead ends: 121 [2024-11-12 17:07:15,203 INFO L226 Difference]: Without dead ends: 114 [2024-11-12 17:07:15,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 17:07:15,206 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 21 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:15,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 94 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:07:15,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-12 17:07:15,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110. [2024-11-12 17:07:15,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 82 states have (on average 1.5609756097560976) internal successors, (128), 101 states have internal predecessors, (128), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:07:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 140 transitions. [2024-11-12 17:07:15,220 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 140 transitions. Word has length 17 [2024-11-12 17:07:15,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:15,221 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 140 transitions. [2024-11-12 17:07:15,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:15,221 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 140 transitions. [2024-11-12 17:07:15,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-12 17:07:15,222 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:15,222 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:15,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 17:07:15,222 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:15,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:15,223 INFO L85 PathProgramCache]: Analyzing trace with hash 913530163, now seen corresponding path program 1 times [2024-11-12 17:07:15,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:15,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947971780] [2024-11-12 17:07:15,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:15,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:15,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:15,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:15,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:15,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947971780] [2024-11-12 17:07:15,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947971780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:07:15,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:07:15,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:07:15,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144524949] [2024-11-12 17:07:15,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:07:15,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:07:15,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:15,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:07:15,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:07:15,373 INFO L87 Difference]: Start difference. First operand 110 states and 140 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:15,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:15,507 INFO L93 Difference]: Finished difference Result 116 states and 141 transitions. [2024-11-12 17:07:15,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:07:15,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-12 17:07:15,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:15,509 INFO L225 Difference]: With dead ends: 116 [2024-11-12 17:07:15,509 INFO L226 Difference]: Without dead ends: 107 [2024-11-12 17:07:15,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 17:07:15,511 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 32 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:15,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 78 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:15,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-12 17:07:15,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2024-11-12 17:07:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 96 states have internal predecessors, (118), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:07:15,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 130 transitions. [2024-11-12 17:07:15,522 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 130 transitions. Word has length 18 [2024-11-12 17:07:15,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:15,522 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 130 transitions. [2024-11-12 17:07:15,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:15,523 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 130 transitions. [2024-11-12 17:07:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 17:07:15,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:15,523 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:15,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 17:07:15,524 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:15,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:15,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1745335965, now seen corresponding path program 1 times [2024-11-12 17:07:15,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:15,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494769452] [2024-11-12 17:07:15,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:15,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:15,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:15,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:15,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:07:15,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:15,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494769452] [2024-11-12 17:07:15,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494769452] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:15,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047768112] [2024-11-12 17:07:15,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:15,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:15,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:15,746 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 17:07:15,747 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 17:07:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:15,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:07:15,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:15,902 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:07:15,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047768112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:07:15,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:07:15,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-12 17:07:15,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374809965] [2024-11-12 17:07:15,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:07:15,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:07:15,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:15,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:07:15,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:07:15,905 INFO L87 Difference]: Start difference. First operand 105 states and 130 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:16,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:16,039 INFO L93 Difference]: Finished difference Result 108 states and 134 transitions. [2024-11-12 17:07:16,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:07:16,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-12 17:07:16,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:16,043 INFO L225 Difference]: With dead ends: 108 [2024-11-12 17:07:16,043 INFO L226 Difference]: Without dead ends: 107 [2024-11-12 17:07:16,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:07:16,044 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 72 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:16,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 64 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:16,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-12 17:07:16,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2024-11-12 17:07:16,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5194805194805194) internal successors, (117), 96 states have internal predecessors, (117), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:07:16,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 129 transitions. [2024-11-12 17:07:16,055 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 129 transitions. Word has length 19 [2024-11-12 17:07:16,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:16,055 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 129 transitions. [2024-11-12 17:07:16,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 129 transitions. [2024-11-12 17:07:16,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-12 17:07:16,056 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:16,056 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:16,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 17:07:16,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:16,257 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:16,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:16,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1729159989, now seen corresponding path program 1 times [2024-11-12 17:07:16,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:16,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415444906] [2024-11-12 17:07:16,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:16,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:16,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2065475129] [2024-11-12 17:07:16,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:16,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:16,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:16,273 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 17:07:16,275 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 17:07:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:16,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:07:16,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:16,389 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:07:16,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:16,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415444906] [2024-11-12 17:07:16,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:16,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065475129] [2024-11-12 17:07:16,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065475129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:07:16,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:07:16,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:07:16,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956269703] [2024-11-12 17:07:16,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:07:16,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:07:16,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:16,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:07:16,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:07:16,392 INFO L87 Difference]: Start difference. First operand 105 states and 129 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:16,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:16,472 INFO L93 Difference]: Finished difference Result 106 states and 129 transitions. [2024-11-12 17:07:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:07:16,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-12 17:07:16,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:16,474 INFO L225 Difference]: With dead ends: 106 [2024-11-12 17:07:16,474 INFO L226 Difference]: Without dead ends: 105 [2024-11-12 17:07:16,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 17:07:16,475 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 65 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:16,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 69 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:16,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-12 17:07:16,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-12 17:07:16,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 96 states have internal predecessors, (116), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:07:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 128 transitions. [2024-11-12 17:07:16,489 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 128 transitions. Word has length 20 [2024-11-12 17:07:16,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:16,489 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 128 transitions. [2024-11-12 17:07:16,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:07:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2024-11-12 17:07:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-12 17:07:16,493 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:16,493 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:16,509 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 17:07:16,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:16,694 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:16,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:16,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1247141175, now seen corresponding path program 1 times [2024-11-12 17:07:16,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:16,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994610765] [2024-11-12 17:07:16,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:16,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:16,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:16,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:16,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:07:16,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:16,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994610765] [2024-11-12 17:07:16,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994610765] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:16,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168457473] [2024-11-12 17:07:16,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:16,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:16,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:16,836 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 17:07:16,837 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 17:07:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:16,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:07:16,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:07:16,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:17,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:07:17,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168457473] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:17,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:17,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-12 17:07:17,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980602318] [2024-11-12 17:07:17,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:17,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:07:17,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:17,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:07:17,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:07:17,025 INFO L87 Difference]: Start difference. First operand 105 states and 128 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:07:17,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:17,139 INFO L93 Difference]: Finished difference Result 158 states and 195 transitions. [2024-11-12 17:07:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:07:17,140 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 32 [2024-11-12 17:07:17,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:17,141 INFO L225 Difference]: With dead ends: 158 [2024-11-12 17:07:17,141 INFO L226 Difference]: Without dead ends: 156 [2024-11-12 17:07:17,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:07:17,142 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 216 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:17,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 210 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:17,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-12 17:07:17,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 146. [2024-11-12 17:07:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 116 states have (on average 1.5) internal successors, (174), 135 states have internal predecessors, (174), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:07:17,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 190 transitions. [2024-11-12 17:07:17,157 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 190 transitions. Word has length 32 [2024-11-12 17:07:17,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:17,157 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 190 transitions. [2024-11-12 17:07:17,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:07:17,158 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 190 transitions. [2024-11-12 17:07:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-12 17:07:17,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:17,159 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:17,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:07:17,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:17,359 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:17,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:17,360 INFO L85 PathProgramCache]: Analyzing trace with hash -6670674, now seen corresponding path program 1 times [2024-11-12 17:07:17,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:17,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48785708] [2024-11-12 17:07:17,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:17,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:17,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:17,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:17,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:17,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:17,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48785708] [2024-11-12 17:07:17,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48785708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:07:17,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:07:17,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:07:17,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632394352] [2024-11-12 17:07:17,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:07:17,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:07:17,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:17,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:07:17,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:07:17,438 INFO L87 Difference]: Start difference. First operand 146 states and 190 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:17,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:17,471 INFO L93 Difference]: Finished difference Result 146 states and 190 transitions. [2024-11-12 17:07:17,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:07:17,471 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-11-12 17:07:17,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:17,472 INFO L225 Difference]: With dead ends: 146 [2024-11-12 17:07:17,472 INFO L226 Difference]: Without dead ends: 144 [2024-11-12 17:07:17,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 17:07:17,473 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 57 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:17,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 73 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:07:17,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-12 17:07:17,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-12 17:07:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 116 states have (on average 1.456896551724138) internal successors, (169), 133 states have internal predecessors, (169), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:07:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 185 transitions. [2024-11-12 17:07:17,492 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 185 transitions. Word has length 33 [2024-11-12 17:07:17,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:17,492 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 185 transitions. [2024-11-12 17:07:17,492 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:17,493 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 185 transitions. [2024-11-12 17:07:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-12 17:07:17,494 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:17,494 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:17,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 17:07:17,495 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:17,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:17,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1598481830, now seen corresponding path program 1 times [2024-11-12 17:07:17,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:17,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733567084] [2024-11-12 17:07:17,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:17,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:17,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1714791980] [2024-11-12 17:07:17,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:17,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:17,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:17,513 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 17:07:17,515 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 17:07:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:17,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:07:17,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:17,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:17,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:17,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733567084] [2024-11-12 17:07:17,841 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:17,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714791980] [2024-11-12 17:07:17,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714791980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:17,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:07:17,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-12 17:07:17,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946197277] [2024-11-12 17:07:17,841 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:17,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:07:17,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:17,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:07:17,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:07:17,843 INFO L87 Difference]: Start difference. First operand 144 states and 185 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:17,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:17,948 INFO L93 Difference]: Finished difference Result 151 states and 188 transitions. [2024-11-12 17:07:17,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:07:17,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-11-12 17:07:17,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:17,950 INFO L225 Difference]: With dead ends: 151 [2024-11-12 17:07:17,950 INFO L226 Difference]: Without dead ends: 144 [2024-11-12 17:07:17,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:07:17,951 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 72 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:17,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 49 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:17,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-12 17:07:17,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2024-11-12 17:07:17,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 117 states have (on average 1.3418803418803418) internal successors, (157), 129 states have internal predecessors, (157), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:07:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 173 transitions. [2024-11-12 17:07:17,967 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 173 transitions. Word has length 35 [2024-11-12 17:07:17,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:17,968 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 173 transitions. [2024-11-12 17:07:17,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:17,969 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 173 transitions. [2024-11-12 17:07:17,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-12 17:07:17,970 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:17,970 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:17,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-12 17:07:18,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:18,171 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:18,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:18,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1986670774, now seen corresponding path program 1 times [2024-11-12 17:07:18,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:18,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885385180] [2024-11-12 17:07:18,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:18,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:18,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121431381] [2024-11-12 17:07:18,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:18,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:18,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:18,188 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 17:07:18,190 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 17:07:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:18,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:07:18,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:18,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:18,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:18,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885385180] [2024-11-12 17:07:18,730 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:18,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121431381] [2024-11-12 17:07:18,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121431381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:18,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:07:18,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-12 17:07:18,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308409476] [2024-11-12 17:07:18,731 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:18,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:07:18,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:18,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:07:18,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:07:18,732 INFO L87 Difference]: Start difference. First operand 140 states and 173 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:18,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:18,883 INFO L93 Difference]: Finished difference Result 188 states and 231 transitions. [2024-11-12 17:07:18,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:07:18,883 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2024-11-12 17:07:18,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:18,884 INFO L225 Difference]: With dead ends: 188 [2024-11-12 17:07:18,885 INFO L226 Difference]: Without dead ends: 185 [2024-11-12 17:07:18,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:07:18,886 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 97 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:18,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 89 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:18,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-12 17:07:18,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 177. [2024-11-12 17:07:18,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 152 states have (on average 1.3289473684210527) internal successors, (202), 164 states have internal predecessors, (202), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:07:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 222 transitions. [2024-11-12 17:07:18,898 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 222 transitions. Word has length 36 [2024-11-12 17:07:18,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:18,898 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 222 transitions. [2024-11-12 17:07:18,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:18,899 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 222 transitions. [2024-11-12 17:07:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-12 17:07:18,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:18,900 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:07:18,918 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 17:07:19,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:19,102 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:19,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:19,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1523064142, now seen corresponding path program 1 times [2024-11-12 17:07:19,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:19,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121811495] [2024-11-12 17:07:19,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:19,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:19,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:19,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:19,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:19,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:19,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121811495] [2024-11-12 17:07:19,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121811495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:19,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808762783] [2024-11-12 17:07:19,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:19,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:19,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:19,170 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 17:07:19,171 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 17:07:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:19,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:07:19,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:19,307 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:07:19,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808762783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:07:19,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:07:19,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-12 17:07:19,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872142186] [2024-11-12 17:07:19,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:07:19,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:07:19,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:19,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:07:19,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:07:19,308 INFO L87 Difference]: Start difference. First operand 177 states and 222 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:19,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:19,438 INFO L93 Difference]: Finished difference Result 177 states and 222 transitions. [2024-11-12 17:07:19,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:07:19,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2024-11-12 17:07:19,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:19,440 INFO L225 Difference]: With dead ends: 177 [2024-11-12 17:07:19,440 INFO L226 Difference]: Without dead ends: 175 [2024-11-12 17:07:19,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:07:19,440 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:19,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 65 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:19,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-12 17:07:19,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172. [2024-11-12 17:07:19,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.3154362416107384) internal successors, (196), 159 states have internal predecessors, (196), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:07:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 216 transitions. [2024-11-12 17:07:19,450 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 216 transitions. Word has length 37 [2024-11-12 17:07:19,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:19,451 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 216 transitions. [2024-11-12 17:07:19,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:19,451 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 216 transitions. [2024-11-12 17:07:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-12 17:07:19,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:19,452 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:07:19,469 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 17:07:19,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:19,652 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:19,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:19,653 INFO L85 PathProgramCache]: Analyzing trace with hash 29651906, now seen corresponding path program 1 times [2024-11-12 17:07:19,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:19,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678748313] [2024-11-12 17:07:19,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:19,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:19,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:19,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:19,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:19,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:19,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678748313] [2024-11-12 17:07:19,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678748313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:19,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923561603] [2024-11-12 17:07:19,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:19,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:19,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:19,747 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 17:07:19,748 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 17:07:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:19,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:07:19,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:19,888 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:20,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923561603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:20,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:07:20,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2024-11-12 17:07:20,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151912670] [2024-11-12 17:07:20,016 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:20,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:07:20,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:20,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:07:20,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:07:20,018 INFO L87 Difference]: Start difference. First operand 172 states and 216 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 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 17:07:20,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:20,227 INFO L93 Difference]: Finished difference Result 180 states and 220 transitions. [2024-11-12 17:07:20,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:07:20,228 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 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 38 [2024-11-12 17:07:20,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:20,231 INFO L225 Difference]: With dead ends: 180 [2024-11-12 17:07:20,231 INFO L226 Difference]: Without dead ends: 172 [2024-11-12 17:07:20,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:07:20,232 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 35 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:20,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 128 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:07:20,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-12 17:07:20,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-12 17:07:20,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.2885906040268456) internal successors, (192), 159 states have internal predecessors, (192), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:07:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 212 transitions. [2024-11-12 17:07:20,245 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 212 transitions. Word has length 38 [2024-11-12 17:07:20,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:20,246 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 212 transitions. [2024-11-12 17:07:20,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 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 17:07:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 212 transitions. [2024-11-12 17:07:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-12 17:07:20,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:20,249 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:07:20,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-12 17:07:20,449 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,SelfDestructingSolverStorable11 [2024-11-12 17:07:20,450 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:20,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:20,451 INFO L85 PathProgramCache]: Analyzing trace with hash 919209140, now seen corresponding path program 1 times [2024-11-12 17:07:20,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:20,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641677446] [2024-11-12 17:07:20,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:20,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:20,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:20,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:20,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:20,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:20,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641677446] [2024-11-12 17:07:20,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641677446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:07:20,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:07:20,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:07:20,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769436157] [2024-11-12 17:07:20,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:07:20,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:07:20,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:20,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:07:20,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:07:20,512 INFO L87 Difference]: Start difference. First operand 172 states and 212 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:20,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:20,648 INFO L93 Difference]: Finished difference Result 173 states and 212 transitions. [2024-11-12 17:07:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:07:20,649 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2024-11-12 17:07:20,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:20,650 INFO L225 Difference]: With dead ends: 173 [2024-11-12 17:07:20,650 INFO L226 Difference]: Without dead ends: 172 [2024-11-12 17:07:20,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 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 17:07:20,651 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:20,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:20,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-12 17:07:20,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-12 17:07:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.261744966442953) internal successors, (188), 159 states have internal predecessors, (188), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:07:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 208 transitions. [2024-11-12 17:07:20,661 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 208 transitions. Word has length 39 [2024-11-12 17:07:20,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:20,661 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 208 transitions. [2024-11-12 17:07:20,662 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:20,662 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 208 transitions. [2024-11-12 17:07:20,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-12 17:07:20,662 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:20,663 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:07:20,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 17:07:20,663 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:20,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:20,663 INFO L85 PathProgramCache]: Analyzing trace with hash -259639638, now seen corresponding path program 1 times [2024-11-12 17:07:20,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:20,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744514606] [2024-11-12 17:07:20,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:20,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:20,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:20,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:20,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:07:20,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:20,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744514606] [2024-11-12 17:07:20,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744514606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:20,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158305987] [2024-11-12 17:07:20,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:20,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:20,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:20,824 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 17:07:20,825 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 17:07:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:20,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 17:07:20,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:07:20,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:21,211 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:07:21,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158305987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:21,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:21,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-12 17:07:21,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462913732] [2024-11-12 17:07:21,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:21,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 17:07:21,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:21,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 17:07:21,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:07:21,214 INFO L87 Difference]: Start difference. First operand 172 states and 208 transitions. Second operand has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:07:21,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:21,845 INFO L93 Difference]: Finished difference Result 173 states and 208 transitions. [2024-11-12 17:07:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 17:07:21,846 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2024-11-12 17:07:21,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:21,847 INFO L225 Difference]: With dead ends: 173 [2024-11-12 17:07:21,847 INFO L226 Difference]: Without dead ends: 170 [2024-11-12 17:07:21,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 70 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-12 17:07:21,848 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 139 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:21,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 127 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:07:21,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-12 17:07:21,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 143. [2024-11-12 17:07:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 124 states have (on average 1.2338709677419355) internal successors, (153), 131 states have internal predecessors, (153), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:07:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 171 transitions. [2024-11-12 17:07:21,858 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 171 transitions. Word has length 39 [2024-11-12 17:07:21,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:21,859 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 171 transitions. [2024-11-12 17:07:21,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:07:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 171 transitions. [2024-11-12 17:07:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-12 17:07:21,859 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:21,860 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:07:21,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-12 17:07:22,060 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,SelfDestructingSolverStorable13 [2024-11-12 17:07:22,061 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:22,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:22,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1569287676, now seen corresponding path program 1 times [2024-11-12 17:07:22,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:22,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399107442] [2024-11-12 17:07:22,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:22,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:22,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:22,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:22,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:22,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:22,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399107442] [2024-11-12 17:07:22,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399107442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:07:22,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:07:22,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:07:22,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999028722] [2024-11-12 17:07:22,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:07:22,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:07:22,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:22,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:07:22,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:07:22,123 INFO L87 Difference]: Start difference. First operand 143 states and 171 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:22,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:22,250 INFO L93 Difference]: Finished difference Result 144 states and 171 transitions. [2024-11-12 17:07:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:07:22,250 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2024-11-12 17:07:22,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:22,251 INFO L225 Difference]: With dead ends: 144 [2024-11-12 17:07:22,251 INFO L226 Difference]: Without dead ends: 143 [2024-11-12 17:07:22,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 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 17:07:22,252 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:22,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:22,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-12 17:07:22,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-12 17:07:22,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 124 states have (on average 1.2016129032258065) internal successors, (149), 131 states have internal predecessors, (149), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:07:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2024-11-12 17:07:22,261 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 40 [2024-11-12 17:07:22,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:22,261 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2024-11-12 17:07:22,262 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:22,262 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2024-11-12 17:07:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-12 17:07:22,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:22,262 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:07:22,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 17:07:22,263 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:22,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:22,263 INFO L85 PathProgramCache]: Analyzing trace with hash 541105870, now seen corresponding path program 1 times [2024-11-12 17:07:22,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:22,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493950482] [2024-11-12 17:07:22,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:22,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:22,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [383216271] [2024-11-12 17:07:22,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:22,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:22,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:22,273 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 17:07:22,274 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 17:07:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:22,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 17:07:22,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:22,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:07:22,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:22,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493950482] [2024-11-12 17:07:22,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:22,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383216271] [2024-11-12 17:07:22,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383216271] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:22,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:07:22,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-12 17:07:22,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511714624] [2024-11-12 17:07:22,608 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:22,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:07:22,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:22,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:07:22,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:07:22,609 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:07:23,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:23,031 INFO L93 Difference]: Finished difference Result 230 states and 268 transitions. [2024-11-12 17:07:23,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:07:23,032 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 40 [2024-11-12 17:07:23,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:23,033 INFO L225 Difference]: With dead ends: 230 [2024-11-12 17:07:23,033 INFO L226 Difference]: Without dead ends: 158 [2024-11-12 17:07:23,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:07:23,034 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 69 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:23,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 104 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:07:23,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-12 17:07:23,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-11-12 17:07:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 139 states have (on average 1.1654676258992807) internal successors, (162), 145 states have internal predecessors, (162), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:07:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 182 transitions. [2024-11-12 17:07:23,043 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 182 transitions. Word has length 40 [2024-11-12 17:07:23,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:23,043 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 182 transitions. [2024-11-12 17:07:23,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:07:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 182 transitions. [2024-11-12 17:07:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-12 17:07:23,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:23,044 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:23,060 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 17:07:23,244 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,SelfDestructingSolverStorable15 [2024-11-12 17:07:23,245 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:23,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:23,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1333082339, now seen corresponding path program 2 times [2024-11-12 17:07:23,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:23,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378205790] [2024-11-12 17:07:23,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:23,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:23,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1960166639] [2024-11-12 17:07:23,256 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:07:23,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:23,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:23,258 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 17:07:23,259 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 17:07:23,302 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:07:23,302 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:23,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 17:07:23,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:07:23,444 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:07:23,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:23,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378205790] [2024-11-12 17:07:23,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:23,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960166639] [2024-11-12 17:07:23,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960166639] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:23,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:07:23,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-12 17:07:23,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407383332] [2024-11-12 17:07:23,646 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:23,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:07:23,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:23,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:07:23,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:07:23,647 INFO L87 Difference]: Start difference. First operand 158 states and 182 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:07:24,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:24,585 INFO L93 Difference]: Finished difference Result 325 states and 386 transitions. [2024-11-12 17:07:24,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:07:24,585 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 56 [2024-11-12 17:07:24,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:24,587 INFO L225 Difference]: With dead ends: 325 [2024-11-12 17:07:24,587 INFO L226 Difference]: Without dead ends: 322 [2024-11-12 17:07:24,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:07:24,588 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 175 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:24,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 210 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:07:24,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-12 17:07:24,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 300. [2024-11-12 17:07:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 274 states have (on average 1.1715328467153285) internal successors, (321), 279 states have internal predecessors, (321), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:07:24,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 357 transitions. [2024-11-12 17:07:24,609 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 357 transitions. Word has length 56 [2024-11-12 17:07:24,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:24,610 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 357 transitions. [2024-11-12 17:07:24,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:07:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 357 transitions. [2024-11-12 17:07:24,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-12 17:07:24,610 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:24,610 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:24,628 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 17:07:24,811 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,SelfDestructingSolverStorable16 [2024-11-12 17:07:24,811 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:24,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:24,813 INFO L85 PathProgramCache]: Analyzing trace with hash 689941713, now seen corresponding path program 2 times [2024-11-12 17:07:24,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:24,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846390685] [2024-11-12 17:07:24,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:24,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:24,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:24,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:24,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:24,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 17:07:24,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:24,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846390685] [2024-11-12 17:07:24,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846390685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:24,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645029213] [2024-11-12 17:07:24,954 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:07:24,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:24,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:24,956 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 17:07:24,957 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 17:07:24,998 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:07:24,998 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:24,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:07:25,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:07:25,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:25,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645029213] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:25,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:07:25,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2024-11-12 17:07:25,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725627685] [2024-11-12 17:07:25,231 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:25,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:07:25,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:25,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:07:25,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:07:25,233 INFO L87 Difference]: Start difference. First operand 300 states and 357 transitions. Second operand has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:07:25,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:25,482 INFO L93 Difference]: Finished difference Result 324 states and 383 transitions. [2024-11-12 17:07:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:07:25,483 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 58 [2024-11-12 17:07:25,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:25,484 INFO L225 Difference]: With dead ends: 324 [2024-11-12 17:07:25,484 INFO L226 Difference]: Without dead ends: 316 [2024-11-12 17:07:25,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:07:25,485 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 35 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:25,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 150 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:07:25,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-12 17:07:25,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2024-11-12 17:07:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 289 states have (on average 1.166089965397924) internal successors, (337), 294 states have internal predecessors, (337), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 17:07:25,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 375 transitions. [2024-11-12 17:07:25,502 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 375 transitions. Word has length 58 [2024-11-12 17:07:25,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:25,502 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 375 transitions. [2024-11-12 17:07:25,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:07:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 375 transitions. [2024-11-12 17:07:25,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-12 17:07:25,503 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:25,503 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:25,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-12 17:07:25,704 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,SelfDestructingSolverStorable17 [2024-11-12 17:07:25,704 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:25,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:25,705 INFO L85 PathProgramCache]: Analyzing trace with hash -526727072, now seen corresponding path program 3 times [2024-11-12 17:07:25,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:25,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077709668] [2024-11-12 17:07:25,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:25,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:25,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:25,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:25,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:25,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:25,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-12 17:07:25,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:25,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077709668] [2024-11-12 17:07:25,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077709668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:25,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915535052] [2024-11-12 17:07:25,863 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:07:25,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:25,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:25,865 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 17:07:25,866 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 17:07:25,903 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-12 17:07:25,903 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:25,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:07:25,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-12 17:07:26,010 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:07:26,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915535052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:07:26,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:07:26,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-12 17:07:26,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953212786] [2024-11-12 17:07:26,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:07:26,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:07:26,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:26,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:07:26,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:07:26,012 INFO L87 Difference]: Start difference. First operand 316 states and 375 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:26,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:26,118 INFO L93 Difference]: Finished difference Result 324 states and 379 transitions. [2024-11-12 17:07:26,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:07:26,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 78 [2024-11-12 17:07:26,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:26,121 INFO L225 Difference]: With dead ends: 324 [2024-11-12 17:07:26,121 INFO L226 Difference]: Without dead ends: 317 [2024-11-12 17:07:26,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:07:26,122 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 21 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:26,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 100 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:26,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-12 17:07:26,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 313. [2024-11-12 17:07:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 286 states have (on average 1.1538461538461537) internal successors, (330), 291 states have internal predecessors, (330), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 17:07:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 368 transitions. [2024-11-12 17:07:26,139 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 368 transitions. Word has length 78 [2024-11-12 17:07:26,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:26,139 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 368 transitions. [2024-11-12 17:07:26,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:07:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 368 transitions. [2024-11-12 17:07:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-12 17:07:26,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:26,140 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:26,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-12 17:07:26,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:26,341 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:26,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:26,342 INFO L85 PathProgramCache]: Analyzing trace with hash -2064976214, now seen corresponding path program 1 times [2024-11-12 17:07:26,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:26,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892425537] [2024-11-12 17:07:26,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:26,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:26,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:26,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:26,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:26,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:26,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:26,496 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-12 17:07:26,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:26,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892425537] [2024-11-12 17:07:26,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892425537] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:26,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754583390] [2024-11-12 17:07:26,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:26,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:26,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:26,499 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 17:07:26,500 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 17:07:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:26,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:07:26,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-12 17:07:26,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:26,986 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-12 17:07:26,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754583390] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:26,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:26,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 18 [2024-11-12 17:07:26,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197481931] [2024-11-12 17:07:26,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:26,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-12 17:07:26,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:26,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-12 17:07:26,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:07:26,989 INFO L87 Difference]: Start difference. First operand 313 states and 368 transitions. Second operand has 19 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-12 17:07:27,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:27,991 INFO L93 Difference]: Finished difference Result 417 states and 495 transitions. [2024-11-12 17:07:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-12 17:07:27,991 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 78 [2024-11-12 17:07:27,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:27,993 INFO L225 Difference]: With dead ends: 417 [2024-11-12 17:07:27,993 INFO L226 Difference]: Without dead ends: 403 [2024-11-12 17:07:27,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 147 SyntacticMatches, 7 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=761, Invalid=2431, Unknown=0, NotChecked=0, Total=3192 [2024-11-12 17:07:27,995 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 248 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:27,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 133 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:07:27,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-12 17:07:28,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 307. [2024-11-12 17:07:28,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 282 states have (on average 1.1134751773049645) internal successors, (314), 285 states have internal predecessors, (314), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 17:07:28,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 352 transitions. [2024-11-12 17:07:28,013 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 352 transitions. Word has length 78 [2024-11-12 17:07:28,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:28,013 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 352 transitions. [2024-11-12 17:07:28,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-12 17:07:28,014 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 352 transitions. [2024-11-12 17:07:28,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-12 17:07:28,015 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:28,015 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:28,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-12 17:07:28,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:28,216 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:28,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:28,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1766875250, now seen corresponding path program 1 times [2024-11-12 17:07:28,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:28,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697592701] [2024-11-12 17:07:28,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:28,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:28,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:28,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:28,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:28,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:28,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:28,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:07:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 17:07:28,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:28,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697592701] [2024-11-12 17:07:28,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697592701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:28,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146005511] [2024-11-12 17:07:28,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:28,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:28,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:28,317 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 17:07:28,318 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 17:07:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:28,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:07:28,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 17:07:28,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:28,536 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 17:07:28,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146005511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:28,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:28,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-12 17:07:28,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732604183] [2024-11-12 17:07:28,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:28,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:07:28,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:28,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:07:28,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:07:28,538 INFO L87 Difference]: Start difference. First operand 307 states and 352 transitions. Second operand has 11 states, 10 states have (on average 13.4) internal successors, (134), 11 states have internal predecessors, (134), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-12 17:07:28,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:28,706 INFO L93 Difference]: Finished difference Result 1042 states and 1257 transitions. [2024-11-12 17:07:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:07:28,707 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.4) internal successors, (134), 11 states have internal predecessors, (134), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 88 [2024-11-12 17:07:28,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:28,711 INFO L225 Difference]: With dead ends: 1042 [2024-11-12 17:07:28,711 INFO L226 Difference]: Without dead ends: 1040 [2024-11-12 17:07:28,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:07:28,712 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 14 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:28,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 153 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:28,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2024-11-12 17:07:28,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1040. [2024-11-12 17:07:28,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 969 states have (on average 1.0691434468524252) internal successors, (1036), 971 states have internal predecessors, (1036), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-12 17:07:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1168 transitions. [2024-11-12 17:07:28,792 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1168 transitions. Word has length 88 [2024-11-12 17:07:28,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:28,792 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1168 transitions. [2024-11-12 17:07:28,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.4) internal successors, (134), 11 states have internal predecessors, (134), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-12 17:07:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1168 transitions. [2024-11-12 17:07:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-12 17:07:28,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:28,794 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:28,811 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 17:07:28,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:28,994 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:28,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:28,995 INFO L85 PathProgramCache]: Analyzing trace with hash -932034271, now seen corresponding path program 1 times [2024-11-12 17:07:28,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:28,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550517424] [2024-11-12 17:07:28,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:28,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:29,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:29,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:29,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:29,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:29,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:29,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:07:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:07:29,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:29,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550517424] [2024-11-12 17:07:29,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550517424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:29,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871106325] [2024-11-12 17:07:29,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:29,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:29,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:29,073 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 17:07:29,077 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 17:07:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:29,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:07:29,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 66 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-12 17:07:29,218 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 54 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-12 17:07:29,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871106325] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:29,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:29,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 10 [2024-11-12 17:07:29,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415352127] [2024-11-12 17:07:29,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:29,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:07:29,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:29,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:07:29,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:07:29,314 INFO L87 Difference]: Start difference. First operand 1040 states and 1168 transitions. Second operand has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-12 17:07:29,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:29,746 INFO L93 Difference]: Finished difference Result 1934 states and 2170 transitions. [2024-11-12 17:07:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-12 17:07:29,747 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) Word has length 91 [2024-11-12 17:07:29,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:29,753 INFO L225 Difference]: With dead ends: 1934 [2024-11-12 17:07:29,754 INFO L226 Difference]: Without dead ends: 1630 [2024-11-12 17:07:29,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 185 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-12 17:07:29,757 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 81 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:29,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 211 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:07:29,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2024-11-12 17:07:29,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1243. [2024-11-12 17:07:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 1160 states have (on average 1.0672413793103448) internal successors, (1238), 1162 states have internal predecessors, (1238), 78 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-12 17:07:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1394 transitions. [2024-11-12 17:07:29,834 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1394 transitions. Word has length 91 [2024-11-12 17:07:29,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:29,834 INFO L471 AbstractCegarLoop]: Abstraction has 1243 states and 1394 transitions. [2024-11-12 17:07:29,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-12 17:07:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1394 transitions. [2024-11-12 17:07:29,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-12 17:07:29,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:29,836 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:29,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-12 17:07:30,040 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,SelfDestructingSolverStorable21 [2024-11-12 17:07:30,041 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:30,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:30,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1317964823, now seen corresponding path program 1 times [2024-11-12 17:07:30,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:30,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750911770] [2024-11-12 17:07:30,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:30,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:30,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:30,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:30,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:30,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:30,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:30,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:07:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 17:07:30,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:30,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750911770] [2024-11-12 17:07:30,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750911770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:30,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064186076] [2024-11-12 17:07:30,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:30,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:30,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:30,127 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 17:07:30,128 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 17:07:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:30,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:07:30,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 17:07:30,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:30,380 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 17:07:30,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064186076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:30,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:30,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-12 17:07:30,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956340041] [2024-11-12 17:07:30,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:30,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:07:30,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:30,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:07:30,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:07:30,382 INFO L87 Difference]: Start difference. First operand 1243 states and 1394 transitions. Second operand has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-12 17:07:30,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:30,580 INFO L93 Difference]: Finished difference Result 2010 states and 2258 transitions. [2024-11-12 17:07:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:07:30,580 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 91 [2024-11-12 17:07:30,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:30,587 INFO L225 Difference]: With dead ends: 2010 [2024-11-12 17:07:30,587 INFO L226 Difference]: Without dead ends: 2009 [2024-11-12 17:07:30,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:07:30,588 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 79 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:30,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 183 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:30,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2009 states. [2024-11-12 17:07:30,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2009 to 2001. [2024-11-12 17:07:30,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2001 states, 1870 states have (on average 1.0663101604278076) internal successors, (1994), 1872 states have internal predecessors, (1994), 126 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-12 17:07:30,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2246 transitions. [2024-11-12 17:07:30,714 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2246 transitions. Word has length 91 [2024-11-12 17:07:30,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:30,715 INFO L471 AbstractCegarLoop]: Abstraction has 2001 states and 2246 transitions. [2024-11-12 17:07:30,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-12 17:07:30,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2246 transitions. [2024-11-12 17:07:30,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-12 17:07:30,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:30,719 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:30,737 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 17:07:30,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:30,920 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:30,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:30,921 INFO L85 PathProgramCache]: Analyzing trace with hash -607809200, now seen corresponding path program 1 times [2024-11-12 17:07:30,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:30,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838196758] [2024-11-12 17:07:30,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:30,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:31,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:31,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:31,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:31,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:31,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:31,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:07:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:31,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 17:07:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 47 proven. 104 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-12 17:07:31,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:31,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838196758] [2024-11-12 17:07:31,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838196758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:31,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594906930] [2024-11-12 17:07:31,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:31,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:31,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:31,051 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 17:07:31,053 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 17:07:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:31,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:07:31,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-12 17:07:31,266 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-12 17:07:31,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594906930] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:31,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:31,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-12 17:07:31,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645907520] [2024-11-12 17:07:31,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:31,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:07:31,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:31,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:07:31,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:07:31,403 INFO L87 Difference]: Start difference. First operand 2001 states and 2246 transitions. Second operand has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-12 17:07:31,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:31,794 INFO L93 Difference]: Finished difference Result 4459 states and 5002 transitions. [2024-11-12 17:07:31,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:07:31,795 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 116 [2024-11-12 17:07:31,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:31,808 INFO L225 Difference]: With dead ends: 4459 [2024-11-12 17:07:31,808 INFO L226 Difference]: Without dead ends: 3299 [2024-11-12 17:07:31,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 237 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:07:31,812 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 26 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:31,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 315 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:07:31,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2024-11-12 17:07:31,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 2298. [2024-11-12 17:07:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2298 states, 2149 states have (on average 1.0604932526756632) internal successors, (2279), 2151 states have internal predecessors, (2279), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-12 17:07:32,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 2298 states and 2567 transitions. [2024-11-12 17:07:32,005 INFO L78 Accepts]: Start accepts. Automaton has 2298 states and 2567 transitions. Word has length 116 [2024-11-12 17:07:32,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:32,005 INFO L471 AbstractCegarLoop]: Abstraction has 2298 states and 2567 transitions. [2024-11-12 17:07:32,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-12 17:07:32,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 2567 transitions. [2024-11-12 17:07:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-12 17:07:32,007 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:32,008 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:32,024 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 17:07:32,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:32,212 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:32,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:32,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1551203553, now seen corresponding path program 2 times [2024-11-12 17:07:32,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:32,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570584076] [2024-11-12 17:07:32,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:32,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:32,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669561440] [2024-11-12 17:07:32,233 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:07:32,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:32,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:32,235 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 17:07:32,236 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 17:07:32,296 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:07:32,296 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:32,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 17:07:32,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-12 17:07:32,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:33,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:33,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570584076] [2024-11-12 17:07:33,136 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:33,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669561440] [2024-11-12 17:07:33,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669561440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:33,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:07:33,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-12 17:07:33,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694724143] [2024-11-12 17:07:33,136 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:33,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:07:33,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:33,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:07:33,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:07:33,138 INFO L87 Difference]: Start difference. First operand 2298 states and 2567 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:07:33,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:33,367 INFO L93 Difference]: Finished difference Result 2589 states and 2888 transitions. [2024-11-12 17:07:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:07:33,368 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 136 [2024-11-12 17:07:33,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:33,378 INFO L225 Difference]: With dead ends: 2589 [2024-11-12 17:07:33,378 INFO L226 Difference]: Without dead ends: 2588 [2024-11-12 17:07:33,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:07:33,380 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 19 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:33,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 235 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:33,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2024-11-12 17:07:33,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2330. [2024-11-12 17:07:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 2179 states have (on average 1.0596603946764571) internal successors, (2309), 2181 states have internal predecessors, (2309), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-12 17:07:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 2601 transitions. [2024-11-12 17:07:33,529 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 2601 transitions. Word has length 136 [2024-11-12 17:07:33,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:33,529 INFO L471 AbstractCegarLoop]: Abstraction has 2330 states and 2601 transitions. [2024-11-12 17:07:33,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:07:33,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 2601 transitions. [2024-11-12 17:07:33,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-12 17:07:33,532 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:33,532 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:33,548 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 17:07:33,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:33,737 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:33,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:33,737 INFO L85 PathProgramCache]: Analyzing trace with hash -716297751, now seen corresponding path program 3 times [2024-11-12 17:07:33,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:33,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004685725] [2024-11-12 17:07:33,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:33,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:33,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [387084836] [2024-11-12 17:07:33,763 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:07:33,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:33,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:33,765 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 17:07:33,767 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 17:07:33,829 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-12 17:07:33,829 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:33,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 17:07:33,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-12 17:07:34,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-12 17:07:34,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:34,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004685725] [2024-11-12 17:07:34,427 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:34,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387084836] [2024-11-12 17:07:34,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387084836] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:34,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:07:34,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-12 17:07:34,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881497422] [2024-11-12 17:07:34,427 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:34,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:07:34,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:34,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:07:34,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:07:34,429 INFO L87 Difference]: Start difference. First operand 2330 states and 2601 transitions. Second operand has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-12 17:07:35,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:35,657 INFO L93 Difference]: Finished difference Result 3162 states and 3521 transitions. [2024-11-12 17:07:35,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-12 17:07:35,658 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 136 [2024-11-12 17:07:35,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:35,668 INFO L225 Difference]: With dead ends: 3162 [2024-11-12 17:07:35,669 INFO L226 Difference]: Without dead ends: 3161 [2024-11-12 17:07:35,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=372, Invalid=1188, Unknown=0, NotChecked=0, Total=1560 [2024-11-12 17:07:35,671 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 303 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:35,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 289 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:07:35,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2024-11-12 17:07:35,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 2385. [2024-11-12 17:07:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2385 states, 2231 states have (on average 1.0578216046615867) internal successors, (2360), 2233 states have internal predecessors, (2360), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-12 17:07:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 2658 transitions. [2024-11-12 17:07:35,872 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 2658 transitions. Word has length 136 [2024-11-12 17:07:35,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:35,872 INFO L471 AbstractCegarLoop]: Abstraction has 2385 states and 2658 transitions. [2024-11-12 17:07:35,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-12 17:07:35,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 2658 transitions. [2024-11-12 17:07:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-12 17:07:35,874 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:35,874 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:35,891 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 17:07:36,075 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,SelfDestructingSolverStorable25 [2024-11-12 17:07:36,076 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:36,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:36,076 INFO L85 PathProgramCache]: Analyzing trace with hash 223845959, now seen corresponding path program 3 times [2024-11-12 17:07:36,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:36,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657259] [2024-11-12 17:07:36,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:36,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:36,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [404362515] [2024-11-12 17:07:36,102 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:07:36,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:36,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:36,104 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 17:07:36,105 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 17:07:36,150 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-12 17:07:36,150 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:36,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:07:36,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 101 proven. 5 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-12 17:07:36,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:36,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:36,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657259] [2024-11-12 17:07:36,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:36,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404362515] [2024-11-12 17:07:36,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404362515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:36,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:07:36,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-12 17:07:36,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745809568] [2024-11-12 17:07:36,488 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:36,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:07:36,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:36,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:07:36,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:07:36,489 INFO L87 Difference]: Start difference. First operand 2385 states and 2658 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:07:36,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:36,665 INFO L93 Difference]: Finished difference Result 3415 states and 3801 transitions. [2024-11-12 17:07:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:07:36,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 136 [2024-11-12 17:07:36,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:36,673 INFO L225 Difference]: With dead ends: 3415 [2024-11-12 17:07:36,673 INFO L226 Difference]: Without dead ends: 2108 [2024-11-12 17:07:36,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:07:36,676 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 22 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:36,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 77 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:07:36,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2024-11-12 17:07:36,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 2107. [2024-11-12 17:07:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2107 states, 1970 states have (on average 1.0532994923857868) internal successors, (2075), 1972 states have internal predecessors, (2075), 132 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-12 17:07:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 2339 transitions. [2024-11-12 17:07:36,803 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 2339 transitions. Word has length 136 [2024-11-12 17:07:36,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:36,803 INFO L471 AbstractCegarLoop]: Abstraction has 2107 states and 2339 transitions. [2024-11-12 17:07:36,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:07:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2339 transitions. [2024-11-12 17:07:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-12 17:07:36,805 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:36,805 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:36,822 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 17:07:37,009 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,SelfDestructingSolverStorable26 [2024-11-12 17:07:37,010 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:37,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:37,010 INFO L85 PathProgramCache]: Analyzing trace with hash 528007278, now seen corresponding path program 4 times [2024-11-12 17:07:37,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:37,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41425879] [2024-11-12 17:07:37,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:37,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:37,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:37,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:37,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:37,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:37,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:37,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:07:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:37,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 17:07:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:37,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 17:07:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:37,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 17:07:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 83 proven. 234 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-12 17:07:37,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:37,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41425879] [2024-11-12 17:07:37,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41425879] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:37,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935045488] [2024-11-12 17:07:37,204 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 17:07:37,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:37,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:37,205 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 17:07:37,207 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 17:07:37,283 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-12 17:07:37,283 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:37,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:07:37,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-12 17:07:37,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-12 17:07:37,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935045488] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:37,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:37,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 15 [2024-11-12 17:07:37,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891619666] [2024-11-12 17:07:37,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:37,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 17:07:37,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:37,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 17:07:37,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:07:37,651 INFO L87 Difference]: Start difference. First operand 2107 states and 2339 transitions. Second operand has 15 states, 15 states have (on average 12.733333333333333) internal successors, (191), 15 states have internal predecessors, (191), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-12 17:07:38,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:38,035 INFO L93 Difference]: Finished difference Result 4286 states and 4766 transitions. [2024-11-12 17:07:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:07:38,036 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.733333333333333) internal successors, (191), 15 states have internal predecessors, (191), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 156 [2024-11-12 17:07:38,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:38,044 INFO L225 Difference]: With dead ends: 4286 [2024-11-12 17:07:38,044 INFO L226 Difference]: Without dead ends: 3262 [2024-11-12 17:07:38,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 318 SyntacticMatches, 7 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:07:38,046 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 28 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:38,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 494 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:07:38,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2024-11-12 17:07:38,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 2500. [2024-11-12 17:07:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2500 states, 2339 states have (on average 1.0470286447199657) internal successors, (2449), 2341 states have internal predecessors, (2449), 156 states have call successors, (156), 2 states have call predecessors, (156), 2 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-12 17:07:38,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 2761 transitions. [2024-11-12 17:07:38,194 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 2761 transitions. Word has length 156 [2024-11-12 17:07:38,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:38,194 INFO L471 AbstractCegarLoop]: Abstraction has 2500 states and 2761 transitions. [2024-11-12 17:07:38,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.733333333333333) internal successors, (191), 15 states have internal predecessors, (191), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-12 17:07:38,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 2761 transitions. [2024-11-12 17:07:38,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 17:07:38,197 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:38,197 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:38,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-12 17:07:38,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-12 17:07:38,397 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:38,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:38,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1631783107, now seen corresponding path program 5 times [2024-11-12 17:07:38,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:38,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463667272] [2024-11-12 17:07:38,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:38,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:38,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822693492] [2024-11-12 17:07:38,422 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-12 17:07:38,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:38,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:38,424 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 17:07:38,426 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 17:07:38,504 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-12 17:07:38,504 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:38,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-12 17:07:38,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 12 proven. 433 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-12 17:07:39,255 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:39,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:39,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463667272] [2024-11-12 17:07:39,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:39,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822693492] [2024-11-12 17:07:39,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822693492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:39,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:07:39,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-12 17:07:39,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459489411] [2024-11-12 17:07:39,578 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:39,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-12 17:07:39,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:39,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-12 17:07:39,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:07:39,579 INFO L87 Difference]: Start difference. First operand 2500 states and 2761 transitions. Second operand has 20 states, 19 states have (on average 7.105263157894737) internal successors, (135), 20 states have internal predecessors, (135), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-12 17:07:40,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:40,229 INFO L93 Difference]: Finished difference Result 3808 states and 4208 transitions. [2024-11-12 17:07:40,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 17:07:40,230 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.105263157894737) internal successors, (135), 20 states have internal predecessors, (135), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 176 [2024-11-12 17:07:40,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:40,236 INFO L225 Difference]: With dead ends: 3808 [2024-11-12 17:07:40,236 INFO L226 Difference]: Without dead ends: 2712 [2024-11-12 17:07:40,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2024-11-12 17:07:40,238 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 23 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:40,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 435 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:07:40,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2024-11-12 17:07:40,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2564. [2024-11-12 17:07:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 2399 states have (on average 1.0458524385160484) internal successors, (2509), 2401 states have internal predecessors, (2509), 160 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-12 17:07:40,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 2829 transitions. [2024-11-12 17:07:40,385 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 2829 transitions. Word has length 176 [2024-11-12 17:07:40,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:40,385 INFO L471 AbstractCegarLoop]: Abstraction has 2564 states and 2829 transitions. [2024-11-12 17:07:40,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.105263157894737) internal successors, (135), 20 states have internal predecessors, (135), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-12 17:07:40,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 2829 transitions. [2024-11-12 17:07:40,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-12 17:07:40,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:40,388 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:40,404 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 17:07:40,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:40,593 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:40,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:40,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1879641597, now seen corresponding path program 2 times [2024-11-12 17:07:40,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:40,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084215460] [2024-11-12 17:07:40,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:40,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:07:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 17:07:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 17:07:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 17:07:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:07:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 17:07:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:40,816 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 536 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-12 17:07:40,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:40,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084215460] [2024-11-12 17:07:40,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084215460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:40,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460940750] [2024-11-12 17:07:40,817 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:07:40,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:40,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:40,819 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 17:07:40,820 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 17:07:40,883 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:07:40,884 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:40,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:07:40,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 536 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-12 17:07:41,032 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 536 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-12 17:07:41,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460940750] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:41,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:41,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-12 17:07:41,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862955272] [2024-11-12 17:07:41,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:41,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-12 17:07:41,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:41,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-12 17:07:41,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-12 17:07:41,265 INFO L87 Difference]: Start difference. First operand 2564 states and 2829 transitions. Second operand has 21 states, 20 states have (on average 14.2) internal successors, (284), 21 states have internal predecessors, (284), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-12 17:07:41,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:41,588 INFO L93 Difference]: Finished difference Result 4485 states and 5109 transitions. [2024-11-12 17:07:41,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 17:07:41,591 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 14.2) internal successors, (284), 21 states have internal predecessors, (284), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 188 [2024-11-12 17:07:41,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:41,605 INFO L225 Difference]: With dead ends: 4485 [2024-11-12 17:07:41,605 INFO L226 Difference]: Without dead ends: 4484 [2024-11-12 17:07:41,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-12 17:07:41,606 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 20 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:41,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 171 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:07:41,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4484 states. [2024-11-12 17:07:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4484 to 4484. [2024-11-12 17:07:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4484 states, 4199 states have (on average 1.0547749464158134) internal successors, (4429), 4201 states have internal predecessors, (4429), 280 states have call successors, (280), 2 states have call predecessors, (280), 2 states have return successors, (280), 280 states have call predecessors, (280), 280 states have call successors, (280) [2024-11-12 17:07:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4484 states to 4484 states and 4989 transitions. [2024-11-12 17:07:41,876 INFO L78 Accepts]: Start accepts. Automaton has 4484 states and 4989 transitions. Word has length 188 [2024-11-12 17:07:41,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:41,877 INFO L471 AbstractCegarLoop]: Abstraction has 4484 states and 4989 transitions. [2024-11-12 17:07:41,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 14.2) internal successors, (284), 21 states have internal predecessors, (284), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-12 17:07:41,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4484 states and 4989 transitions. [2024-11-12 17:07:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-12 17:07:41,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:41,883 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:41,900 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 17:07:42,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:42,084 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:42,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:42,084 INFO L85 PathProgramCache]: Analyzing trace with hash -821238662, now seen corresponding path program 2 times [2024-11-12 17:07:42,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:42,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015060901] [2024-11-12 17:07:42,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:42,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:07:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 17:07:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 17:07:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 17:07:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:07:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 17:07:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:42,338 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-12 17:07:42,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:42,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015060901] [2024-11-12 17:07:42,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015060901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:42,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924896090] [2024-11-12 17:07:42,339 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:07:42,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:42,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:42,341 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 17:07:42,342 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 17:07:42,418 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:07:42,418 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:42,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:07:42,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-12 17:07:42,560 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-12 17:07:42,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924896090] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:42,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:42,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-12 17:07:42,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472813724] [2024-11-12 17:07:42,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:42,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-12 17:07:42,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:42,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-12 17:07:42,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-12 17:07:42,784 INFO L87 Difference]: Start difference. First operand 4484 states and 4989 transitions. Second operand has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-12 17:07:43,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:43,397 INFO L93 Difference]: Finished difference Result 8493 states and 9479 transitions. [2024-11-12 17:07:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 17:07:43,398 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 191 [2024-11-12 17:07:43,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:43,426 INFO L225 Difference]: With dead ends: 8493 [2024-11-12 17:07:43,427 INFO L226 Difference]: Without dead ends: 8492 [2024-11-12 17:07:43,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-12 17:07:43,431 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 284 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:43,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 349 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:07:43,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8492 states. [2024-11-12 17:07:43,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8492 to 8474. [2024-11-12 17:07:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8474 states, 7939 states have (on average 1.0554225973044464) internal successors, (8379), 7941 states have internal predecessors, (8379), 530 states have call successors, (530), 2 states have call predecessors, (530), 2 states have return successors, (530), 530 states have call predecessors, (530), 530 states have call successors, (530) [2024-11-12 17:07:43,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8474 states to 8474 states and 9439 transitions. [2024-11-12 17:07:43,944 INFO L78 Accepts]: Start accepts. Automaton has 8474 states and 9439 transitions. Word has length 191 [2024-11-12 17:07:43,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:43,945 INFO L471 AbstractCegarLoop]: Abstraction has 8474 states and 9439 transitions. [2024-11-12 17:07:43,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-12 17:07:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 8474 states and 9439 transitions. [2024-11-12 17:07:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-12 17:07:43,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:43,948 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:43,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-12 17:07:44,152 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,SelfDestructingSolverStorable30 [2024-11-12 17:07:44,153 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:44,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:44,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1537771124, now seen corresponding path program 6 times [2024-11-12 17:07:44,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:44,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684777210] [2024-11-12 17:07:44,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:44,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:07:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 17:07:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 17:07:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 17:07:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:07:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 17:07:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:44,388 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 135 proven. 412 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-12 17:07:44,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:44,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684777210] [2024-11-12 17:07:44,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684777210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:44,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275881762] [2024-11-12 17:07:44,389 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-12 17:07:44,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:44,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:44,391 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 17:07:44,391 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 17:07:44,483 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-12 17:07:44,483 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:44,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 17:07:44,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:44,764 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 175 proven. 372 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-12 17:07:44,764 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 175 proven. 372 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-12 17:07:44,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275881762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:44,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:44,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2024-11-12 17:07:44,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587727931] [2024-11-12 17:07:44,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:44,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 17:07:44,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:44,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 17:07:44,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:07:44,988 INFO L87 Difference]: Start difference. First operand 8474 states and 9439 transitions. Second operand has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-12 17:07:45,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:45,930 INFO L93 Difference]: Finished difference Result 19106 states and 21324 transitions. [2024-11-12 17:07:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:07:45,931 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 196 [2024-11-12 17:07:45,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:45,956 INFO L225 Difference]: With dead ends: 19106 [2024-11-12 17:07:45,956 INFO L226 Difference]: Without dead ends: 13932 [2024-11-12 17:07:45,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 399 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2024-11-12 17:07:45,965 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 30 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:45,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 373 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:07:45,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13932 states. [2024-11-12 17:07:46,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13932 to 9628. [2024-11-12 17:07:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9628 states, 9021 states have (on average 1.0504378671987584) internal successors, (9476), 9023 states have internal predecessors, (9476), 602 states have call successors, (602), 2 states have call predecessors, (602), 2 states have return successors, (602), 602 states have call predecessors, (602), 602 states have call successors, (602) [2024-11-12 17:07:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9628 states to 9628 states and 10680 transitions. [2024-11-12 17:07:46,412 INFO L78 Accepts]: Start accepts. Automaton has 9628 states and 10680 transitions. Word has length 196 [2024-11-12 17:07:46,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:46,413 INFO L471 AbstractCegarLoop]: Abstraction has 9628 states and 10680 transitions. [2024-11-12 17:07:46,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-12 17:07:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 9628 states and 10680 transitions. [2024-11-12 17:07:46,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-12 17:07:46,417 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:46,417 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:46,434 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 17:07:46,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-12 17:07:46,618 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:46,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:46,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1191162710, now seen corresponding path program 7 times [2024-11-12 17:07:46,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:46,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613003418] [2024-11-12 17:07:46,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:46,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:07:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 17:07:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 17:07:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 17:07:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:07:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 17:07:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 179 proven. 338 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-12 17:07:46,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:46,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613003418] [2024-11-12 17:07:46,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613003418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:46,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219528658] [2024-11-12 17:07:46,846 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-12 17:07:46,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:46,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:46,848 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 17:07:46,850 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 17:07:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:46,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:07:46,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 317 proven. 200 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-12 17:07:47,227 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:47,455 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 179 proven. 338 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-12 17:07:47,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219528658] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:07:47,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:07:47,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-11-12 17:07:47,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752506865] [2024-11-12 17:07:47,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:47,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-12 17:07:47,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:47,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-12 17:07:47,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-12 17:07:47,458 INFO L87 Difference]: Start difference. First operand 9628 states and 10680 transitions. Second operand has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-12 17:07:48,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:48,673 INFO L93 Difference]: Finished difference Result 25363 states and 28275 transitions. [2024-11-12 17:07:48,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 17:07:48,674 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) Word has length 196 [2024-11-12 17:07:48,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:48,707 INFO L225 Difference]: With dead ends: 25363 [2024-11-12 17:07:48,708 INFO L226 Difference]: Without dead ends: 17859 [2024-11-12 17:07:48,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 400 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=272, Invalid=784, Unknown=0, NotChecked=0, Total=1056 [2024-11-12 17:07:48,718 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 26 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:48,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 384 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:07:48,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17859 states. [2024-11-12 17:07:49,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17859 to 8946. [2024-11-12 17:07:49,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8946 states, 8380 states have (on average 1.0485680190930788) internal successors, (8787), 8382 states have internal predecessors, (8787), 561 states have call successors, (561), 2 states have call predecessors, (561), 2 states have return successors, (561), 561 states have call predecessors, (561), 561 states have call successors, (561) [2024-11-12 17:07:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8946 states to 8946 states and 9909 transitions. [2024-11-12 17:07:49,299 INFO L78 Accepts]: Start accepts. Automaton has 8946 states and 9909 transitions. Word has length 196 [2024-11-12 17:07:49,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:49,300 INFO L471 AbstractCegarLoop]: Abstraction has 8946 states and 9909 transitions. [2024-11-12 17:07:49,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-12 17:07:49,300 INFO L276 IsEmpty]: Start isEmpty. Operand 8946 states and 9909 transitions. [2024-11-12 17:07:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-12 17:07:49,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:49,304 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:49,320 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 17:07:49,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:49,505 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:49,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:49,505 INFO L85 PathProgramCache]: Analyzing trace with hash 200406363, now seen corresponding path program 8 times [2024-11-12 17:07:49,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:49,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909605615] [2024-11-12 17:07:49,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:49,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:49,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [334832138] [2024-11-12 17:07:49,531 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:07:49,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:49,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:49,533 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 17:07:49,534 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 17:07:49,604 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:07:49,604 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:49,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 17:07:49,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:50,069 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 542 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-12 17:07:50,070 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:50,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909605615] [2024-11-12 17:07:50,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334832138] [2024-11-12 17:07:50,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334832138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:50,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:07:50,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 17:07:50,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145820300] [2024-11-12 17:07:50,305 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:50,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:07:50,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:50,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:07:50,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:07:50,306 INFO L87 Difference]: Start difference. First operand 8946 states and 9909 transitions. Second operand has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-12 17:07:50,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:50,889 INFO L93 Difference]: Finished difference Result 9557 states and 10586 transitions. [2024-11-12 17:07:50,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:07:50,890 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 216 [2024-11-12 17:07:50,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:50,905 INFO L225 Difference]: With dead ends: 9557 [2024-11-12 17:07:50,906 INFO L226 Difference]: Without dead ends: 9556 [2024-11-12 17:07:50,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:07:50,908 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 19 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:50,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 394 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:07:50,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9556 states. [2024-11-12 17:07:51,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9556 to 9256. [2024-11-12 17:07:51,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9256 states, 8671 states have (on average 1.048667973705455) internal successors, (9093), 8673 states have internal predecessors, (9093), 580 states have call successors, (580), 2 states have call predecessors, (580), 2 states have return successors, (580), 580 states have call predecessors, (580), 580 states have call successors, (580) [2024-11-12 17:07:51,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9256 states to 9256 states and 10253 transitions. [2024-11-12 17:07:51,543 INFO L78 Accepts]: Start accepts. Automaton has 9256 states and 10253 transitions. Word has length 216 [2024-11-12 17:07:51,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:51,543 INFO L471 AbstractCegarLoop]: Abstraction has 9256 states and 10253 transitions. [2024-11-12 17:07:51,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-12 17:07:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 9256 states and 10253 transitions. [2024-11-12 17:07:51,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-12 17:07:51,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:51,548 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:51,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-12 17:07:51,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:51,751 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:51,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:51,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1429226326, now seen corresponding path program 9 times [2024-11-12 17:07:51,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:51,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021593566] [2024-11-12 17:07:51,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:51,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:07:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:07:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:07:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:07:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:07:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:07:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 17:07:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 17:07:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 17:07:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:07:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 17:07:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 17:07:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 17:07:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:07:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 203 proven. 638 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-12 17:07:52,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:52,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021593566] [2024-11-12 17:07:52,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021593566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:52,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757447366] [2024-11-12 17:07:52,147 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:07:52,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:52,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:52,150 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 17:07:52,151 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 17:07:52,233 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-12 17:07:52,233 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:52,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 17:07:52,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 621 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-12 17:07:52,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:53,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757447366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:53,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:07:53,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 22 [2024-11-12 17:07:53,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233848452] [2024-11-12 17:07:53,200 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:53,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-12 17:07:53,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:53,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-12 17:07:53,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=509, Unknown=0, NotChecked=0, Total=600 [2024-11-12 17:07:53,201 INFO L87 Difference]: Start difference. First operand 9256 states and 10253 transitions. Second operand has 22 states, 22 states have (on average 12.545454545454545) internal successors, (276), 22 states have internal predecessors, (276), 18 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) [2024-11-12 17:07:55,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:55,200 INFO L93 Difference]: Finished difference Result 19623 states and 21806 transitions. [2024-11-12 17:07:55,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-12 17:07:55,201 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 12.545454545454545) internal successors, (276), 22 states have internal predecessors, (276), 18 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) Word has length 236 [2024-11-12 17:07:55,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:55,226 INFO L225 Difference]: With dead ends: 19623 [2024-11-12 17:07:55,226 INFO L226 Difference]: Without dead ends: 14233 [2024-11-12 17:07:55,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=416, Invalid=2890, Unknown=0, NotChecked=0, Total=3306 [2024-11-12 17:07:55,239 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 366 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 2419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:55,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1055 Invalid, 2419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:07:55,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14233 states. [2024-11-12 17:07:55,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14233 to 10388. [2024-11-12 17:07:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10388 states, 9732 states have (on average 1.0434648581997534) internal successors, (10155), 9734 states have internal predecessors, (10155), 651 states have call successors, (651), 2 states have call predecessors, (651), 2 states have return successors, (651), 651 states have call predecessors, (651), 651 states have call successors, (651) [2024-11-12 17:07:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10388 states to 10388 states and 11457 transitions. [2024-11-12 17:07:55,822 INFO L78 Accepts]: Start accepts. Automaton has 10388 states and 11457 transitions. Word has length 236 [2024-11-12 17:07:55,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:55,823 INFO L471 AbstractCegarLoop]: Abstraction has 10388 states and 11457 transitions. [2024-11-12 17:07:55,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.545454545454545) internal successors, (276), 22 states have internal predecessors, (276), 18 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) [2024-11-12 17:07:55,823 INFO L276 IsEmpty]: Start isEmpty. Operand 10388 states and 11457 transitions. [2024-11-12 17:07:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-12 17:07:55,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:55,826 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:55,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-12 17:07:56,026 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 17:07:56,026 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:56,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:56,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1466466951, now seen corresponding path program 10 times [2024-11-12 17:07:56,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:56,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086220567] [2024-11-12 17:07:56,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:56,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:56,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114343784] [2024-11-12 17:07:56,057 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 17:07:56,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:56,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:56,059 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 17:07:56,060 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 17:07:56,152 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-12 17:07:56,152 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:56,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-12 17:07:56,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:07:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 30 proven. 862 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-12 17:07:56,694 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:07:57,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:07:57,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086220567] [2024-11-12 17:07:57,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:07:57,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114343784] [2024-11-12 17:07:57,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114343784] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:07:57,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:07:57,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-12 17:07:57,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298933382] [2024-11-12 17:07:57,001 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:07:57,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 17:07:57,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:07:57,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 17:07:57,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:07:57,003 INFO L87 Difference]: Start difference. First operand 10388 states and 11457 transitions. Second operand has 16 states, 15 states have (on average 8.8) internal successors, (132), 16 states have internal predecessors, (132), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-12 17:07:57,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:07:57,944 INFO L93 Difference]: Finished difference Result 10999 states and 12132 transitions. [2024-11-12 17:07:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 17:07:57,944 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.8) internal successors, (132), 16 states have internal predecessors, (132), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) Word has length 256 [2024-11-12 17:07:57,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:07:57,959 INFO L225 Difference]: With dead ends: 10999 [2024-11-12 17:07:57,960 INFO L226 Difference]: Without dead ends: 10998 [2024-11-12 17:07:57,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:07:57,962 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 36 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:07:57,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 509 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:07:57,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states. [2024-11-12 17:07:58,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 10698. [2024-11-12 17:07:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10698 states, 10023 states have (on average 1.0435997206425223) internal successors, (10460), 10025 states have internal predecessors, (10460), 670 states have call successors, (670), 2 states have call predecessors, (670), 2 states have return successors, (670), 670 states have call predecessors, (670), 670 states have call successors, (670) [2024-11-12 17:07:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10698 states to 10698 states and 11800 transitions. [2024-11-12 17:07:58,536 INFO L78 Accepts]: Start accepts. Automaton has 10698 states and 11800 transitions. Word has length 256 [2024-11-12 17:07:58,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:07:58,536 INFO L471 AbstractCegarLoop]: Abstraction has 10698 states and 11800 transitions. [2024-11-12 17:07:58,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.8) internal successors, (132), 16 states have internal predecessors, (132), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-12 17:07:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 10698 states and 11800 transitions. [2024-11-12 17:07:58,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-12 17:07:58,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:07:58,540 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:07:58,557 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 17:07:58,744 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 17:07:58,745 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:07:58,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:07:58,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1160014579, now seen corresponding path program 11 times [2024-11-12 17:07:58,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:07:58,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323267580] [2024-11-12 17:07:58,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:07:58,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:07:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:07:58,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847558404] [2024-11-12 17:07:58,773 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-12 17:07:58,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:07:58,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:07:58,775 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 17:07:58,776 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 17:07:58,941 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-11-12 17:07:58,941 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:07:58,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-12 17:07:58,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 45 proven. 976 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-12 17:08:00,309 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:08:00,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:00,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323267580] [2024-11-12 17:08:00,828 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:08:00,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847558404] [2024-11-12 17:08:00,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847558404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:08:00,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:08:00,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2024-11-12 17:08:00,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650490874] [2024-11-12 17:08:00,829 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:08:00,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-12 17:08:00,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:00,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-12 17:08:00,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=793, Unknown=0, NotChecked=0, Total=930 [2024-11-12 17:08:00,831 INFO L87 Difference]: Start difference. First operand 10698 states and 11800 transitions. Second operand has 29 states, 28 states have (on average 6.321428571428571) internal successors, (177), 29 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-12 17:08:02,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:02,449 INFO L93 Difference]: Finished difference Result 12682 states and 13942 transitions. [2024-11-12 17:08:02,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-12 17:08:02,449 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 6.321428571428571) internal successors, (177), 29 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) Word has length 256 [2024-11-12 17:08:02,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:02,468 INFO L225 Difference]: With dead ends: 12682 [2024-11-12 17:08:02,468 INFO L226 Difference]: Without dead ends: 11330 [2024-11-12 17:08:02,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=391, Invalid=1865, Unknown=0, NotChecked=0, Total=2256 [2024-11-12 17:08:02,475 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 41 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 1794 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 1800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:02,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 502 Invalid, 1800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1794 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:08:02,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11330 states. [2024-11-12 17:08:03,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11330 to 10705. [2024-11-12 17:08:03,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10705 states, 10030 states have (on average 1.043369890329013) internal successors, (10465), 10032 states have internal predecessors, (10465), 670 states have call successors, (670), 2 states have call predecessors, (670), 2 states have return successors, (670), 670 states have call predecessors, (670), 670 states have call successors, (670) [2024-11-12 17:08:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10705 states to 10705 states and 11805 transitions. [2024-11-12 17:08:03,188 INFO L78 Accepts]: Start accepts. Automaton has 10705 states and 11805 transitions. Word has length 256 [2024-11-12 17:08:03,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:03,189 INFO L471 AbstractCegarLoop]: Abstraction has 10705 states and 11805 transitions. [2024-11-12 17:08:03,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 6.321428571428571) internal successors, (177), 29 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-12 17:08:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 10705 states and 11805 transitions. [2024-11-12 17:08:03,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-12 17:08:03,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:03,193 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:03,209 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 17:08:03,397 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 17:08:03,398 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:08:03,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:03,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1297058248, now seen corresponding path program 12 times [2024-11-12 17:08:03,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:03,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533109804] [2024-11-12 17:08:03,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:03,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:08:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:08:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:08:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:08:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:08:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:08:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 17:08:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 17:08:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 17:08:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:08:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 17:08:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 17:08:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 17:08:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-12 17:08:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 17:08:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 287 proven. 912 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-12 17:08:03,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:03,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533109804] [2024-11-12 17:08:03,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533109804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:08:03,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686144838] [2024-11-12 17:08:03,739 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-12 17:08:03,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:03,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:03,741 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 17:08:03,743 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 17:08:03,953 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-11-12 17:08:03,953 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:08:03,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 17:08:03,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-12 17:08:04,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:08:04,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-12 17:08:04,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686144838] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:08:04,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:08:04,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 24 [2024-11-12 17:08:04,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488316618] [2024-11-12 17:08:04,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:08:04,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-12 17:08:04,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:04,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-12 17:08:04,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2024-11-12 17:08:04,678 INFO L87 Difference]: Start difference. First operand 10705 states and 11805 transitions. Second operand has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) [2024-11-12 17:08:05,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:05,844 INFO L93 Difference]: Finished difference Result 21020 states and 23271 transitions. [2024-11-12 17:08:05,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 17:08:05,845 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) Word has length 276 [2024-11-12 17:08:05,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:05,867 INFO L225 Difference]: With dead ends: 21020 [2024-11-12 17:08:05,868 INFO L226 Difference]: Without dead ends: 15860 [2024-11-12 17:08:05,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 561 SyntacticMatches, 13 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2024-11-12 17:08:05,877 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 30 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:05,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 874 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:08:05,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15860 states. [2024-11-12 17:08:06,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15860 to 12339. [2024-11-12 17:08:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12339 states, 11562 states have (on average 1.0390070921985815) internal successors, (12013), 11564 states have internal predecessors, (12013), 772 states have call successors, (772), 2 states have call predecessors, (772), 2 states have return successors, (772), 772 states have call predecessors, (772), 772 states have call successors, (772) [2024-11-12 17:08:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12339 states to 12339 states and 13557 transitions. [2024-11-12 17:08:06,611 INFO L78 Accepts]: Start accepts. Automaton has 12339 states and 13557 transitions. Word has length 276 [2024-11-12 17:08:06,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:06,611 INFO L471 AbstractCegarLoop]: Abstraction has 12339 states and 13557 transitions. [2024-11-12 17:08:06,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) [2024-11-12 17:08:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 12339 states and 13557 transitions. [2024-11-12 17:08:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-12 17:08:06,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:06,616 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:06,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-12 17:08:06,817 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 17:08:06,817 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:08:06,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash 203132823, now seen corresponding path program 13 times [2024-11-12 17:08:06,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:06,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259825628] [2024-11-12 17:08:06,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:06,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:08:06,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [707349366] [2024-11-12 17:08:06,850 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-12 17:08:06,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:06,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:06,852 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 17:08:06,853 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 17:08:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:06,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-12 17:08:06,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:08,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 39 proven. 1402 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-11-12 17:08:08,320 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:08:08,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:08,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259825628] [2024-11-12 17:08:08,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:08:08,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707349366] [2024-11-12 17:08:08,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707349366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:08:08,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:08:08,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2024-11-12 17:08:08,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004257311] [2024-11-12 17:08:08,971 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:08:08,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-12 17:08:08,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:08,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-12 17:08:08,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1240, Unknown=0, NotChecked=0, Total=1332 [2024-11-12 17:08:08,972 INFO L87 Difference]: Start difference. First operand 12339 states and 13557 transitions. Second operand has 34 states, 33 states have (on average 6.818181818181818) internal successors, (225), 34 states have internal predecessors, (225), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-12 17:08:11,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:11,655 INFO L93 Difference]: Finished difference Result 18110 states and 19950 transitions. [2024-11-12 17:08:11,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-12 17:08:11,656 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 6.818181818181818) internal successors, (225), 34 states have internal predecessors, (225), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) Word has length 296 [2024-11-12 17:08:11,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:11,672 INFO L225 Difference]: With dead ends: 18110 [2024-11-12 17:08:11,673 INFO L226 Difference]: Without dead ends: 12759 [2024-11-12 17:08:11,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=200, Invalid=2350, Unknown=0, NotChecked=0, Total=2550 [2024-11-12 17:08:11,685 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 154 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 6566 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 6586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 6566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:11,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1490 Invalid, 6586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 6566 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-12 17:08:11,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12759 states. [2024-11-12 17:08:12,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12759 to 12451. [2024-11-12 17:08:12,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12451 states, 11667 states have (on average 1.038656038398903) internal successors, (12118), 11669 states have internal predecessors, (12118), 779 states have call successors, (779), 2 states have call predecessors, (779), 2 states have return successors, (779), 779 states have call predecessors, (779), 779 states have call successors, (779) [2024-11-12 17:08:12,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12451 states to 12451 states and 13676 transitions. [2024-11-12 17:08:12,341 INFO L78 Accepts]: Start accepts. Automaton has 12451 states and 13676 transitions. Word has length 296 [2024-11-12 17:08:12,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:12,341 INFO L471 AbstractCegarLoop]: Abstraction has 12451 states and 13676 transitions. [2024-11-12 17:08:12,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 6.818181818181818) internal successors, (225), 34 states have internal predecessors, (225), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-12 17:08:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 12451 states and 13676 transitions. [2024-11-12 17:08:12,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-12 17:08:12,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:12,345 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:12,362 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 17:08:12,549 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 17:08:12,550 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:08:12,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:12,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1328479445, now seen corresponding path program 14 times [2024-11-12 17:08:12,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:12,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936059989] [2024-11-12 17:08:12,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:12,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:08:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:08:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:08:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:08:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:08:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:08:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 17:08:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 17:08:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 17:08:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:08:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 17:08:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 17:08:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 17:08:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-12 17:08:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 17:08:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-12 17:08:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:12,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 736 proven. 460 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-12 17:08:12,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:12,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936059989] [2024-11-12 17:08:12,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936059989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:08:12,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109416692] [2024-11-12 17:08:12,786 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:08:12,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:12,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:12,788 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 17:08:12,790 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 17:08:12,870 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:08:12,871 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:08:12,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:08:12,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:13,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 1024 proven. 332 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-12 17:08:13,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:08:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 694 proven. 502 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-12 17:08:13,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109416692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:08:13,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:08:13,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2024-11-12 17:08:13,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599546911] [2024-11-12 17:08:13,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:08:13,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 17:08:13,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:13,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 17:08:13,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:08:13,380 INFO L87 Difference]: Start difference. First operand 12451 states and 13676 transitions. Second operand has 16 states, 16 states have (on average 15.125) internal successors, (242), 16 states have internal predecessors, (242), 16 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-12 17:08:14,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:14,177 INFO L93 Difference]: Finished difference Result 14220 states and 15599 transitions. [2024-11-12 17:08:14,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:08:14,178 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 15.125) internal successors, (242), 16 states have internal predecessors, (242), 16 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) Word has length 296 [2024-11-12 17:08:14,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:14,195 INFO L225 Difference]: With dead ends: 14220 [2024-11-12 17:08:14,195 INFO L226 Difference]: Without dead ends: 12941 [2024-11-12 17:08:14,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 611 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:08:14,199 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 19 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:14,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 221 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:08:14,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12941 states. [2024-11-12 17:08:14,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12941 to 12428. [2024-11-12 17:08:14,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12428 states, 11645 states have (on average 1.038643194504079) internal successors, (12095), 11647 states have internal predecessors, (12095), 778 states have call successors, (778), 2 states have call predecessors, (778), 2 states have return successors, (778), 778 states have call predecessors, (778), 778 states have call successors, (778) [2024-11-12 17:08:14,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12428 states to 12428 states and 13651 transitions. [2024-11-12 17:08:14,954 INFO L78 Accepts]: Start accepts. Automaton has 12428 states and 13651 transitions. Word has length 296 [2024-11-12 17:08:14,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:14,954 INFO L471 AbstractCegarLoop]: Abstraction has 12428 states and 13651 transitions. [2024-11-12 17:08:14,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 15.125) internal successors, (242), 16 states have internal predecessors, (242), 16 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-12 17:08:14,955 INFO L276 IsEmpty]: Start isEmpty. Operand 12428 states and 13651 transitions. [2024-11-12 17:08:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-12 17:08:14,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:14,958 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:14,970 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 17:08:15,158 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 17:08:15,159 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:08:15,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:15,159 INFO L85 PathProgramCache]: Analyzing trace with hash -2142969626, now seen corresponding path program 15 times [2024-11-12 17:08:15,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:15,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410363416] [2024-11-12 17:08:15,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:15,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:08:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:08:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:08:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:08:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:08:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 17:08:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 17:08:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 17:08:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 17:08:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:08:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 17:08:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 17:08:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 17:08:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-12 17:08:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 17:08:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-12 17:08:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-12 17:08:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 387 proven. 1234 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-12 17:08:15,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:15,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410363416] [2024-11-12 17:08:15,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410363416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:08:15,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907972907] [2024-11-12 17:08:15,572 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:08:15,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:15,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:15,574 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 17:08:15,576 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 17:08:15,663 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-12 17:08:15,664 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:08:15,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-12 17:08:15,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:16,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 0 proven. 1201 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2024-11-12 17:08:16,118 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:08:16,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907972907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:08:16,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:08:16,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11] total 28 [2024-11-12 17:08:16,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088038481] [2024-11-12 17:08:16,490 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:08:16,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-12 17:08:16,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:16,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-12 17:08:16,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2024-11-12 17:08:16,492 INFO L87 Difference]: Start difference. First operand 12428 states and 13651 transitions. Second operand has 28 states, 28 states have (on average 13.071428571428571) internal successors, (366), 28 states have internal predecessors, (366), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2024-11-12 17:08:19,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:19,087 INFO L93 Difference]: Finished difference Result 23132 states and 25508 transitions. [2024-11-12 17:08:19,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-12 17:08:19,088 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 13.071428571428571) internal successors, (366), 28 states have internal predecessors, (366), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) Word has length 316 [2024-11-12 17:08:19,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:19,114 INFO L225 Difference]: With dead ends: 23132 [2024-11-12 17:08:19,114 INFO L226 Difference]: Without dead ends: 17972 [2024-11-12 17:08:19,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1613 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=664, Invalid=5036, Unknown=0, NotChecked=0, Total=5700 [2024-11-12 17:08:19,129 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 513 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 3978 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 4023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 3978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:19,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 1758 Invalid, 4023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 3978 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 17:08:19,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17972 states. [2024-11-12 17:08:19,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17972 to 14350. [2024-11-12 17:08:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14350 states, 13447 states have (on average 1.0347289358221166) internal successors, (13914), 13449 states have internal predecessors, (13914), 898 states have call successors, (898), 2 states have call predecessors, (898), 2 states have return successors, (898), 898 states have call predecessors, (898), 898 states have call successors, (898) [2024-11-12 17:08:19,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14350 states to 14350 states and 15710 transitions. [2024-11-12 17:08:19,951 INFO L78 Accepts]: Start accepts. Automaton has 14350 states and 15710 transitions. Word has length 316 [2024-11-12 17:08:19,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:19,952 INFO L471 AbstractCegarLoop]: Abstraction has 14350 states and 15710 transitions. [2024-11-12 17:08:19,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 13.071428571428571) internal successors, (366), 28 states have internal predecessors, (366), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2024-11-12 17:08:19,952 INFO L276 IsEmpty]: Start isEmpty. Operand 14350 states and 15710 transitions. [2024-11-12 17:08:19,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-12 17:08:19,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:19,955 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:19,967 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 17:08:20,155 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 17:08:20,156 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:08:20,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:20,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1923062448, now seen corresponding path program 16 times [2024-11-12 17:08:20,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:20,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328531631] [2024-11-12 17:08:20,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:20,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:08:20,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [441865171] [2024-11-12 17:08:20,192 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 17:08:20,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:20,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:20,194 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 17:08:20,195 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 17:08:20,308 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-12 17:08:20,308 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:08:20,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-12 17:08:20,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2005 backedges. 63 proven. 1530 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2024-11-12 17:08:22,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:08:23,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:23,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328531631] [2024-11-12 17:08:23,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:08:23,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441865171] [2024-11-12 17:08:23,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441865171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:08:23,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:08:23,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2024-11-12 17:08:23,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275755528] [2024-11-12 17:08:23,296 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:08:23,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-12 17:08:23,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:23,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-12 17:08:23,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2024-11-12 17:08:23,298 INFO L87 Difference]: Start difference. First operand 14350 states and 15710 transitions. Second operand has 28 states, 27 states have (on average 7.222222222222222) internal successors, (195), 28 states have internal predecessors, (195), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-12 17:08:26,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:26,664 INFO L93 Difference]: Finished difference Result 14805 states and 16205 transitions. [2024-11-12 17:08:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-12 17:08:26,665 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 7.222222222222222) internal successors, (195), 28 states have internal predecessors, (195), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) Word has length 316 [2024-11-12 17:08:26,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:26,680 INFO L225 Difference]: With dead ends: 14805 [2024-11-12 17:08:26,680 INFO L226 Difference]: Without dead ends: 14580 [2024-11-12 17:08:26,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=385, Invalid=2371, Unknown=0, NotChecked=0, Total=2756 [2024-11-12 17:08:26,688 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 163 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 2327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:26,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 681 Invalid, 2327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 17:08:26,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14580 states. [2024-11-12 17:08:27,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14580 to 14350. [2024-11-12 17:08:27,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14350 states, 13447 states have (on average 1.034580203762921) internal successors, (13912), 13449 states have internal predecessors, (13912), 898 states have call successors, (898), 2 states have call predecessors, (898), 2 states have return successors, (898), 898 states have call predecessors, (898), 898 states have call successors, (898) [2024-11-12 17:08:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14350 states to 14350 states and 15708 transitions. [2024-11-12 17:08:27,567 INFO L78 Accepts]: Start accepts. Automaton has 14350 states and 15708 transitions. Word has length 316 [2024-11-12 17:08:27,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:27,568 INFO L471 AbstractCegarLoop]: Abstraction has 14350 states and 15708 transitions. [2024-11-12 17:08:27,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 7.222222222222222) internal successors, (195), 28 states have internal predecessors, (195), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-12 17:08:27,568 INFO L276 IsEmpty]: Start isEmpty. Operand 14350 states and 15708 transitions. [2024-11-12 17:08:27,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-12 17:08:27,572 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:27,572 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:27,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-12 17:08:27,773 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 17:08:27,773 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-12 17:08:27,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:27,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1531816124, now seen corresponding path program 17 times [2024-11-12 17:08:27,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:27,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155958759] [2024-11-12 17:08:27,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:27,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:08:27,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [841948440] [2024-11-12 17:08:27,806 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-12 17:08:27,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:27,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:27,809 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 17:08:27,811 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 17:08:27,944 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-12 17:08:27,944 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:08:27,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-12 17:08:27,952 INFO L279 TraceCheckSpWp]: Computing forward predicates...