./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound2.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 1c1067a232ccde2ed577e0679695f102973a28bf8615edad0a3c87e54d273eb4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:53:57,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:53:57,288 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:53:57,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:53:57,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:53:57,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:53:57,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:53:57,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:53:57,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:53:57,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:53:57,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:53:57,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:53:57,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:53:57,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:53:57,331 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:53:57,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:53:57,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:53:57,332 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:53:57,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:53:57,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:53:57,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:53:57,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:53:57,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:53:57,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:53:57,334 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:53:57,334 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:53:57,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:53:57,334 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:53:57,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:53:57,335 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:53:57,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:53:57,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:53:57,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:53:57,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:53:57,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:53:57,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:53:57,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:53:57,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:53:57,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:53:57,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:53:57,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:53:57,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:53:57,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:53:57,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:53:57,340 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c1067a232ccde2ed577e0679695f102973a28bf8615edad0a3c87e54d273eb4 [2024-10-13 13:53:57,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:53:57,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:53:57,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:53:57,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:53:57,592 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:53:57,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound2.c [2024-10-13 13:53:59,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:53:59,183 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:53:59,186 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound2.c [2024-10-13 13:53:59,194 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31957eb14/8f08195152b04d6a99c58b7f7d12e374/FLAG958f62614 [2024-10-13 13:53:59,206 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31957eb14/8f08195152b04d6a99c58b7f7d12e374 [2024-10-13 13:53:59,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:53:59,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:53:59,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:53:59,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:53:59,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:53:59,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45df9a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59, skipping insertion in model container [2024-10-13 13:53:59,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:53:59,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:53:59,442 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:53:59,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:53:59,484 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:53:59,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59 WrapperNode [2024-10-13 13:53:59,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:53:59,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:53:59,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:53:59,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:53:59,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,531 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 126 [2024-10-13 13:53:59,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:53:59,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:53:59,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:53:59,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:53:59,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,548 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,559 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]. [2024-10-13 13:53:59,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:53:59,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:53:59,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:53:59,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:53:59,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (1/1) ... [2024-10-13 13:53:59,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:53:59,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:53:59,620 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) [2024-10-13 13:53:59,624 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 [2024-10-13 13:53:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:53:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 13:53:59,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 13:53:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:53:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:53:59,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:53:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:53:59,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:53:59,732 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:53:59,735 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:54:00,308 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-10-13 13:54:00,308 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:54:00,354 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:54:00,354 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 13:54:00,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:54:00 BoogieIcfgContainer [2024-10-13 13:54:00,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:54:00,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:54:00,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:54:00,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:54:00,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:53:59" (1/3) ... [2024-10-13 13:54:00,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd11b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:54:00, skipping insertion in model container [2024-10-13 13:54:00,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:53:59" (2/3) ... [2024-10-13 13:54:00,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd11b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:54:00, skipping insertion in model container [2024-10-13 13:54:00,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:54:00" (3/3) ... [2024-10-13 13:54:00,363 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_valuebound2.c [2024-10-13 13:54:00,380 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:54:00,381 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2024-10-13 13:54:00,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:54:00,462 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;@5b0c985, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:54:00,462 INFO L334 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2024-10-13 13:54:00,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 95 states have (on average 1.936842105263158) internal successors, (184), 179 states have internal predecessors, (184), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:54:00,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 13:54:00,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:00,474 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:00,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:00,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:00,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1162004414, now seen corresponding path program 1 times [2024-10-13 13:54:00,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:00,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337126087] [2024-10-13 13:54:00,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:00,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:00,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:54:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:00,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:54:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:00,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:00,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337126087] [2024-10-13 13:54:00,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337126087] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:54:00,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:54:00,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:54:00,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787046355] [2024-10-13 13:54:00,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:00,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 13:54:00,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:00,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 13:54:00,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:54:00,683 INFO L87 Difference]: Start difference. First operand has 187 states, 95 states have (on average 1.936842105263158) internal successors, (184), 179 states have internal predecessors, (184), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:54:00,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:00,729 INFO L93 Difference]: Finished difference Result 359 states and 390 transitions. [2024-10-13 13:54:00,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 13:54:00,731 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-10-13 13:54:00,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:00,740 INFO L225 Difference]: With dead ends: 359 [2024-10-13 13:54:00,740 INFO L226 Difference]: Without dead ends: 171 [2024-10-13 13:54:00,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:54:00,747 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:00,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:54:00,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-13 13:54:00,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-10-13 13:54:00,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 94 states have (on average 1.7553191489361701) internal successors, (165), 164 states have internal predecessors, (165), 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) [2024-10-13 13:54:00,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2024-10-13 13:54:00,806 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 14 [2024-10-13 13:54:00,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:00,807 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2024-10-13 13:54:00,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:54:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2024-10-13 13:54:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 13:54:00,809 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:00,810 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:00,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:54:00,810 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:00,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:00,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1920324093, now seen corresponding path program 1 times [2024-10-13 13:54:00,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:00,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476105251] [2024-10-13 13:54:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:00,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:00,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:54:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:00,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:54:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:00,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:00,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476105251] [2024-10-13 13:54:00,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476105251] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:54:00,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:54:00,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:54:00,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038034637] [2024-10-13 13:54:00,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:00,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:54:00,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:00,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:54:00,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:54:00,918 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-13 13:54:01,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:01,370 INFO L93 Difference]: Finished difference Result 308 states and 320 transitions. [2024-10-13 13:54:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:54:01,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 14 [2024-10-13 13:54:01,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:01,375 INFO L225 Difference]: With dead ends: 308 [2024-10-13 13:54:01,375 INFO L226 Difference]: Without dead ends: 252 [2024-10-13 13:54:01,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:54:01,378 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 82 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:01,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 124 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:54:01,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-13 13:54:01,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 246. [2024-10-13 13:54:01,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 168 states have (on average 1.505952380952381) internal successors, (253), 238 states have internal predecessors, (253), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:54:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 263 transitions. [2024-10-13 13:54:01,403 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 263 transitions. Word has length 14 [2024-10-13 13:54:01,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:01,406 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 263 transitions. [2024-10-13 13:54:01,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-13 13:54:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 263 transitions. [2024-10-13 13:54:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-13 13:54:01,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:01,409 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:01,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:54:01,410 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:01,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:01,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1713492121, now seen corresponding path program 1 times [2024-10-13 13:54:01,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:01,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798984084] [2024-10-13 13:54:01,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:01,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:01,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:54:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:01,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:54:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:01,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:01,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:01,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798984084] [2024-10-13 13:54:01,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798984084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:54:01,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:54:01,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:54:01,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254199435] [2024-10-13 13:54:01,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:01,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:54:01,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:01,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:54:01,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:54:01,594 INFO L87 Difference]: Start difference. First operand 246 states and 263 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-13 13:54:01,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:01,680 INFO L93 Difference]: Finished difference Result 265 states and 277 transitions. [2024-10-13 13:54:01,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:54:01,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 42 [2024-10-13 13:54:01,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:01,684 INFO L225 Difference]: With dead ends: 265 [2024-10-13 13:54:01,686 INFO L226 Difference]: Without dead ends: 260 [2024-10-13 13:54:01,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:54:01,687 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:01,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 293 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:54:01,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-10-13 13:54:01,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 253. [2024-10-13 13:54:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 175 states have (on average 1.4857142857142858) internal successors, (260), 245 states have internal predecessors, (260), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:54:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 270 transitions. [2024-10-13 13:54:01,711 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 270 transitions. Word has length 42 [2024-10-13 13:54:01,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:01,711 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 270 transitions. [2024-10-13 13:54:01,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-13 13:54:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 270 transitions. [2024-10-13 13:54:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 13:54:01,712 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:01,713 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:01,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 13:54:01,713 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:01,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:01,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1693457243, now seen corresponding path program 1 times [2024-10-13 13:54:01,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:01,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144603062] [2024-10-13 13:54:01,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:01,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:01,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:54:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:01,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:54:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:01,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:01,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:01,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144603062] [2024-10-13 13:54:01,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144603062] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:54:01,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:54:01,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:54:01,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378914617] [2024-10-13 13:54:01,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:01,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:54:01,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:01,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:54:01,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:54:01,843 INFO L87 Difference]: Start difference. First operand 253 states and 270 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-13 13:54:02,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:02,035 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2024-10-13 13:54:02,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:54:02,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 44 [2024-10-13 13:54:02,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:02,037 INFO L225 Difference]: With dead ends: 264 [2024-10-13 13:54:02,037 INFO L226 Difference]: Without dead ends: 259 [2024-10-13 13:54:02,037 INFO L431 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 [2024-10-13 13:54:02,039 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 133 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:02,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 230 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:54:02,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-13 13:54:02,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 253. [2024-10-13 13:54:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 175 states have (on average 1.457142857142857) internal successors, (255), 245 states have internal predecessors, (255), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:54:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 265 transitions. [2024-10-13 13:54:02,055 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 265 transitions. Word has length 44 [2024-10-13 13:54:02,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:02,055 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 265 transitions. [2024-10-13 13:54:02,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-13 13:54:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 265 transitions. [2024-10-13 13:54:02,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-13 13:54:02,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:02,057 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:02,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 13:54:02,057 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:02,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:02,058 INFO L85 PathProgramCache]: Analyzing trace with hash 957567089, now seen corresponding path program 1 times [2024-10-13 13:54:02,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:02,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971112420] [2024-10-13 13:54:02,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:02,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:02,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:54:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:02,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:54:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:02,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:02,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:02,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971112420] [2024-10-13 13:54:02,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971112420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:54:02,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:54:02,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:54:02,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747448560] [2024-10-13 13:54:02,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:02,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:54:02,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:02,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:54:02,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:54:02,179 INFO L87 Difference]: Start difference. First operand 253 states and 265 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-10-13 13:54:02,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:02,633 INFO L93 Difference]: Finished difference Result 263 states and 267 transitions. [2024-10-13 13:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:54:02,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 45 [2024-10-13 13:54:02,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:02,635 INFO L225 Difference]: With dead ends: 263 [2024-10-13 13:54:02,635 INFO L226 Difference]: Without dead ends: 225 [2024-10-13 13:54:02,635 INFO L431 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 [2024-10-13 13:54:02,636 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 82 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:02,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 264 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:54:02,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-10-13 13:54:02,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2024-10-13 13:54:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 141 states have (on average 1.5390070921985815) internal successors, (217), 211 states have internal predecessors, (217), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:54:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 227 transitions. [2024-10-13 13:54:02,646 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 227 transitions. Word has length 45 [2024-10-13 13:54:02,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:02,646 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 227 transitions. [2024-10-13 13:54:02,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-10-13 13:54:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 227 transitions. [2024-10-13 13:54:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-13 13:54:02,648 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:02,648 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:02,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 13:54:02,648 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:02,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:02,649 INFO L85 PathProgramCache]: Analyzing trace with hash -280525862, now seen corresponding path program 1 times [2024-10-13 13:54:02,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:02,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878777937] [2024-10-13 13:54:02,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:02,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:54:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:02,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:54:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:02,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 13:54:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:02,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:02,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878777937] [2024-10-13 13:54:02,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878777937] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:54:02,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:54:02,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:54:02,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894682151] [2024-10-13 13:54:02,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:02,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:54:02,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:02,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:54:02,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:54:02,744 INFO L87 Difference]: Start difference. First operand 219 states and 227 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-10-13 13:54:02,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:02,764 INFO L93 Difference]: Finished difference Result 221 states and 227 transitions. [2024-10-13 13:54:02,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:54:02,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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 54 [2024-10-13 13:54:02,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:02,767 INFO L225 Difference]: With dead ends: 221 [2024-10-13 13:54:02,768 INFO L226 Difference]: Without dead ends: 219 [2024-10-13 13:54:02,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:54:02,769 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:02,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 334 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:54:02,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-10-13 13:54:02,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-10-13 13:54:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 141 states have (on average 1.524822695035461) internal successors, (215), 211 states have internal predecessors, (215), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:54:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 225 transitions. [2024-10-13 13:54:02,777 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 225 transitions. Word has length 54 [2024-10-13 13:54:02,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:02,778 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 225 transitions. [2024-10-13 13:54:02,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-10-13 13:54:02,778 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 225 transitions. [2024-10-13 13:54:02,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-13 13:54:02,779 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:02,780 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:02,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 13:54:02,780 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:02,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:02,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1964749084, now seen corresponding path program 1 times [2024-10-13 13:54:02,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:02,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845936869] [2024-10-13 13:54:02,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:02,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:54:02,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1106882650] [2024-10-13 13:54:02,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:02,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:54:02,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:54:02,815 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) [2024-10-13 13:54:02,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:54:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:02,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:54:02,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:54:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:03,009 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:54:03,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:03,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845936869] [2024-10-13 13:54:03,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:54:03,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106882650] [2024-10-13 13:54:03,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106882650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:54:03,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:54:03,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:54:03,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464816846] [2024-10-13 13:54:03,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:03,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:54:03,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:03,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:54:03,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:54:03,013 INFO L87 Difference]: Start difference. First operand 219 states and 225 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-10-13 13:54:03,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:03,373 INFO L93 Difference]: Finished difference Result 358 states and 374 transitions. [2024-10-13 13:54:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:54:03,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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 59 [2024-10-13 13:54:03,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:03,376 INFO L225 Difference]: With dead ends: 358 [2024-10-13 13:54:03,376 INFO L226 Difference]: Without dead ends: 304 [2024-10-13 13:54:03,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:54:03,377 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 90 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:03,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 149 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:54:03,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-13 13:54:03,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 298. [2024-10-13 13:54:03,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 218 states have (on average 1.4036697247706422) internal successors, (306), 288 states have internal predecessors, (306), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:54:03,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 320 transitions. [2024-10-13 13:54:03,387 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 320 transitions. Word has length 59 [2024-10-13 13:54:03,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:03,387 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 320 transitions. [2024-10-13 13:54:03,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-10-13 13:54:03,388 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 320 transitions. [2024-10-13 13:54:03,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-13 13:54:03,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:03,389 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:03,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:54:03,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:54:03,594 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:03,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:03,594 INFO L85 PathProgramCache]: Analyzing trace with hash -69304982, now seen corresponding path program 1 times [2024-10-13 13:54:03,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:03,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51149999] [2024-10-13 13:54:03,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:03,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:03,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:54:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:03,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:54:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:03,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 13:54:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:03,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:03,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51149999] [2024-10-13 13:54:03,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51149999] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:54:03,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:54:03,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:54:03,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150259806] [2024-10-13 13:54:03,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:03,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:54:03,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:03,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:54:03,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:54:03,711 INFO L87 Difference]: Start difference. First operand 298 states and 320 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-10-13 13:54:07,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:11,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:11,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:11,991 INFO L93 Difference]: Finished difference Result 299 states and 320 transitions. [2024-10-13 13:54:11,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:54:11,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 65 [2024-10-13 13:54:11,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:11,994 INFO L225 Difference]: With dead ends: 299 [2024-10-13 13:54:11,994 INFO L226 Difference]: Without dead ends: 298 [2024-10-13 13:54:11,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:54:11,994 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 39 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:11,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 298 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2024-10-13 13:54:11,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-10-13 13:54:12,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2024-10-13 13:54:12,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 218 states have (on average 1.3990825688073394) internal successors, (305), 288 states have internal predecessors, (305), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:54:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 319 transitions. [2024-10-13 13:54:12,004 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 319 transitions. Word has length 65 [2024-10-13 13:54:12,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:12,004 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 319 transitions. [2024-10-13 13:54:12,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-10-13 13:54:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 319 transitions. [2024-10-13 13:54:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-13 13:54:12,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:12,006 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:12,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 13:54:12,006 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:12,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:12,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1220812152, now seen corresponding path program 1 times [2024-10-13 13:54:12,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:12,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881939891] [2024-10-13 13:54:12,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:12,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:54:12,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1594666940] [2024-10-13 13:54:12,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:12,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:54:12,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:54:12,030 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) [2024-10-13 13:54:12,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:54:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:12,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:54:12,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:54:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-13 13:54:12,283 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:54:12,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:12,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881939891] [2024-10-13 13:54:12,284 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:54:12,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594666940] [2024-10-13 13:54:12,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594666940] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:54:12,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:54:12,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:54:12,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719768467] [2024-10-13 13:54:12,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:12,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:54:12,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:12,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:54:12,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:54:12,286 INFO L87 Difference]: Start difference. First operand 298 states and 319 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-10-13 13:54:12,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:12,413 INFO L93 Difference]: Finished difference Result 298 states and 319 transitions. [2024-10-13 13:54:12,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:54:12,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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 95 [2024-10-13 13:54:12,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:12,415 INFO L225 Difference]: With dead ends: 298 [2024-10-13 13:54:12,415 INFO L226 Difference]: Without dead ends: 295 [2024-10-13 13:54:12,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:54:12,416 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 95 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:12,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 156 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:54:12,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-10-13 13:54:12,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-10-13 13:54:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 218 states have (on average 1.3761467889908257) internal successors, (300), 285 states have internal predecessors, (300), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:54:12,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 314 transitions. [2024-10-13 13:54:12,425 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 314 transitions. Word has length 95 [2024-10-13 13:54:12,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:12,425 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 314 transitions. [2024-10-13 13:54:12,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-10-13 13:54:12,425 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 314 transitions. [2024-10-13 13:54:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-13 13:54:12,427 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:12,427 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:12,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 13:54:12,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-13 13:54:12,631 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:12,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:12,631 INFO L85 PathProgramCache]: Analyzing trace with hash 809529056, now seen corresponding path program 1 times [2024-10-13 13:54:12,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:12,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779030688] [2024-10-13 13:54:12,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:12,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:54:12,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1818387953] [2024-10-13 13:54:12,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:12,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:54:12,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:54:12,669 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) [2024-10-13 13:54:12,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:54:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:12,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:54:12,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:54:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:13,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:54:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:13,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:13,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779030688] [2024-10-13 13:54:13,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:54:13,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818387953] [2024-10-13 13:54:13,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818387953] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:54:13,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:54:13,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-13 13:54:13,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311915841] [2024-10-13 13:54:13,241 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:54:13,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:54:13,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:13,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:54:13,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:54:13,243 INFO L87 Difference]: Start difference. First operand 295 states and 314 transitions. Second operand has 8 states, 7 states have (on average 23.857142857142858) internal successors, (167), 8 states have internal predecessors, (167), 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) [2024-10-13 13:54:14,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:14,069 INFO L93 Difference]: Finished difference Result 367 states and 382 transitions. [2024-10-13 13:54:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:54:14,069 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.857142857142858) internal successors, (167), 8 states have internal predecessors, (167), 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 96 [2024-10-13 13:54:14,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:14,070 INFO L225 Difference]: With dead ends: 367 [2024-10-13 13:54:14,071 INFO L226 Difference]: Without dead ends: 360 [2024-10-13 13:54:14,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:54:14,071 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 284 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:14,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 300 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:54:14,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-13 13:54:14,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 333. [2024-10-13 13:54:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 257 states have (on average 1.3968871595330739) internal successors, (359), 323 states have internal predecessors, (359), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:54:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 373 transitions. [2024-10-13 13:54:14,089 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 373 transitions. Word has length 96 [2024-10-13 13:54:14,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:14,090 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 373 transitions. [2024-10-13 13:54:14,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.857142857142858) internal successors, (167), 8 states have internal predecessors, (167), 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) [2024-10-13 13:54:14,090 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 373 transitions. [2024-10-13 13:54:14,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-13 13:54:14,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:14,091 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:14,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:54:14,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:54:14,292 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:14,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:14,292 INFO L85 PathProgramCache]: Analyzing trace with hash -674402934, now seen corresponding path program 1 times [2024-10-13 13:54:14,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:14,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863577842] [2024-10-13 13:54:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:14,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:54:14,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1846439757] [2024-10-13 13:54:14,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:14,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:54:14,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:54:14,326 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) [2024-10-13 13:54:14,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:54:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:14,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:54:14,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:54:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:14,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:54:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:20,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:20,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863577842] [2024-10-13 13:54:20,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:54:20,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846439757] [2024-10-13 13:54:20,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846439757] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:54:20,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:54:20,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-10-13 13:54:20,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543553060] [2024-10-13 13:54:20,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:20,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:54:20,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:20,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:54:20,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=39, Unknown=1, NotChecked=0, Total=72 [2024-10-13 13:54:20,855 INFO L87 Difference]: Start difference. First operand 333 states and 373 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 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) [2024-10-13 13:54:25,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:27,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:31,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:33,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:38,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:42,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:44,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:48,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:52,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:55,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:57,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:54:57,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:57,324 INFO L93 Difference]: Finished difference Result 333 states and 373 transitions. [2024-10-13 13:54:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:54:57,324 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 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 97 [2024-10-13 13:54:57,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:57,326 INFO L225 Difference]: With dead ends: 333 [2024-10-13 13:54:57,326 INFO L226 Difference]: Without dead ends: 331 [2024-10-13 13:54:57,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=41, Invalid=48, Unknown=1, NotChecked=0, Total=90 [2024-10-13 13:54:57,327 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 147 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 8 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:57,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 66 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 416 Invalid, 6 Unknown, 0 Unchecked, 36.4s Time] [2024-10-13 13:54:57,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-13 13:54:57,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2024-10-13 13:54:57,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 257 states have (on average 1.3813229571984436) internal successors, (355), 321 states have internal predecessors, (355), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:54:57,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 369 transitions. [2024-10-13 13:54:57,343 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 369 transitions. Word has length 97 [2024-10-13 13:54:57,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:57,344 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 369 transitions. [2024-10-13 13:54:57,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 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) [2024-10-13 13:54:57,344 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 369 transitions. [2024-10-13 13:54:57,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-13 13:54:57,346 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:57,346 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:57,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 13:54:57,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:54:57,547 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:57,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:57,548 INFO L85 PathProgramCache]: Analyzing trace with hash 568345634, now seen corresponding path program 1 times [2024-10-13 13:54:57,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:57,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954908076] [2024-10-13 13:54:57,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:57,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:54:57,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [551630829] [2024-10-13 13:54:57,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:57,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:54:57,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:54:57,584 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) [2024-10-13 13:54:57,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:54:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:57,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:54:57,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:54:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:57,786 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:54:57,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:57,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954908076] [2024-10-13 13:54:57,787 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:54:57,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551630829] [2024-10-13 13:54:57,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551630829] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:54:57,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:54:57,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:54:57,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799968107] [2024-10-13 13:54:57,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:57,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:54:57,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:57,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:54:57,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:54:57,790 INFO L87 Difference]: Start difference. First operand 331 states and 369 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 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) [2024-10-13 13:54:58,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:54:58,228 INFO L93 Difference]: Finished difference Result 331 states and 369 transitions. [2024-10-13 13:54:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:54:58,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 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 98 [2024-10-13 13:54:58,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:54:58,230 INFO L225 Difference]: With dead ends: 331 [2024-10-13 13:54:58,230 INFO L226 Difference]: Without dead ends: 311 [2024-10-13 13:54:58,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:54:58,231 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 114 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:54:58,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 69 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:54:58,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-10-13 13:54:58,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-10-13 13:54:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 257 states have (on average 1.264591439688716) internal successors, (325), 301 states have internal predecessors, (325), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:54:58,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 339 transitions. [2024-10-13 13:54:58,242 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 339 transitions. Word has length 98 [2024-10-13 13:54:58,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:54:58,243 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 339 transitions. [2024-10-13 13:54:58,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 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) [2024-10-13 13:54:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 339 transitions. [2024-10-13 13:54:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-13 13:54:58,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:54:58,244 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:54:58,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 13:54:58,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-13 13:54:58,449 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:54:58,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:54:58,449 INFO L85 PathProgramCache]: Analyzing trace with hash 438845580, now seen corresponding path program 1 times [2024-10-13 13:54:58,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:54:58,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898310847] [2024-10-13 13:54:58,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:58,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:54:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:54:58,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1697580119] [2024-10-13 13:54:58,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:54:58,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:54:58,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:54:58,475 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) [2024-10-13 13:54:58,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:54:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:54:58,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:54:58,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:54:58,785 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:54:58,785 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:54:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-13 13:54:59,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:54:59,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898310847] [2024-10-13 13:54:59,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:54:59,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697580119] [2024-10-13 13:54:59,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697580119] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:54:59,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:54:59,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-13 13:54:59,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086192508] [2024-10-13 13:54:59,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:54:59,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:54:59,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:54:59,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:54:59,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:54:59,074 INFO L87 Difference]: Start difference. First operand 311 states and 339 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-10-13 13:55:00,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:55:01,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:55:01,745 INFO L93 Difference]: Finished difference Result 311 states and 339 transitions. [2024-10-13 13:55:01,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:55:01,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 99 [2024-10-13 13:55:01,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:55:01,748 INFO L225 Difference]: With dead ends: 311 [2024-10-13 13:55:01,748 INFO L226 Difference]: Without dead ends: 309 [2024-10-13 13:55:01,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:55:01,750 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 79 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:55:01,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 41 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-13 13:55:01,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-10-13 13:55:01,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2024-10-13 13:55:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 299 states have internal predecessors, (321), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:55:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 335 transitions. [2024-10-13 13:55:01,762 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 335 transitions. Word has length 99 [2024-10-13 13:55:01,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:55:01,763 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 335 transitions. [2024-10-13 13:55:01,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-10-13 13:55:01,763 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 335 transitions. [2024-10-13 13:55:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-13 13:55:01,765 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:55:01,765 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:55:01,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 13:55:01,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:55:01,970 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:55:01,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:55:01,970 INFO L85 PathProgramCache]: Analyzing trace with hash -920443063, now seen corresponding path program 1 times [2024-10-13 13:55:01,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:55:01,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098181182] [2024-10-13 13:55:01,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:01,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:55:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:55:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:55:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 13:55:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:55:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,083 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:55:02,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:55:02,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098181182] [2024-10-13 13:55:02,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098181182] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:55:02,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772636191] [2024-10-13 13:55:02,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:02,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:55:02,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:55:02,085 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) [2024-10-13 13:55:02,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:55:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:55:02,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:55:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:55:02,244 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:55:02,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772636191] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:55:02,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:55:02,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-13 13:55:02,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465999972] [2024-10-13 13:55:02,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:55:02,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:55:02,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:55:02,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:55:02,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:55:02,246 INFO L87 Difference]: Start difference. First operand 309 states and 335 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 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) [2024-10-13 13:55:02,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:55:02,274 INFO L93 Difference]: Finished difference Result 309 states and 335 transitions. [2024-10-13 13:55:02,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:55:02,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 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 107 [2024-10-13 13:55:02,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:55:02,276 INFO L225 Difference]: With dead ends: 309 [2024-10-13 13:55:02,276 INFO L226 Difference]: Without dead ends: 308 [2024-10-13 13:55:02,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:55:02,277 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 25 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:55:02,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 346 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:55:02,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-13 13:55:02,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2024-10-13 13:55:02,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 257 states have (on average 1.2412451361867705) internal successors, (319), 298 states have internal predecessors, (319), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:55:02,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 333 transitions. [2024-10-13 13:55:02,289 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 333 transitions. Word has length 107 [2024-10-13 13:55:02,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:55:02,289 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 333 transitions. [2024-10-13 13:55:02,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 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) [2024-10-13 13:55:02,290 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 333 transitions. [2024-10-13 13:55:02,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-13 13:55:02,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:55:02,291 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:55:02,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 13:55:02,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:55:02,492 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:55:02,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:55:02,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1531036241, now seen corresponding path program 1 times [2024-10-13 13:55:02,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:55:02,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355204670] [2024-10-13 13:55:02,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:02,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:55:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:55:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:55:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 13:55:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:55:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,606 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:55:02,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:55:02,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355204670] [2024-10-13 13:55:02,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355204670] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:55:02,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464664144] [2024-10-13 13:55:02,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:02,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:55:02,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:55:02,609 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) [2024-10-13 13:55:02,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:55:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:02,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:55:02,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:55:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:55:02,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:55:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:55:02,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464664144] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:55:02,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:55:02,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-13 13:55:02,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147730161] [2024-10-13 13:55:02,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:55:02,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:55:02,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:55:02,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:55:02,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:55:02,907 INFO L87 Difference]: Start difference. First operand 308 states and 333 transitions. Second operand has 7 states, 6 states have (on average 36.666666666666664) internal successors, (220), 7 states have internal predecessors, (220), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-13 13:55:02,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:55:02,957 INFO L93 Difference]: Finished difference Result 407 states and 420 transitions. [2024-10-13 13:55:02,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:55:02,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 36.666666666666664) internal successors, (220), 7 states have internal predecessors, (220), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 108 [2024-10-13 13:55:02,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:55:02,959 INFO L225 Difference]: With dead ends: 407 [2024-10-13 13:55:02,960 INFO L226 Difference]: Without dead ends: 406 [2024-10-13 13:55:02,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:55:02,960 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 68 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:55:02,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 528 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:55:02,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-10-13 13:55:02,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 365. [2024-10-13 13:55:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 312 states have (on average 1.2788461538461537) internal successors, (399), 353 states have internal predecessors, (399), 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) [2024-10-13 13:55:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 417 transitions. [2024-10-13 13:55:02,979 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 417 transitions. Word has length 108 [2024-10-13 13:55:02,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:55:02,980 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 417 transitions. [2024-10-13 13:55:02,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 36.666666666666664) internal successors, (220), 7 states have internal predecessors, (220), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-13 13:55:02,980 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 417 transitions. [2024-10-13 13:55:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-13 13:55:02,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:55:02,982 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:55:02,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-13 13:55:03,183 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,SelfDestructingSolverStorable14 [2024-10-13 13:55:03,183 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:55:03,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:55:03,184 INFO L85 PathProgramCache]: Analyzing trace with hash -423331491, now seen corresponding path program 1 times [2024-10-13 13:55:03,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:55:03,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970436987] [2024-10-13 13:55:03,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:03,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:55:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:03,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:55:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:03,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:55:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 13:55:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:03,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:55:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-13 13:55:03,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:55:03,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970436987] [2024-10-13 13:55:03,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970436987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:55:03,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:55:03,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:55:03,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246719213] [2024-10-13 13:55:03,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:55:03,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:55:03,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:55:03,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:55:03,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:55:03,259 INFO L87 Difference]: Start difference. First operand 365 states and 417 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-10-13 13:55:03,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:55:03,497 INFO L93 Difference]: Finished difference Result 365 states and 417 transitions. [2024-10-13 13:55:03,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:55:03,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 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 120 [2024-10-13 13:55:03,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:55:03,500 INFO L225 Difference]: With dead ends: 365 [2024-10-13 13:55:03,500 INFO L226 Difference]: Without dead ends: 358 [2024-10-13 13:55:03,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:55:03,501 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 128 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:55:03,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 38 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:55:03,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-10-13 13:55:03,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2024-10-13 13:55:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 312 states have (on average 1.233974358974359) internal successors, (385), 346 states have internal predecessors, (385), 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) [2024-10-13 13:55:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 403 transitions. [2024-10-13 13:55:03,515 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 403 transitions. Word has length 120 [2024-10-13 13:55:03,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:55:03,515 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 403 transitions. [2024-10-13 13:55:03,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-10-13 13:55:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 403 transitions. [2024-10-13 13:55:03,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-13 13:55:03,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:55:03,517 INFO L215 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:55:03,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 13:55:03,517 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:55:03,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:55:03,517 INFO L85 PathProgramCache]: Analyzing trace with hash -238374285, now seen corresponding path program 1 times [2024-10-13 13:55:03,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:55:03,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420814202] [2024-10-13 13:55:03,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:03,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:55:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:03,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:55:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:03,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:55:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:03,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 13:55:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:03,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:55:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-13 13:55:03,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:55:03,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420814202] [2024-10-13 13:55:03,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420814202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:55:03,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:55:03,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:55:03,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131443117] [2024-10-13 13:55:03,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:55:03,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:55:03,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:55:03,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:55:03,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:55:03,600 INFO L87 Difference]: Start difference. First operand 358 states and 403 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-10-13 13:55:03,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:55:03,784 INFO L93 Difference]: Finished difference Result 358 states and 403 transitions. [2024-10-13 13:55:03,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:55:03,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 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 121 [2024-10-13 13:55:03,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:55:03,786 INFO L225 Difference]: With dead ends: 358 [2024-10-13 13:55:03,786 INFO L226 Difference]: Without dead ends: 357 [2024-10-13 13:55:03,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:55:03,787 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 108 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:55:03,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 38 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:55:03,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-10-13 13:55:03,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2024-10-13 13:55:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 345 states have internal predecessors, (382), 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) [2024-10-13 13:55:03,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 400 transitions. [2024-10-13 13:55:03,802 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 400 transitions. Word has length 121 [2024-10-13 13:55:03,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:55:03,803 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 400 transitions. [2024-10-13 13:55:03,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-10-13 13:55:03,803 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 400 transitions. [2024-10-13 13:55:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-13 13:55:03,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:55:03,804 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:55:03,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 13:55:03,804 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:55:03,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:55:03,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1444419595, now seen corresponding path program 1 times [2024-10-13 13:55:03,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:55:03,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439174082] [2024-10-13 13:55:03,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:03,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:55:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:55:03,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1716746850] [2024-10-13 13:55:03,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:03,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:55:03,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:55:03,829 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) [2024-10-13 13:55:03,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:55:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:03,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:55:03,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:55:04,010 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:55:04,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:55:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:55:04,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:55:04,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439174082] [2024-10-13 13:55:04,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:55:04,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716746850] [2024-10-13 13:55:04,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716746850] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:55:04,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:55:04,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-13 13:55:04,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759285521] [2024-10-13 13:55:04,237 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:55:04,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:55:04,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:55:04,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:55:04,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:55:04,239 INFO L87 Difference]: Start difference. First operand 357 states and 400 transitions. Second operand has 8 states, 7 states have (on average 30.142857142857142) internal successors, (211), 8 states have internal predecessors, (211), 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) [2024-10-13 13:55:04,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:55:04,800 INFO L93 Difference]: Finished difference Result 418 states and 453 transitions. [2024-10-13 13:55:04,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:55:04,800 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.142857142857142) internal successors, (211), 8 states have internal predecessors, (211), 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 123 [2024-10-13 13:55:04,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:55:04,802 INFO L225 Difference]: With dead ends: 418 [2024-10-13 13:55:04,802 INFO L226 Difference]: Without dead ends: 388 [2024-10-13 13:55:04,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:55:04,803 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 272 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:55:04,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 191 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:55:04,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-10-13 13:55:04,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 341. [2024-10-13 13:55:04,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 301 states have (on average 1.1661129568106312) internal successors, (351), 330 states have internal predecessors, (351), 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) [2024-10-13 13:55:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 367 transitions. [2024-10-13 13:55:04,819 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 367 transitions. Word has length 123 [2024-10-13 13:55:04,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:55:04,820 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 367 transitions. [2024-10-13 13:55:04,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.142857142857142) internal successors, (211), 8 states have internal predecessors, (211), 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) [2024-10-13 13:55:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 367 transitions. [2024-10-13 13:55:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-13 13:55:04,821 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:55:04,821 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:55:04,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 13:55:05,022 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,SelfDestructingSolverStorable17 [2024-10-13 13:55:05,022 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:55:05,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:55:05,023 INFO L85 PathProgramCache]: Analyzing trace with hash -351277160, now seen corresponding path program 1 times [2024-10-13 13:55:05,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:55:05,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330958842] [2024-10-13 13:55:05,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:05,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:55:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:55:05,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072636591] [2024-10-13 13:55:05,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:05,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:55:05,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:55:05,069 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) [2024-10-13 13:55:05,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:55:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:05,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:55:05,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:55:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:55:05,485 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:55:07,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:55:07,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330958842] [2024-10-13 13:55:07,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:55:07,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072636591] [2024-10-13 13:55:07,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072636591] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:55:07,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:55:07,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-13 13:55:07,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702005370] [2024-10-13 13:55:07,046 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:55:07,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:55:07,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:55:07,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:55:07,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:55:07,048 INFO L87 Difference]: Start difference. First operand 341 states and 367 transitions. Second operand has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 7 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-13 13:55:07,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:55:07,306 INFO L93 Difference]: Finished difference Result 379 states and 406 transitions. [2024-10-13 13:55:07,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:55:07,307 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 7 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 146 [2024-10-13 13:55:07,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:55:07,308 INFO L225 Difference]: With dead ends: 379 [2024-10-13 13:55:07,308 INFO L226 Difference]: Without dead ends: 378 [2024-10-13 13:55:07,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:55:07,309 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 22 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:55:07,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 253 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:55:07,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-13 13:55:07,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 377. [2024-10-13 13:55:07,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 336 states have (on average 1.1488095238095237) internal successors, (386), 365 states have internal predecessors, (386), 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) [2024-10-13 13:55:07,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 404 transitions. [2024-10-13 13:55:07,326 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 404 transitions. Word has length 146 [2024-10-13 13:55:07,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:55:07,326 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 404 transitions. [2024-10-13 13:55:07,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 7 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-13 13:55:07,327 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 404 transitions. [2024-10-13 13:55:07,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-13 13:55:07,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:55:07,329 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:55:07,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 13:55:07,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:55:07,530 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:55:07,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:55:07,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1995310146, now seen corresponding path program 1 times [2024-10-13 13:55:07,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:55:07,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722194107] [2024-10-13 13:55:07,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:07,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:55:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:55:07,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [581300648] [2024-10-13 13:55:07,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:07,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:55:07,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:55:07,552 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) [2024-10-13 13:55:07,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:55:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:07,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:55:07,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:55:07,931 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:55:07,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:55:10,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:55:10,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722194107] [2024-10-13 13:55:10,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:55:10,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581300648] [2024-10-13 13:55:10,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581300648] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:55:10,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:55:10,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-13 13:55:10,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869536167] [2024-10-13 13:55:10,096 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:55:10,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:55:10,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:55:10,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:55:10,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:55:10,097 INFO L87 Difference]: Start difference. First operand 377 states and 404 transitions. Second operand has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-13 13:55:10,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:55:10,441 INFO L93 Difference]: Finished difference Result 379 states and 405 transitions. [2024-10-13 13:55:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:55:10,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 147 [2024-10-13 13:55:10,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:55:10,443 INFO L225 Difference]: With dead ends: 379 [2024-10-13 13:55:10,443 INFO L226 Difference]: Without dead ends: 341 [2024-10-13 13:55:10,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:55:10,444 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 20 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:55:10,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 274 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:55:10,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-10-13 13:55:10,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2024-10-13 13:55:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 301 states have (on average 1.1627906976744187) internal successors, (350), 330 states have internal predecessors, (350), 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) [2024-10-13 13:55:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 366 transitions. [2024-10-13 13:55:10,458 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 366 transitions. Word has length 147 [2024-10-13 13:55:10,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:55:10,459 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 366 transitions. [2024-10-13 13:55:10,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-13 13:55:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 366 transitions. [2024-10-13 13:55:10,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-13 13:55:10,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:55:10,461 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:55:10,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 13:55:10,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:55:10,662 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:55:10,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:55:10,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1439281792, now seen corresponding path program 1 times [2024-10-13 13:55:10,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:55:10,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229169833] [2024-10-13 13:55:10,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:10,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:55:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:10,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:55:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:11,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:55:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:11,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 13:55:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:11,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:55:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:11,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 13:55:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 61 proven. 79 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 13:55:11,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:55:11,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229169833] [2024-10-13 13:55:11,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229169833] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:55:11,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128916516] [2024-10-13 13:55:11,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:11,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:55:11,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:55:11,027 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) [2024-10-13 13:55:11,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:55:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:55:11,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:55:11,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:55:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 13:55:11,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:55:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 13:55:12,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128916516] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:55:12,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:55:12,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-10-13 13:55:12,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179974287] [2024-10-13 13:55:12,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:55:12,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:55:12,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:55:12,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:55:12,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:55:12,012 INFO L87 Difference]: Start difference. First operand 341 states and 366 transitions. Second operand has 16 states, 16 states have (on average 26.125) internal successors, (418), 14 states have internal predecessors, (418), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2024-10-13 13:55:12,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:55:12,117 INFO L93 Difference]: Finished difference Result 359 states and 383 transitions. [2024-10-13 13:55:12,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:55:12,118 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 26.125) internal successors, (418), 14 states have internal predecessors, (418), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) Word has length 166 [2024-10-13 13:55:12,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:55:12,120 INFO L225 Difference]: With dead ends: 359 [2024-10-13 13:55:12,120 INFO L226 Difference]: Without dead ends: 188 [2024-10-13 13:55:12,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:55:12,121 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 73 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:55:12,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1109 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:55:12,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-10-13 13:55:12,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2024-10-13 13:55:12,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 176 states have (on average 1.0056818181818181) internal successors, (177), 177 states have internal predecessors, (177), 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) [2024-10-13 13:55:12,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 189 transitions. [2024-10-13 13:55:12,132 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 189 transitions. Word has length 166 [2024-10-13 13:55:12,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:55:12,133 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 189 transitions. [2024-10-13 13:55:12,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 26.125) internal successors, (418), 14 states have internal predecessors, (418), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2024-10-13 13:55:12,133 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 189 transitions. [2024-10-13 13:55:12,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 13:55:12,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:55:12,135 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:55:12,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 13:55:12,335 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,SelfDestructingSolverStorable20 [2024-10-13 13:55:12,335 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-13 13:55:12,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:55:12,336 INFO L85 PathProgramCache]: Analyzing trace with hash 396242567, now seen corresponding path program 2 times [2024-10-13 13:55:12,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:55:12,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278019095] [2024-10-13 13:55:12,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:55:12,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:55:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:55:12,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1208955782] [2024-10-13 13:55:12,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:55:12,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:55:12,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:55:12,381 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) [2024-10-13 13:55:12,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:55:12,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 13:55:12,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:55:12,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:55:12,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:55:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-10-13 13:55:13,091 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:55:13,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:55:13,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278019095] [2024-10-13 13:55:13,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:55:13,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208955782] [2024-10-13 13:55:13,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208955782] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:55:13,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:55:13,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:55:13,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633603053] [2024-10-13 13:55:13,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:55:13,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:55:13,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:55:13,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:55:13,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:55:13,093 INFO L87 Difference]: Start difference. First operand 186 states and 189 transitions. Second operand has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:55:13,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:55:13,232 INFO L93 Difference]: Finished difference Result 186 states and 189 transitions. [2024-10-13 13:55:13,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:55:13,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-10-13 13:55:13,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:55:13,233 INFO L225 Difference]: With dead ends: 186 [2024-10-13 13:55:13,233 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 13:55:13,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:55:13,234 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 66 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:55:13,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 43 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:55:13,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 13:55:13,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 13:55:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:55:13,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 13:55:13,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 199 [2024-10-13 13:55:13,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:55:13,235 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 13:55:13,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:55:13,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 13:55:13,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 13:55:13,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 84 remaining) [2024-10-13 13:55:13,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 84 remaining) [2024-10-13 13:55:13,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 84 remaining) [2024-10-13 13:55:13,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 84 remaining) [2024-10-13 13:55:13,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 84 remaining) [2024-10-13 13:55:13,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 84 remaining) [2024-10-13 13:55:13,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 84 remaining) [2024-10-13 13:55:13,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 84 remaining) [2024-10-13 13:55:13,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 84 remaining) [2024-10-13 13:55:13,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 84 remaining) [2024-10-13 13:55:13,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 84 remaining) [2024-10-13 13:55:13,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 84 remaining) [2024-10-13 13:55:13,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 84 remaining) [2024-10-13 13:55:13,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 84 remaining) [2024-10-13 13:55:13,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 84 remaining) [2024-10-13 13:55:13,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 84 remaining) [2024-10-13 13:55:13,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 84 remaining) [2024-10-13 13:55:13,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 84 remaining) [2024-10-13 13:55:13,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 84 remaining) [2024-10-13 13:55:13,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 84 remaining) [2024-10-13 13:55:13,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 84 remaining) [2024-10-13 13:55:13,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 84 remaining) [2024-10-13 13:55:13,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 84 remaining) [2024-10-13 13:55:13,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 84 remaining) [2024-10-13 13:55:13,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 84 remaining) [2024-10-13 13:55:13,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 84 remaining) [2024-10-13 13:55:13,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 84 remaining) [2024-10-13 13:55:13,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 84 remaining) [2024-10-13 13:55:13,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 84 remaining) [2024-10-13 13:55:13,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 84 remaining) [2024-10-13 13:55:13,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 84 remaining) [2024-10-13 13:55:13,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 84 remaining) [2024-10-13 13:55:13,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 84 remaining) [2024-10-13 13:55:13,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 84 remaining) [2024-10-13 13:55:13,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 84 remaining) [2024-10-13 13:55:13,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 84 remaining) [2024-10-13 13:55:13,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 84 remaining) [2024-10-13 13:55:13,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 84 remaining) [2024-10-13 13:55:13,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 84 remaining) [2024-10-13 13:55:13,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 84 remaining) [2024-10-13 13:55:13,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 84 remaining) [2024-10-13 13:55:13,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 84 remaining) [2024-10-13 13:55:13,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 84 remaining) [2024-10-13 13:55:13,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 84 remaining) [2024-10-13 13:55:13,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 84 remaining) [2024-10-13 13:55:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 84 remaining) [2024-10-13 13:55:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 84 remaining) [2024-10-13 13:55:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 84 remaining) [2024-10-13 13:55:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 84 remaining) [2024-10-13 13:55:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 84 remaining) [2024-10-13 13:55:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 84 remaining) [2024-10-13 13:55:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 84 remaining) [2024-10-13 13:55:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 84 remaining) [2024-10-13 13:55:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 84 remaining) [2024-10-13 13:55:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 84 remaining) [2024-10-13 13:55:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 84 remaining) [2024-10-13 13:55:13,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 84 remaining) [2024-10-13 13:55:13,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 84 remaining) [2024-10-13 13:55:13,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 84 remaining) [2024-10-13 13:55:13,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 84 remaining) [2024-10-13 13:55:13,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 84 remaining) [2024-10-13 13:55:13,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 84 remaining) [2024-10-13 13:55:13,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 84 remaining) [2024-10-13 13:55:13,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 84 remaining) [2024-10-13 13:55:13,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 84 remaining) [2024-10-13 13:55:13,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 84 remaining) [2024-10-13 13:55:13,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 84 remaining) [2024-10-13 13:55:13,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 84 remaining) [2024-10-13 13:55:13,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 84 remaining) [2024-10-13 13:55:13,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 84 remaining) [2024-10-13 13:55:13,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 84 remaining) [2024-10-13 13:55:13,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 84 remaining) [2024-10-13 13:55:13,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 84 remaining) [2024-10-13 13:55:13,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 84 remaining) [2024-10-13 13:55:13,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 84 remaining) [2024-10-13 13:55:13,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 84 remaining) [2024-10-13 13:55:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 84 remaining) [2024-10-13 13:55:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 84 remaining) [2024-10-13 13:55:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 84 remaining) [2024-10-13 13:55:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 84 remaining) [2024-10-13 13:55:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 84 remaining) [2024-10-13 13:55:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 84 remaining) [2024-10-13 13:55:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 84 remaining) [2024-10-13 13:55:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 84 remaining) [2024-10-13 13:55:13,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-13 13:55:13,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-13 13:55:13,450 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:55:13,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 13:55:13,630 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 13:55:13,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:55:13 BoogieIcfgContainer [2024-10-13 13:55:13,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 13:55:13,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 13:55:13,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 13:55:13,652 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 13:55:13,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:54:00" (3/4) ... [2024-10-13 13:55:13,654 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 13:55:13,657 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-13 13:55:13,657 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-13 13:55:13,662 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-13 13:55:13,662 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 13:55:13,663 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 13:55:13,663 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 13:55:13,767 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 13:55:13,767 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 13:55:13,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 13:55:13,768 INFO L158 Benchmark]: Toolchain (without parser) took 74558.04ms. Allocated memory was 138.4MB in the beginning and 228.6MB in the end (delta: 90.2MB). Free memory was 83.9MB in the beginning and 155.0MB in the end (delta: -71.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-10-13 13:55:13,768 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 138.4MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 13:55:13,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.20ms. Allocated memory is still 138.4MB. Free memory was 83.6MB in the beginning and 71.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 13:55:13,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.52ms. Allocated memory is still 138.4MB. Free memory was 71.3MB in the beginning and 68.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:55:13,769 INFO L158 Benchmark]: Boogie Preprocessor took 38.85ms. Allocated memory is still 138.4MB. Free memory was 68.8MB in the beginning and 67.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:55:13,770 INFO L158 Benchmark]: RCFGBuilder took 779.51ms. Allocated memory was 138.4MB in the beginning and 228.6MB in the end (delta: 90.2MB). Free memory was 67.1MB in the beginning and 182.7MB in the end (delta: -115.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-10-13 13:55:13,770 INFO L158 Benchmark]: TraceAbstraction took 73295.21ms. Allocated memory is still 228.6MB. Free memory was 181.7MB in the beginning and 161.3MB in the end (delta: 20.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-10-13 13:55:13,770 INFO L158 Benchmark]: Witness Printer took 115.41ms. Allocated memory is still 228.6MB. Free memory was 161.3MB in the beginning and 155.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 13:55:13,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 138.4MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.20ms. Allocated memory is still 138.4MB. Free memory was 83.6MB in the beginning and 71.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.52ms. Allocated memory is still 138.4MB. Free memory was 71.3MB in the beginning and 68.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.85ms. Allocated memory is still 138.4MB. Free memory was 68.8MB in the beginning and 67.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 779.51ms. Allocated memory was 138.4MB in the beginning and 228.6MB in the end (delta: 90.2MB). Free memory was 67.1MB in the beginning and 182.7MB in the end (delta: -115.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * TraceAbstraction took 73295.21ms. Allocated memory is still 228.6MB. Free memory was 181.7MB in the beginning and 161.3MB in the end (delta: 20.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Witness Printer took 115.41ms. Allocated memory is still 228.6MB. Free memory was 161.3MB in the beginning and 155.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 187 locations, 84 error locations. Started 1 CEGAR loops. OverallTime: 73.0s, OverallIterations: 22, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 52.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 2010 SdHoareTripleChecker+Valid, 51.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1986 mSDsluCounter, 5319 SdHoareTripleChecker+Invalid, 51.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3222 mSDsCounter, 222 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5138 IncrementalHoareTripleChecker+Invalid, 5368 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 222 mSolverCounterUnsat, 2097 mSDtfsCounter, 5138 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2519 GetRequests, 2423 SyntacticMatches, 2 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=377occurred in iteration=19, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 149 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 16.0s InterpolantComputationTime, 3599 NumberOfCodeBlocks, 3448 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 3098 ConstructedInterpolants, 0 QuantifiedInterpolants, 21766 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2014 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 31 InterpolantComputations, 16 PerfectInterpolantSequences, 968/1528 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 84 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((0 <= k) && (2 <= c)) && (k <= 2)) && (2 == y)) && (x <= 307445734561825860)) && (c <= 9223372036854775805)) && (16 <= x)) || (((((k <= 2) && (c == 1)) && (x == 1)) && (y == 1)) && (1 <= k))) || (((((0 <= k) && (c == 0)) && (k <= 2)) && (y == 0)) && (x == 0))) - ProcedureContractResult [Line: 6]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-13 13:55:13,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE