./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/twisted.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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/termination-numeric/twisted.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:15:13,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:15:13,875 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 20:15:13,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:15:13,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:15:13,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:15:13,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:15:13,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:15:13,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:15:13,909 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:15:13,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:15:13,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:15:13,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:15:13,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:15:13,911 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:15:13,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:15:13,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:15:13,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:15:13,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:15:13,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:15:13,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:15:13,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:15:13,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:15:13,914 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:15:13,915 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:15:13,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:15:13,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:15:13,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:15:13,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:15:13,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:15:13,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:15:13,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:15:13,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:15:13,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:15:13,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:15:13,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:15:13,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:15:13,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:15:13,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:15:13,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:15:13,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:15:13,919 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 [2024-10-14 20:15:14,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:15:14,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:15:14,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:15:14,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:15:14,200 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:15:14,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/twisted.c [2024-10-14 20:15:15,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:15:15,770 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:15:15,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/twisted.c [2024-10-14 20:15:15,776 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a406f8e11/413838560ee348e2bbc0bfe895e20332/FLAGf0634c7a6 [2024-10-14 20:15:15,788 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a406f8e11/413838560ee348e2bbc0bfe895e20332 [2024-10-14 20:15:15,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:15:15,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:15:15,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:15:15,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:15:15,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:15:15,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:15:15" (1/1) ... [2024-10-14 20:15:15,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e141fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:15, skipping insertion in model container [2024-10-14 20:15:15,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:15:15" (1/1) ... [2024-10-14 20:15:15,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:15:15,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:15:15,976 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:15:15,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:15:16,005 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:15:16,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16 WrapperNode [2024-10-14 20:15:16,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:15:16,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:15:16,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:15:16,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:15:16,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,037 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2024-10-14 20:15:16,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:15:16,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:15:16,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:15:16,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:15:16,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,057 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 20:15:16,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:15:16,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:15:16,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:15:16,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:15:16,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (1/1) ... [2024-10-14 20:15:16,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:15:16,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:16,099 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) [2024-10-14 20:15:16,103 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 [2024-10-14 20:15:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:15:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:15:16,227 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:15:16,229 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:15:16,364 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-14 20:15:16,364 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:15:16,390 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:15:16,390 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 20:15:16,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:15:16 BoogieIcfgContainer [2024-10-14 20:15:16,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:15:16,393 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:15:16,393 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:15:16,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:15:16,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:15:15" (1/3) ... [2024-10-14 20:15:16,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ae8f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:15:16, skipping insertion in model container [2024-10-14 20:15:16,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:16" (2/3) ... [2024-10-14 20:15:16,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ae8f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:15:16, skipping insertion in model container [2024-10-14 20:15:16,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:15:16" (3/3) ... [2024-10-14 20:15:16,398 INFO L112 eAbstractionObserver]: Analyzing ICFG twisted.c [2024-10-14 20:15:16,414 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:15:16,414 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 20:15:16,467 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:15:16,473 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;@252cb63c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:15:16,473 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 20:15:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 19 states have internal predecessors, (25), 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) [2024-10-14 20:15:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 20:15:16,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:16,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 20:15:16,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:16,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:16,486 INFO L85 PathProgramCache]: Analyzing trace with hash 2584514, now seen corresponding path program 1 times [2024-10-14 20:15:16,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:16,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602944051] [2024-10-14 20:15:16,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:16,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:16,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:16,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602944051] [2024-10-14 20:15:16,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602944051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:16,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:15:16,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:15:16,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463163819] [2024-10-14 20:15:16,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:16,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 20:15:16,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:16,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 20:15:16,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:15:16,633 INFO L87 Difference]: Start difference. First operand has 20 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:16,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:16,649 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2024-10-14 20:15:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 20:15:16,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-14 20:15:16,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:16,658 INFO L225 Difference]: With dead ends: 39 [2024-10-14 20:15:16,658 INFO L226 Difference]: Without dead ends: 19 [2024-10-14 20:15:16,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:15:16,664 INFO L432 NwaCegarLoop]: 21 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, 21 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 [2024-10-14 20:15:16,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:15:16,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-10-14 20:15:16,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-14 20:15:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-10-14 20:15:16,693 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 4 [2024-10-14 20:15:16,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:16,693 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-10-14 20:15:16,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-10-14 20:15:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 20:15:16,693 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:16,694 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 20:15:16,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:15:16,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:16,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:16,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2568145, now seen corresponding path program 1 times [2024-10-14 20:15:16,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:16,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009832007] [2024-10-14 20:15:16,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:16,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:16,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:16,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009832007] [2024-10-14 20:15:16,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009832007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:16,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:15:16,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:15:16,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374230429] [2024-10-14 20:15:16,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:16,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:15:16,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:16,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:15:16,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:15:16,755 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:16,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:16,807 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2024-10-14 20:15:16,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:15:16,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-14 20:15:16,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:16,809 INFO L225 Difference]: With dead ends: 19 [2024-10-14 20:15:16,809 INFO L226 Difference]: Without dead ends: 18 [2024-10-14 20:15:16,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:15:16,810 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:16,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 16 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:15:16,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-10-14 20:15:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-10-14 20:15:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-10-14 20:15:16,819 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 4 [2024-10-14 20:15:16,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:16,820 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-10-14 20:15:16,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-10-14 20:15:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 20:15:16,821 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:16,821 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 20:15:16,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:15:16,821 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:16,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:16,822 INFO L85 PathProgramCache]: Analyzing trace with hash 79612540, now seen corresponding path program 1 times [2024-10-14 20:15:16,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:16,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528288775] [2024-10-14 20:15:16,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:16,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:16,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:16,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:16,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528288775] [2024-10-14 20:15:16,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528288775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:16,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:15:16,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:15:16,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289383926] [2024-10-14 20:15:16,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:16,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:15:16,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:16,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:15:16,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:15:16,881 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-14 20:15:16,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:16,919 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2024-10-14 20:15:16,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:15:16,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-14 20:15:16,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:16,920 INFO L225 Difference]: With dead ends: 32 [2024-10-14 20:15:16,920 INFO L226 Difference]: Without dead ends: 31 [2024-10-14 20:15:16,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:15:16,924 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:16,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 30 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:15:16,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-10-14 20:15:16,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2024-10-14 20:15:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 26 states have internal predecessors, (35), 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) [2024-10-14 20:15:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2024-10-14 20:15:16,934 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 5 [2024-10-14 20:15:16,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:16,934 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2024-10-14 20:15:16,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-14 20:15:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-10-14 20:15:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 20:15:16,935 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:16,936 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 20:15:16,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 20:15:16,937 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:16,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:16,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1827025136, now seen corresponding path program 1 times [2024-10-14 20:15:16,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:16,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805341849] [2024-10-14 20:15:16,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:16,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:17,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:17,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805341849] [2024-10-14 20:15:17,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805341849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:17,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:15:17,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 20:15:17,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899505973] [2024-10-14 20:15:17,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:17,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:15:17,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:17,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:15:17,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:15:17,006 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:17,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:17,046 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2024-10-14 20:15:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:15:17,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 20:15:17,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:17,050 INFO L225 Difference]: With dead ends: 34 [2024-10-14 20:15:17,051 INFO L226 Difference]: Without dead ends: 33 [2024-10-14 20:15:17,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:15:17,053 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:17,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:15:17,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-14 20:15:17,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2024-10-14 20:15:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2024-10-14 20:15:17,066 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 42 transitions. Word has length 6 [2024-10-14 20:15:17,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:17,066 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 42 transitions. [2024-10-14 20:15:17,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:17,067 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2024-10-14 20:15:17,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 20:15:17,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:17,069 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 20:15:17,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 20:15:17,069 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:17,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:17,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1827025086, now seen corresponding path program 1 times [2024-10-14 20:15:17,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:17,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568905937] [2024-10-14 20:15:17,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:17,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:17,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:17,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568905937] [2024-10-14 20:15:17,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568905937] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:17,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:15:17,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:15:17,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042590766] [2024-10-14 20:15:17,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:17,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:15:17,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:17,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:15:17,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:15:17,124 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:17,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:17,154 INFO L93 Difference]: Finished difference Result 32 states and 42 transitions. [2024-10-14 20:15:17,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:15:17,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 20:15:17,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:17,155 INFO L225 Difference]: With dead ends: 32 [2024-10-14 20:15:17,156 INFO L226 Difference]: Without dead ends: 31 [2024-10-14 20:15:17,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:15:17,158 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:17,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 22 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:15:17,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-10-14 20:15:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-10-14 20:15:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 30 states have internal predecessors, (40), 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) [2024-10-14 20:15:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2024-10-14 20:15:17,167 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 6 [2024-10-14 20:15:17,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:17,167 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-10-14 20:15:17,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-10-14 20:15:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 20:15:17,168 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:17,168 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:17,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 20:15:17,168 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:17,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:17,169 INFO L85 PathProgramCache]: Analyzing trace with hash -803204291, now seen corresponding path program 1 times [2024-10-14 20:15:17,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:17,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23527752] [2024-10-14 20:15:17,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:17,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:17,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:17,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23527752] [2024-10-14 20:15:17,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23527752] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:17,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:15:17,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 20:15:17,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338711303] [2024-10-14 20:15:17,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:17,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:15:17,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:17,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:15:17,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:15:17,216 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:17,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:17,244 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2024-10-14 20:15:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:15:17,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-14 20:15:17,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:17,245 INFO L225 Difference]: With dead ends: 33 [2024-10-14 20:15:17,245 INFO L226 Difference]: Without dead ends: 30 [2024-10-14 20:15:17,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:15:17,246 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 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 [2024-10-14 20:15:17,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:15:17,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-14 20:15:17,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-14 20:15:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 29 states have internal predecessors, (38), 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) [2024-10-14 20:15:17,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-10-14 20:15:17,252 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 7 [2024-10-14 20:15:17,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:17,252 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-10-14 20:15:17,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:17,253 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-10-14 20:15:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 20:15:17,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:17,253 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:17,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 20:15:17,254 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:17,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:17,254 INFO L85 PathProgramCache]: Analyzing trace with hash -803202753, now seen corresponding path program 1 times [2024-10-14 20:15:17,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:17,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611432759] [2024-10-14 20:15:17,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:17,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:17,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:17,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611432759] [2024-10-14 20:15:17,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611432759] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:17,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:15:17,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:15:17,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120195809] [2024-10-14 20:15:17,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:17,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:15:17,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:17,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:15:17,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:15:17,290 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:17,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:17,317 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2024-10-14 20:15:17,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:15:17,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-14 20:15:17,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:17,318 INFO L225 Difference]: With dead ends: 46 [2024-10-14 20:15:17,318 INFO L226 Difference]: Without dead ends: 45 [2024-10-14 20:15:17,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:15:17,319 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:17,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 35 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:15:17,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-10-14 20:15:17,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2024-10-14 20:15:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 41 states have internal predecessors, (54), 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) [2024-10-14 20:15:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 54 transitions. [2024-10-14 20:15:17,326 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 54 transitions. Word has length 7 [2024-10-14 20:15:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:17,327 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 54 transitions. [2024-10-14 20:15:17,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2024-10-14 20:15:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 20:15:17,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:17,328 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-10-14 20:15:17,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 20:15:17,328 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:17,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:17,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1691116137, now seen corresponding path program 1 times [2024-10-14 20:15:17,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:17,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620339297] [2024-10-14 20:15:17,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:17,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:17,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:17,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620339297] [2024-10-14 20:15:17,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620339297] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:17,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004528049] [2024-10-14 20:15:17,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:17,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:17,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:17,418 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) [2024-10-14 20:15:17,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:15:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:17,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:15:17,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:17,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:17,586 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:17,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004528049] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:17,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:17,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-14 20:15:17,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614542193] [2024-10-14 20:15:17,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:17,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:15:17,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:17,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:15:17,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:15:17,653 INFO L87 Difference]: Start difference. First operand 42 states and 54 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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) [2024-10-14 20:15:17,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:17,776 INFO L93 Difference]: Finished difference Result 110 states and 151 transitions. [2024-10-14 20:15:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:15:17,776 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-14 20:15:17,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:17,778 INFO L225 Difference]: With dead ends: 110 [2024-10-14 20:15:17,778 INFO L226 Difference]: Without dead ends: 109 [2024-10-14 20:15:17,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:15:17,781 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 42 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:17,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 61 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:17,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-14 20:15:17,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 77. [2024-10-14 20:15:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 73 states have (on average 1.4383561643835616) internal successors, (105), 76 states have internal predecessors, (105), 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) [2024-10-14 20:15:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2024-10-14 20:15:17,800 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 9 [2024-10-14 20:15:17,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:17,801 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2024-10-14 20:15:17,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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) [2024-10-14 20:15:17,801 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2024-10-14 20:15:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 20:15:17,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:17,801 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:17,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:15:18,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:18,002 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:18,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:18,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1691041614, now seen corresponding path program 1 times [2024-10-14 20:15:18,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:18,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821718938] [2024-10-14 20:15:18,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:18,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:18,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:18,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821718938] [2024-10-14 20:15:18,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821718938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:18,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:15:18,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:15:18,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257190991] [2024-10-14 20:15:18,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:18,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:15:18,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:18,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:15:18,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:15:18,064 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:18,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:18,135 INFO L93 Difference]: Finished difference Result 80 states and 108 transitions. [2024-10-14 20:15:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:15:18,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-14 20:15:18,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:18,136 INFO L225 Difference]: With dead ends: 80 [2024-10-14 20:15:18,136 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 20:15:18,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:15:18,137 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:18,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 27 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:18,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 20:15:18,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-10-14 20:15:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 77 states have internal predecessors, (106), 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) [2024-10-14 20:15:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2024-10-14 20:15:18,152 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 9 [2024-10-14 20:15:18,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:18,153 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2024-10-14 20:15:18,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-10-14 20:15:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 20:15:18,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:18,154 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:18,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 20:15:18,154 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:18,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:18,154 INFO L85 PathProgramCache]: Analyzing trace with hash -950341355, now seen corresponding path program 1 times [2024-10-14 20:15:18,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:18,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851122745] [2024-10-14 20:15:18,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:18,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:18,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:18,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851122745] [2024-10-14 20:15:18,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851122745] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:18,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372364382] [2024-10-14 20:15:18,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:18,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:18,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:18,215 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) [2024-10-14 20:15:18,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:15:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:18,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:15:18,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:18,324 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:15:18,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372364382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:18,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:15:18,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2024-10-14 20:15:18,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498112093] [2024-10-14 20:15:18,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:18,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:15:18,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:18,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:15:18,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:15:18,325 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-14 20:15:18,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:18,374 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2024-10-14 20:15:18,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:15:18,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-14 20:15:18,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:18,375 INFO L225 Difference]: With dead ends: 90 [2024-10-14 20:15:18,375 INFO L226 Difference]: Without dead ends: 89 [2024-10-14 20:15:18,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:15:18,376 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 7 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:18,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 26 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:15:18,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-14 20:15:18,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-10-14 20:15:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 86 states have internal predecessors, (119), 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) [2024-10-14 20:15:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2024-10-14 20:15:18,384 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 10 [2024-10-14 20:15:18,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:18,385 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2024-10-14 20:15:18,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-14 20:15:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2024-10-14 20:15:18,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 20:15:18,386 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:18,386 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:18,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 20:15:18,586 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,SelfDestructingSolverStorable9 [2024-10-14 20:15:18,587 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:18,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:18,587 INFO L85 PathProgramCache]: Analyzing trace with hash -882682405, now seen corresponding path program 1 times [2024-10-14 20:15:18,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:18,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955027059] [2024-10-14 20:15:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:18,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:18,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:18,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955027059] [2024-10-14 20:15:18,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955027059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:18,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:15:18,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:15:18,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402631380] [2024-10-14 20:15:18,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:18,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:15:18,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:18,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:15:18,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:15:18,639 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-14 20:15:18,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:18,688 INFO L93 Difference]: Finished difference Result 90 states and 121 transitions. [2024-10-14 20:15:18,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:15:18,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-14 20:15:18,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:18,689 INFO L225 Difference]: With dead ends: 90 [2024-10-14 20:15:18,689 INFO L226 Difference]: Without dead ends: 87 [2024-10-14 20:15:18,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:15:18,690 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:18,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 26 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:15:18,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-14 20:15:18,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-10-14 20:15:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 86 states have internal predecessors, (118), 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) [2024-10-14 20:15:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 118 transitions. [2024-10-14 20:15:18,708 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 118 transitions. Word has length 10 [2024-10-14 20:15:18,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:18,708 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 118 transitions. [2024-10-14 20:15:18,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-14 20:15:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2024-10-14 20:15:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 20:15:18,713 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:18,713 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:18,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 20:15:18,713 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:18,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:18,714 INFO L85 PathProgramCache]: Analyzing trace with hash 604189144, now seen corresponding path program 1 times [2024-10-14 20:15:18,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:18,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860305386] [2024-10-14 20:15:18,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:18,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:18,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:18,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860305386] [2024-10-14 20:15:18,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860305386] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:18,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188142353] [2024-10-14 20:15:18,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:18,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:18,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:18,780 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) [2024-10-14 20:15:18,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:15:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:18,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:15:18,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:18,906 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:18,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188142353] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:18,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:18,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2024-10-14 20:15:18,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860270928] [2024-10-14 20:15:18,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:18,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:15:18,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:18,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:15:18,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:15:18,952 INFO L87 Difference]: Start difference. First operand 87 states and 118 transitions. Second operand has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 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) [2024-10-14 20:15:19,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:19,064 INFO L93 Difference]: Finished difference Result 116 states and 158 transitions. [2024-10-14 20:15:19,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:15:19,065 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-14 20:15:19,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:19,067 INFO L225 Difference]: With dead ends: 116 [2024-10-14 20:15:19,067 INFO L226 Difference]: Without dead ends: 107 [2024-10-14 20:15:19,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:15:19,068 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 18 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:19,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 37 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:19,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-14 20:15:19,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2024-10-14 20:15:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 99 states have (on average 1.4242424242424243) internal successors, (141), 102 states have internal predecessors, (141), 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) [2024-10-14 20:15:19,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 141 transitions. [2024-10-14 20:15:19,096 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 141 transitions. Word has length 11 [2024-10-14 20:15:19,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:19,097 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 141 transitions. [2024-10-14 20:15:19,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 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) [2024-10-14 20:15:19,097 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 141 transitions. [2024-10-14 20:15:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 20:15:19,097 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:19,097 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:19,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:15:19,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:19,298 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:19,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:19,299 INFO L85 PathProgramCache]: Analyzing trace with hash 604190682, now seen corresponding path program 1 times [2024-10-14 20:15:19,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:19,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458137428] [2024-10-14 20:15:19,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:19,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:19,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:19,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458137428] [2024-10-14 20:15:19,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458137428] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525809393] [2024-10-14 20:15:19,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:19,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:19,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:19,351 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) [2024-10-14 20:15:19,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:15:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:19,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:15:19,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:19,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:19,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:19,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525809393] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:19,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:19,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-14 20:15:19,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017435913] [2024-10-14 20:15:19,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:19,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:15:19,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:19,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:15:19,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:15:19,466 INFO L87 Difference]: Start difference. First operand 103 states and 141 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:19,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:19,535 INFO L93 Difference]: Finished difference Result 263 states and 374 transitions. [2024-10-14 20:15:19,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:15:19,536 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-14 20:15:19,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:19,537 INFO L225 Difference]: With dead ends: 263 [2024-10-14 20:15:19,537 INFO L226 Difference]: Without dead ends: 262 [2024-10-14 20:15:19,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:15:19,540 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 48 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:19,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 92 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:19,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-14 20:15:19,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 250. [2024-10-14 20:15:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 246 states have (on average 1.4024390243902438) internal successors, (345), 249 states have internal predecessors, (345), 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) [2024-10-14 20:15:19,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 345 transitions. [2024-10-14 20:15:19,575 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 345 transitions. Word has length 11 [2024-10-14 20:15:19,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:19,576 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 345 transitions. [2024-10-14 20:15:19,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 345 transitions. [2024-10-14 20:15:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 20:15:19,577 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:19,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:19,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:15:19,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:19,778 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:19,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:19,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2139111863, now seen corresponding path program 1 times [2024-10-14 20:15:19,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:19,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183014536] [2024-10-14 20:15:19,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:19,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:19,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:19,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183014536] [2024-10-14 20:15:19,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183014536] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:19,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262876031] [2024-10-14 20:15:19,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:19,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:19,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:19,874 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) [2024-10-14 20:15:19,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:15:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:19,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:15:19,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:19,993 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:15:19,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262876031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:19,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:15:19,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2024-10-14 20:15:19,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744502991] [2024-10-14 20:15:19,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:19,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:15:19,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:19,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:15:19,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:15:19,995 INFO L87 Difference]: Start difference. First operand 250 states and 345 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:20,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:20,064 INFO L93 Difference]: Finished difference Result 290 states and 408 transitions. [2024-10-14 20:15:20,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:15:20,065 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-14 20:15:20,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:20,066 INFO L225 Difference]: With dead ends: 290 [2024-10-14 20:15:20,066 INFO L226 Difference]: Without dead ends: 289 [2024-10-14 20:15:20,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:15:20,067 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:20,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 14 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:20,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-14 20:15:20,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 232. [2024-10-14 20:15:20,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 229 states have (on average 1.3973799126637554) internal successors, (320), 231 states have internal predecessors, (320), 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) [2024-10-14 20:15:20,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 320 transitions. [2024-10-14 20:15:20,081 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 320 transitions. Word has length 13 [2024-10-14 20:15:20,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:20,081 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 320 transitions. [2024-10-14 20:15:20,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:20,082 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 320 transitions. [2024-10-14 20:15:20,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 20:15:20,083 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:20,083 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:20,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 20:15:20,287 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,SelfDestructingSolverStorable13 [2024-10-14 20:15:20,288 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:20,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:20,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1510816672, now seen corresponding path program 1 times [2024-10-14 20:15:20,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:20,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103133987] [2024-10-14 20:15:20,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:20,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:20,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103133987] [2024-10-14 20:15:20,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103133987] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:20,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682913118] [2024-10-14 20:15:20,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:20,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:20,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:20,350 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) [2024-10-14 20:15:20,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:15:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:20,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:15:20,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:20,462 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:20,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:20,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682913118] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:20,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:20,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-10-14 20:15:20,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45767912] [2024-10-14 20:15:20,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:20,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 20:15:20,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:20,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 20:15:20,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:15:20,532 INFO L87 Difference]: Start difference. First operand 232 states and 320 transitions. Second operand has 17 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:20,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:20,609 INFO L93 Difference]: Finished difference Result 241 states and 329 transitions. [2024-10-14 20:15:20,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:15:20,609 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-14 20:15:20,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:20,610 INFO L225 Difference]: With dead ends: 241 [2024-10-14 20:15:20,610 INFO L226 Difference]: Without dead ends: 236 [2024-10-14 20:15:20,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:15:20,611 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 15 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:20,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 35 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:20,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-10-14 20:15:20,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2024-10-14 20:15:20,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 229 states have (on average 1.388646288209607) internal successors, (318), 231 states have internal predecessors, (318), 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) [2024-10-14 20:15:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 318 transitions. [2024-10-14 20:15:20,625 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 318 transitions. Word has length 14 [2024-10-14 20:15:20,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:20,625 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 318 transitions. [2024-10-14 20:15:20,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 318 transitions. [2024-10-14 20:15:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 20:15:20,628 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:20,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:20,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 20:15:20,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 20:15:20,829 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:20,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:20,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1887958390, now seen corresponding path program 1 times [2024-10-14 20:15:20,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:20,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665207844] [2024-10-14 20:15:20,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:20,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:20,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:20,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:20,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665207844] [2024-10-14 20:15:20,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665207844] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:20,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202912672] [2024-10-14 20:15:20,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:20,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:20,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:20,900 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) [2024-10-14 20:15:20,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:15:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:20,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:15:20,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:21,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:21,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:21,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202912672] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:21,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:21,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-10-14 20:15:21,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857350686] [2024-10-14 20:15:21,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:21,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 20:15:21,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:21,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 20:15:21,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:15:21,122 INFO L87 Difference]: Start difference. First operand 232 states and 318 transitions. Second operand has 17 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:21,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:21,257 INFO L93 Difference]: Finished difference Result 280 states and 381 transitions. [2024-10-14 20:15:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 20:15:21,258 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-14 20:15:21,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:21,259 INFO L225 Difference]: With dead ends: 280 [2024-10-14 20:15:21,259 INFO L226 Difference]: Without dead ends: 269 [2024-10-14 20:15:21,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-10-14 20:15:21,260 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 39 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:21,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 38 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:21,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-10-14 20:15:21,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 244. [2024-10-14 20:15:21,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 241 states have (on average 1.3817427385892116) internal successors, (333), 243 states have internal predecessors, (333), 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) [2024-10-14 20:15:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 333 transitions. [2024-10-14 20:15:21,272 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 333 transitions. Word has length 14 [2024-10-14 20:15:21,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:21,272 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 333 transitions. [2024-10-14 20:15:21,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:15:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 333 transitions. [2024-10-14 20:15:21,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-14 20:15:21,273 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:21,273 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:21,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-14 20:15:21,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:21,478 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:21,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:21,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1535089564, now seen corresponding path program 1 times [2024-10-14 20:15:21,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:21,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417533804] [2024-10-14 20:15:21,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:21,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:15:21,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:21,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417533804] [2024-10-14 20:15:21,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417533804] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:21,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:15:21,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:15:21,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668118821] [2024-10-14 20:15:21,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:21,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:15:21,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:21,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:15:21,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:15:21,500 INFO L87 Difference]: Start difference. First operand 244 states and 333 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-14 20:15:21,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:21,536 INFO L93 Difference]: Finished difference Result 530 states and 729 transitions. [2024-10-14 20:15:21,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:15:21,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-10-14 20:15:21,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:21,538 INFO L225 Difference]: With dead ends: 530 [2024-10-14 20:15:21,538 INFO L226 Difference]: Without dead ends: 360 [2024-10-14 20:15:21,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:15:21,540 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:21,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 27 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:15:21,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-14 20:15:21,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 283. [2024-10-14 20:15:21,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 280 states have (on average 1.3464285714285715) internal successors, (377), 282 states have internal predecessors, (377), 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) [2024-10-14 20:15:21,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 377 transitions. [2024-10-14 20:15:21,555 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 377 transitions. Word has length 21 [2024-10-14 20:15:21,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:21,555 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 377 transitions. [2024-10-14 20:15:21,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-14 20:15:21,555 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2024-10-14 20:15:21,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-14 20:15:21,556 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:21,556 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:21,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 20:15:21,557 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:21,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:21,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1311621504, now seen corresponding path program 1 times [2024-10-14 20:15:21,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:21,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326411448] [2024-10-14 20:15:21,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:21,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:21,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:21,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326411448] [2024-10-14 20:15:21,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326411448] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:21,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427270084] [2024-10-14 20:15:21,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:21,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:21,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:21,682 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) [2024-10-14 20:15:21,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:15:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:21,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 20:15:21,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:21,883 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:22,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427270084] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:22,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:22,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 27 [2024-10-14 20:15:22,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565351482] [2024-10-14 20:15:22,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:22,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-14 20:15:22,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:22,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-14 20:15:22,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-10-14 20:15:22,045 INFO L87 Difference]: Start difference. First operand 283 states and 377 transitions. Second operand has 29 states, 28 states have (on average 2.357142857142857) internal successors, (66), 28 states have internal predecessors, (66), 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) [2024-10-14 20:15:22,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:22,265 INFO L93 Difference]: Finished difference Result 394 states and 528 transitions. [2024-10-14 20:15:22,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 20:15:22,266 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.357142857142857) internal successors, (66), 28 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-14 20:15:22,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:22,267 INFO L225 Difference]: With dead ends: 394 [2024-10-14 20:15:22,267 INFO L226 Difference]: Without dead ends: 379 [2024-10-14 20:15:22,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2024-10-14 20:15:22,268 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 66 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:22,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 45 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:15:22,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-14 20:15:22,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 304. [2024-10-14 20:15:22,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 301 states have (on average 1.372093023255814) internal successors, (413), 303 states have internal predecessors, (413), 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) [2024-10-14 20:15:22,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 413 transitions. [2024-10-14 20:15:22,285 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 413 transitions. Word has length 22 [2024-10-14 20:15:22,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:22,285 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 413 transitions. [2024-10-14 20:15:22,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.357142857142857) internal successors, (66), 28 states have internal predecessors, (66), 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) [2024-10-14 20:15:22,285 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 413 transitions. [2024-10-14 20:15:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-14 20:15:22,286 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:22,286 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:22,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 20:15:22,486 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,SelfDestructingSolverStorable17 [2024-10-14 20:15:22,487 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:22,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:22,487 INFO L85 PathProgramCache]: Analyzing trace with hash 877798444, now seen corresponding path program 2 times [2024-10-14 20:15:22,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:22,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774845921] [2024-10-14 20:15:22,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:22,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:22,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:22,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774845921] [2024-10-14 20:15:22,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774845921] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:22,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875883710] [2024-10-14 20:15:22,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:15:22,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:22,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:22,602 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) [2024-10-14 20:15:22,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:15:22,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 20:15:22,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:15:22,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:15:22,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:22,668 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:15:22,668 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:15:22,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875883710] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:15:22,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:15:22,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 13 [2024-10-14 20:15:22,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557395496] [2024-10-14 20:15:22,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:15:22,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:15:22,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:22,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:15:22,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:15:22,670 INFO L87 Difference]: Start difference. First operand 304 states and 413 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-10-14 20:15:22,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:22,724 INFO L93 Difference]: Finished difference Result 521 states and 695 transitions. [2024-10-14 20:15:22,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:15:22,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-14 20:15:22,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:22,726 INFO L225 Difference]: With dead ends: 521 [2024-10-14 20:15:22,726 INFO L226 Difference]: Without dead ends: 292 [2024-10-14 20:15:22,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:15:22,729 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 19 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:22,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 47 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:15:22,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-10-14 20:15:22,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 286. [2024-10-14 20:15:22,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 283 states have (on average 1.3215547703180213) internal successors, (374), 285 states have internal predecessors, (374), 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) [2024-10-14 20:15:22,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 374 transitions. [2024-10-14 20:15:22,746 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 374 transitions. Word has length 22 [2024-10-14 20:15:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:22,746 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 374 transitions. [2024-10-14 20:15:22,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-10-14 20:15:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 374 transitions. [2024-10-14 20:15:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 20:15:22,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:22,748 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:22,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 20:15:22,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:22,949 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:22,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:22,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1758484887, now seen corresponding path program 1 times [2024-10-14 20:15:22,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:22,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543472307] [2024-10-14 20:15:22,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:22,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:23,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:23,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543472307] [2024-10-14 20:15:23,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543472307] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:23,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775014099] [2024-10-14 20:15:23,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:23,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:23,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:23,059 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) [2024-10-14 20:15:23,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:15:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:23,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 20:15:23,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:23,254 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:23,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:23,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775014099] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:23,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:23,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 27 [2024-10-14 20:15:23,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004881385] [2024-10-14 20:15:23,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:23,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-14 20:15:23,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:23,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-14 20:15:23,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-10-14 20:15:23,420 INFO L87 Difference]: Start difference. First operand 286 states and 374 transitions. Second operand has 29 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 28 states have internal predecessors, (69), 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) [2024-10-14 20:15:23,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:23,672 INFO L93 Difference]: Finished difference Result 385 states and 496 transitions. [2024-10-14 20:15:23,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-14 20:15:23,672 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 28 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-10-14 20:15:23,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:23,674 INFO L225 Difference]: With dead ends: 385 [2024-10-14 20:15:23,674 INFO L226 Difference]: Without dead ends: 374 [2024-10-14 20:15:23,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=256, Invalid=866, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 20:15:23,675 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 69 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:23,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 44 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:23,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-14 20:15:23,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 341. [2024-10-14 20:15:23,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 338 states have (on average 1.2988165680473374) internal successors, (439), 340 states have internal predecessors, (439), 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) [2024-10-14 20:15:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 439 transitions. [2024-10-14 20:15:23,693 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 439 transitions. Word has length 23 [2024-10-14 20:15:23,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:23,693 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 439 transitions. [2024-10-14 20:15:23,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 28 states have internal predecessors, (69), 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) [2024-10-14 20:15:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 439 transitions. [2024-10-14 20:15:23,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-14 20:15:23,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:23,694 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:23,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 20:15:23,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:23,899 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:23,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:23,899 INFO L85 PathProgramCache]: Analyzing trace with hash -444771066, now seen corresponding path program 1 times [2024-10-14 20:15:23,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:23,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186366798] [2024-10-14 20:15:23,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:23,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:24,015 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:15:24,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:24,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186366798] [2024-10-14 20:15:24,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186366798] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:24,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747774923] [2024-10-14 20:15:24,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:24,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:24,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:24,017 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) [2024-10-14 20:15:24,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:15:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:24,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 20:15:24,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:15:24,093 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:24,237 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:15:24,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747774923] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:24,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:24,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-10-14 20:15:24,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168271659] [2024-10-14 20:15:24,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:24,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-14 20:15:24,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:24,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-14 20:15:24,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-10-14 20:15:24,240 INFO L87 Difference]: Start difference. First operand 341 states and 439 transitions. Second operand has 22 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 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) [2024-10-14 20:15:24,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:24,349 INFO L93 Difference]: Finished difference Result 609 states and 817 transitions. [2024-10-14 20:15:24,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-14 20:15:24,349 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-10-14 20:15:24,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:24,352 INFO L225 Difference]: With dead ends: 609 [2024-10-14 20:15:24,352 INFO L226 Difference]: Without dead ends: 608 [2024-10-14 20:15:24,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-10-14 20:15:24,353 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 191 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:24,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 168 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:24,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-10-14 20:15:24,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 581. [2024-10-14 20:15:24,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 578 states have (on average 1.320069204152249) internal successors, (763), 580 states have internal predecessors, (763), 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) [2024-10-14 20:15:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 763 transitions. [2024-10-14 20:15:24,399 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 763 transitions. Word has length 27 [2024-10-14 20:15:24,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:24,400 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 763 transitions. [2024-10-14 20:15:24,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 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) [2024-10-14 20:15:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 763 transitions. [2024-10-14 20:15:24,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-14 20:15:24,402 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:24,402 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:24,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 20:15:24,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-14 20:15:24,607 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:24,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:24,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1291121537, now seen corresponding path program 1 times [2024-10-14 20:15:24,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:24,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354395181] [2024-10-14 20:15:24,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:24,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:24,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:24,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354395181] [2024-10-14 20:15:24,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354395181] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:24,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809062248] [2024-10-14 20:15:24,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:24,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:24,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:24,748 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) [2024-10-14 20:15:24,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:15:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:24,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 20:15:24,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:24,815 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:24,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:24,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809062248] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:24,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:24,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-10-14 20:15:24,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208490736] [2024-10-14 20:15:24,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:24,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-14 20:15:24,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:24,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-14 20:15:24,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-10-14 20:15:24,970 INFO L87 Difference]: Start difference. First operand 581 states and 763 transitions. Second operand has 22 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 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) [2024-10-14 20:15:25,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:25,197 INFO L93 Difference]: Finished difference Result 2212 states and 3093 transitions. [2024-10-14 20:15:25,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-14 20:15:25,197 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-10-14 20:15:25,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:25,206 INFO L225 Difference]: With dead ends: 2212 [2024-10-14 20:15:25,206 INFO L226 Difference]: Without dead ends: 2211 [2024-10-14 20:15:25,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-10-14 20:15:25,209 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 153 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:25,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 120 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:25,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2024-10-14 20:15:25,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 1082. [2024-10-14 20:15:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 1079 states have (on average 1.3697868396663577) internal successors, (1478), 1081 states have internal predecessors, (1478), 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) [2024-10-14 20:15:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1478 transitions. [2024-10-14 20:15:25,299 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1478 transitions. Word has length 27 [2024-10-14 20:15:25,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:25,299 INFO L471 AbstractCegarLoop]: Abstraction has 1082 states and 1478 transitions. [2024-10-14 20:15:25,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 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) [2024-10-14 20:15:25,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1478 transitions. [2024-10-14 20:15:25,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 20:15:25,300 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:25,300 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:25,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 20:15:25,501 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,SelfDestructingSolverStorable21 [2024-10-14 20:15:25,501 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:25,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:25,502 INFO L85 PathProgramCache]: Analyzing trace with hash -735992953, now seen corresponding path program 1 times [2024-10-14 20:15:25,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:25,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205701981] [2024-10-14 20:15:25,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:25,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:25,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:25,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205701981] [2024-10-14 20:15:25,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205701981] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:25,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863918908] [2024-10-14 20:15:25,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:25,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:25,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:25,655 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) [2024-10-14 20:15:25,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:15:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:25,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 20:15:25,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:25,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:26,054 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:26,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863918908] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:26,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:26,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 33 [2024-10-14 20:15:26,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445739060] [2024-10-14 20:15:26,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:26,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-14 20:15:26,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:26,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-14 20:15:26,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=938, Unknown=0, NotChecked=0, Total=1190 [2024-10-14 20:15:26,057 INFO L87 Difference]: Start difference. First operand 1082 states and 1478 transitions. Second operand has 35 states, 34 states have (on average 2.4705882352941178) internal successors, (84), 34 states have internal predecessors, (84), 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) [2024-10-14 20:15:26,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:26,325 INFO L93 Difference]: Finished difference Result 1321 states and 1806 transitions. [2024-10-14 20:15:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-14 20:15:26,326 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 2.4705882352941178) internal successors, (84), 34 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-10-14 20:15:26,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:26,331 INFO L225 Difference]: With dead ends: 1321 [2024-10-14 20:15:26,331 INFO L226 Difference]: Without dead ends: 1302 [2024-10-14 20:15:26,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=296, Invalid=1110, Unknown=0, NotChecked=0, Total=1406 [2024-10-14 20:15:26,332 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 82 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:26,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 65 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:15:26,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2024-10-14 20:15:26,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1221. [2024-10-14 20:15:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1218 states have (on average 1.361247947454844) internal successors, (1658), 1220 states have internal predecessors, (1658), 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) [2024-10-14 20:15:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1658 transitions. [2024-10-14 20:15:26,401 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1658 transitions. Word has length 28 [2024-10-14 20:15:26,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:26,402 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1658 transitions. [2024-10-14 20:15:26,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 2.4705882352941178) internal successors, (84), 34 states have internal predecessors, (84), 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) [2024-10-14 20:15:26,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1658 transitions. [2024-10-14 20:15:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-14 20:15:26,404 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:26,404 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:26,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 20:15:26,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-14 20:15:26,605 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:26,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:26,606 INFO L85 PathProgramCache]: Analyzing trace with hash -2146062083, now seen corresponding path program 2 times [2024-10-14 20:15:26,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:26,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727372556] [2024-10-14 20:15:26,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:26,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:26,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:26,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727372556] [2024-10-14 20:15:26,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727372556] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:26,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840630955] [2024-10-14 20:15:26,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:15:26,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:26,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:26,809 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:26,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:15:26,844 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:15:26,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:15:26,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:15:26,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:27,088 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:27,330 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:27,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840630955] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:27,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:27,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 45 [2024-10-14 20:15:27,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334983170] [2024-10-14 20:15:27,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:27,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-14 20:15:27,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:27,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-14 20:15:27,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=1730, Unknown=0, NotChecked=0, Total=2162 [2024-10-14 20:15:27,332 INFO L87 Difference]: Start difference. First operand 1221 states and 1658 transitions. Second operand has 47 states, 46 states have (on average 2.347826086956522) internal successors, (108), 46 states have internal predecessors, (108), 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) [2024-10-14 20:15:27,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:27,794 INFO L93 Difference]: Finished difference Result 1990 states and 2695 transitions. [2024-10-14 20:15:27,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-14 20:15:27,795 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 2.347826086956522) internal successors, (108), 46 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-10-14 20:15:27,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:27,801 INFO L225 Difference]: With dead ends: 1990 [2024-10-14 20:15:27,801 INFO L226 Difference]: Without dead ends: 1969 [2024-10-14 20:15:27,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=593, Invalid=2377, Unknown=0, NotChecked=0, Total=2970 [2024-10-14 20:15:27,803 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 134 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:27,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 94 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:15:27,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2024-10-14 20:15:27,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1726. [2024-10-14 20:15:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1726 states, 1723 states have (on average 1.3360417875798027) internal successors, (2302), 1725 states have internal predecessors, (2302), 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) [2024-10-14 20:15:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1726 states and 2302 transitions. [2024-10-14 20:15:27,900 INFO L78 Accepts]: Start accepts. Automaton has 1726 states and 2302 transitions. Word has length 36 [2024-10-14 20:15:27,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:27,900 INFO L471 AbstractCegarLoop]: Abstraction has 1726 states and 2302 transitions. [2024-10-14 20:15:27,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 2.347826086956522) internal successors, (108), 46 states have internal predecessors, (108), 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) [2024-10-14 20:15:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2302 transitions. [2024-10-14 20:15:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 20:15:27,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:27,902 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:27,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-14 20:15:28,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:28,103 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:28,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:28,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1126181440, now seen corresponding path program 1 times [2024-10-14 20:15:28,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:28,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334553601] [2024-10-14 20:15:28,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:28,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:28,359 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:28,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:28,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334553601] [2024-10-14 20:15:28,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334553601] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:28,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003049137] [2024-10-14 20:15:28,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:28,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:28,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:28,362 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:28,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:15:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:28,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:15:28,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:28,667 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:28,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003049137] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:28,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:28,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 51 [2024-10-14 20:15:28,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164713289] [2024-10-14 20:15:28,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:28,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-10-14 20:15:28,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:28,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-10-14 20:15:28,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=610, Invalid=2146, Unknown=0, NotChecked=0, Total=2756 [2024-10-14 20:15:28,983 INFO L87 Difference]: Start difference. First operand 1726 states and 2302 transitions. Second operand has 53 states, 52 states have (on average 2.3076923076923075) internal successors, (120), 52 states have internal predecessors, (120), 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) [2024-10-14 20:15:29,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:29,355 INFO L93 Difference]: Finished difference Result 1996 states and 2665 transitions. [2024-10-14 20:15:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-14 20:15:29,355 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 2.3076923076923075) internal successors, (120), 52 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2024-10-14 20:15:29,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:29,361 INFO L225 Difference]: With dead ends: 1996 [2024-10-14 20:15:29,361 INFO L226 Difference]: Without dead ends: 1973 [2024-10-14 20:15:29,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=637, Invalid=2225, Unknown=0, NotChecked=0, Total=2862 [2024-10-14 20:15:29,362 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 143 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:29,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 65 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:15:29,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2024-10-14 20:15:29,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1846. [2024-10-14 20:15:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1843 states have (on average 1.3391209983722192) internal successors, (2468), 1845 states have internal predecessors, (2468), 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) [2024-10-14 20:15:29,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2468 transitions. [2024-10-14 20:15:29,442 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2468 transitions. Word has length 40 [2024-10-14 20:15:29,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:29,442 INFO L471 AbstractCegarLoop]: Abstraction has 1846 states and 2468 transitions. [2024-10-14 20:15:29,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 2.3076923076923075) internal successors, (120), 52 states have internal predecessors, (120), 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) [2024-10-14 20:15:29,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2468 transitions. [2024-10-14 20:15:29,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-14 20:15:29,444 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:29,445 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1] [2024-10-14 20:15:29,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-14 20:15:29,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:29,649 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:29,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:29,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1363017651, now seen corresponding path program 3 times [2024-10-14 20:15:29,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:29,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922086828] [2024-10-14 20:15:29,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:29,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:29,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:29,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922086828] [2024-10-14 20:15:29,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922086828] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:29,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466161270] [2024-10-14 20:15:29,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:15:29,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:29,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:29,974 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:29,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:15:30,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-14 20:15:30,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:15:30,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 20:15:30,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 45 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-14 20:15:30,108 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 45 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-14 20:15:30,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466161270] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:30,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:30,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 6, 6] total 25 [2024-10-14 20:15:30,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824732307] [2024-10-14 20:15:30,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:30,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-14 20:15:30,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:30,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-14 20:15:30,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2024-10-14 20:15:30,155 INFO L87 Difference]: Start difference. First operand 1846 states and 2468 transitions. Second operand has 25 states, 25 states have (on average 3.16) internal successors, (79), 25 states have internal predecessors, (79), 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) [2024-10-14 20:15:30,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:30,685 INFO L93 Difference]: Finished difference Result 2218 states and 2960 transitions. [2024-10-14 20:15:30,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-14 20:15:30,686 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.16) internal successors, (79), 25 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2024-10-14 20:15:30,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:30,688 INFO L225 Difference]: With dead ends: 2218 [2024-10-14 20:15:30,688 INFO L226 Difference]: Without dead ends: 497 [2024-10-14 20:15:30,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=342, Invalid=2108, Unknown=0, NotChecked=0, Total=2450 [2024-10-14 20:15:30,692 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 84 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:30,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 83 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:15:30,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-14 20:15:30,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 421. [2024-10-14 20:15:30,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 418 states have (on average 1.1435406698564594) internal successors, (478), 420 states have internal predecessors, (478), 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) [2024-10-14 20:15:30,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 478 transitions. [2024-10-14 20:15:30,727 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 478 transitions. Word has length 46 [2024-10-14 20:15:30,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:30,727 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 478 transitions. [2024-10-14 20:15:30,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.16) internal successors, (79), 25 states have internal predecessors, (79), 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) [2024-10-14 20:15:30,727 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 478 transitions. [2024-10-14 20:15:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-14 20:15:30,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:30,728 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-10-14 20:15:30,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 20:15:30,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-14 20:15:30,933 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:30,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:30,933 INFO L85 PathProgramCache]: Analyzing trace with hash -563527062, now seen corresponding path program 1 times [2024-10-14 20:15:30,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:30,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217897340] [2024-10-14 20:15:30,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:30,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:31,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:31,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217897340] [2024-10-14 20:15:31,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217897340] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:31,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139444648] [2024-10-14 20:15:31,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:31,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:31,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:31,212 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:31,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:15:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:31,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-14 20:15:31,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:31,623 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:31,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139444648] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:31,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:31,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 57 [2024-10-14 20:15:31,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492600540] [2024-10-14 20:15:31,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:31,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-10-14 20:15:31,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:31,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-10-14 20:15:31,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=676, Invalid=2746, Unknown=0, NotChecked=0, Total=3422 [2024-10-14 20:15:31,974 INFO L87 Difference]: Start difference. First operand 421 states and 478 transitions. Second operand has 59 states, 58 states have (on average 2.5344827586206895) internal successors, (147), 58 states have internal predecessors, (147), 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) [2024-10-14 20:15:32,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:32,339 INFO L93 Difference]: Finished difference Result 453 states and 514 transitions. [2024-10-14 20:15:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-14 20:15:32,340 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 2.5344827586206895) internal successors, (147), 58 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-10-14 20:15:32,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:32,341 INFO L225 Difference]: With dead ends: 453 [2024-10-14 20:15:32,341 INFO L226 Difference]: Without dead ends: 432 [2024-10-14 20:15:32,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1927 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=840, Invalid=3450, Unknown=0, NotChecked=0, Total=4290 [2024-10-14 20:15:32,344 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 107 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:32,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 78 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:15:32,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-10-14 20:15:32,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 414. [2024-10-14 20:15:32,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 411 states have (on average 1.121654501216545) internal successors, (461), 413 states have internal predecessors, (461), 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) [2024-10-14 20:15:32,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 461 transitions. [2024-10-14 20:15:32,381 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 461 transitions. Word has length 49 [2024-10-14 20:15:32,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:32,381 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 461 transitions. [2024-10-14 20:15:32,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 2.5344827586206895) internal successors, (147), 58 states have internal predecessors, (147), 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) [2024-10-14 20:15:32,381 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 461 transitions. [2024-10-14 20:15:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 20:15:32,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:32,383 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:32,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 20:15:32,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-14 20:15:32,583 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:32,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:32,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1420578598, now seen corresponding path program 2 times [2024-10-14 20:15:32,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:32,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353145276] [2024-10-14 20:15:32,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:32,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:32,948 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:32,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:32,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353145276] [2024-10-14 20:15:32,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353145276] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:32,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727453752] [2024-10-14 20:15:32,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:15:32,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:32,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:32,950 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:32,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:15:32,984 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:15:32,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:15:32,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-14 20:15:32,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:33,391 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:33,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727453752] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:33,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:33,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 69 [2024-10-14 20:15:33,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564701934] [2024-10-14 20:15:33,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:33,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-10-14 20:15:33,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:33,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-10-14 20:15:33,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1096, Invalid=3874, Unknown=0, NotChecked=0, Total=4970 [2024-10-14 20:15:33,902 INFO L87 Difference]: Start difference. First operand 414 states and 461 transitions. Second operand has 71 states, 70 states have (on average 2.1857142857142855) internal successors, (153), 70 states have internal predecessors, (153), 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) [2024-10-14 20:15:34,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:34,529 INFO L93 Difference]: Finished difference Result 629 states and 719 transitions. [2024-10-14 20:15:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-14 20:15:34,529 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 70 states have (on average 2.1857142857142855) internal successors, (153), 70 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-10-14 20:15:34,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:34,531 INFO L225 Difference]: With dead ends: 629 [2024-10-14 20:15:34,531 INFO L226 Difference]: Without dead ends: 602 [2024-10-14 20:15:34,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3293 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1754, Invalid=6256, Unknown=0, NotChecked=0, Total=8010 [2024-10-14 20:15:34,533 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 288 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:34,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 115 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:15:34,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-10-14 20:15:34,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2024-10-14 20:15:34,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 599 states have (on average 1.1185308848080133) internal successors, (670), 601 states have internal predecessors, (670), 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) [2024-10-14 20:15:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 670 transitions. [2024-10-14 20:15:34,576 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 670 transitions. Word has length 51 [2024-10-14 20:15:34,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:34,577 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 670 transitions. [2024-10-14 20:15:34,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 2.1857142857142855) internal successors, (153), 70 states have internal predecessors, (153), 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) [2024-10-14 20:15:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 670 transitions. [2024-10-14 20:15:34,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 20:15:34,578 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:34,578 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:34,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-14 20:15:34,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-14 20:15:34,779 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:34,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:34,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1420580136, now seen corresponding path program 2 times [2024-10-14 20:15:34,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:34,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151033689] [2024-10-14 20:15:34,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:34,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:35,134 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:15:35,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:35,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151033689] [2024-10-14 20:15:35,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151033689] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:35,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881320001] [2024-10-14 20:15:35,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:15:35,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:35,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:35,137 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:35,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:15:35,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 20:15:35,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:15:35,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:15:35,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-10-14 20:15:35,247 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-10-14 20:15:35,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881320001] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:35,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:35,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 2, 2] total 24 [2024-10-14 20:15:35,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554935442] [2024-10-14 20:15:35,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:35,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-14 20:15:35,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:35,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-14 20:15:35,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2024-10-14 20:15:35,319 INFO L87 Difference]: Start difference. First operand 602 states and 670 transitions. Second operand has 26 states, 25 states have (on average 2.64) internal successors, (66), 25 states have internal predecessors, (66), 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) [2024-10-14 20:15:35,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:35,734 INFO L93 Difference]: Finished difference Result 649 states and 721 transitions. [2024-10-14 20:15:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-14 20:15:35,734 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.64) internal successors, (66), 25 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-10-14 20:15:35,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:35,736 INFO L225 Difference]: With dead ends: 649 [2024-10-14 20:15:35,736 INFO L226 Difference]: Without dead ends: 648 [2024-10-14 20:15:35,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=504, Invalid=1848, Unknown=0, NotChecked=0, Total=2352 [2024-10-14 20:15:35,737 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 252 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:35,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 195 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:35,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-10-14 20:15:35,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 353. [2024-10-14 20:15:35,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 351 states have (on average 1.0598290598290598) internal successors, (372), 352 states have internal predecessors, (372), 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) [2024-10-14 20:15:35,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 372 transitions. [2024-10-14 20:15:35,770 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 372 transitions. Word has length 51 [2024-10-14 20:15:35,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:35,771 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 372 transitions. [2024-10-14 20:15:35,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.64) internal successors, (66), 25 states have internal predecessors, (66), 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) [2024-10-14 20:15:35,771 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 372 transitions. [2024-10-14 20:15:35,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-14 20:15:35,772 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:35,772 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:35,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-14 20:15:35,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-14 20:15:35,973 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:35,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:35,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1419048385, now seen corresponding path program 1 times [2024-10-14 20:15:35,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:35,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676573492] [2024-10-14 20:15:35,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:35,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:36,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:36,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676573492] [2024-10-14 20:15:36,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676573492] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:36,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157082624] [2024-10-14 20:15:36,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:36,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:36,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:36,484 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:36,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:15:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:36,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-14 20:15:36,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:37,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:37,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157082624] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:37,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:37,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 75 [2024-10-14 20:15:37,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625933353] [2024-10-14 20:15:37,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:37,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-10-14 20:15:37,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:37,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-10-14 20:15:37,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1162, Invalid=4690, Unknown=0, NotChecked=0, Total=5852 [2024-10-14 20:15:37,636 INFO L87 Difference]: Start difference. First operand 353 states and 372 transitions. Second operand has 77 states, 76 states have (on average 2.25) internal successors, (171), 76 states have internal predecessors, (171), 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) [2024-10-14 20:15:38,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:38,231 INFO L93 Difference]: Finished difference Result 640 states and 677 transitions. [2024-10-14 20:15:38,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-14 20:15:38,231 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 76 states have (on average 2.25) internal successors, (171), 76 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-10-14 20:15:38,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:38,232 INFO L225 Difference]: With dead ends: 640 [2024-10-14 20:15:38,233 INFO L226 Difference]: Without dead ends: 619 [2024-10-14 20:15:38,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3872 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1783, Invalid=7147, Unknown=0, NotChecked=0, Total=8930 [2024-10-14 20:15:38,235 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 266 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:38,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 103 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:15:38,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-10-14 20:15:38,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 353. [2024-10-14 20:15:38,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 351 states have (on average 1.0598290598290598) internal successors, (372), 352 states have internal predecessors, (372), 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) [2024-10-14 20:15:38,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 372 transitions. [2024-10-14 20:15:38,266 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 372 transitions. Word has length 57 [2024-10-14 20:15:38,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:38,266 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 372 transitions. [2024-10-14 20:15:38,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 76 states have (on average 2.25) internal successors, (171), 76 states have internal predecessors, (171), 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) [2024-10-14 20:15:38,267 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 372 transitions. [2024-10-14 20:15:38,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-14 20:15:38,268 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:38,268 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1] [2024-10-14 20:15:38,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-14 20:15:38,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:38,473 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:38,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:38,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1094460849, now seen corresponding path program 2 times [2024-10-14 20:15:38,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:38,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089120298] [2024-10-14 20:15:38,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:38,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:39,032 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:39,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:39,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089120298] [2024-10-14 20:15:39,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089120298] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:39,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602512178] [2024-10-14 20:15:39,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:15:39,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:39,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:39,035 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:39,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:15:39,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:15:39,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:15:39,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-14 20:15:39,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:39,664 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:39,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:40,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602512178] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:40,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:40,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 87 [2024-10-14 20:15:40,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754520224] [2024-10-14 20:15:40,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:40,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-10-14 20:15:40,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:40,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-10-14 20:15:40,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1438, Invalid=6394, Unknown=0, NotChecked=0, Total=7832 [2024-10-14 20:15:40,354 INFO L87 Difference]: Start difference. First operand 353 states and 372 transitions. Second operand has 89 states, 88 states have (on average 2.352272727272727) internal successors, (207), 88 states have internal predecessors, (207), 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) [2024-10-14 20:15:40,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:40,998 INFO L93 Difference]: Finished difference Result 787 states and 825 transitions. [2024-10-14 20:15:40,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-10-14 20:15:40,999 INFO L78 Accepts]: Start accepts. Automaton has has 89 states, 88 states have (on average 2.352272727272727) internal successors, (207), 88 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-10-14 20:15:40,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:41,000 INFO L225 Difference]: With dead ends: 787 [2024-10-14 20:15:41,001 INFO L226 Difference]: Without dead ends: 764 [2024-10-14 20:15:41,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5042 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2007, Invalid=8913, Unknown=0, NotChecked=0, Total=10920 [2024-10-14 20:15:41,002 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 161 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:41,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 99 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:15:41,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-10-14 20:15:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 358. [2024-10-14 20:15:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 356 states have (on average 1.0646067415730338) internal successors, (379), 357 states have internal predecessors, (379), 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) [2024-10-14 20:15:41,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 379 transitions. [2024-10-14 20:15:41,045 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 379 transitions. Word has length 69 [2024-10-14 20:15:41,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:41,046 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 379 transitions. [2024-10-14 20:15:41,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 88 states have (on average 2.352272727272727) internal successors, (207), 88 states have internal predecessors, (207), 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) [2024-10-14 20:15:41,046 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 379 transitions. [2024-10-14 20:15:41,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 20:15:41,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:41,047 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1] [2024-10-14 20:15:41,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-14 20:15:41,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:41,247 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:41,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:41,248 INFO L85 PathProgramCache]: Analyzing trace with hash 182239458, now seen corresponding path program 2 times [2024-10-14 20:15:41,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:41,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851942371] [2024-10-14 20:15:41,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:41,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:41,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:41,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851942371] [2024-10-14 20:15:41,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851942371] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:41,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839868466] [2024-10-14 20:15:41,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:15:41,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:41,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:41,709 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:41,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:15:41,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 20:15:41,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:15:41,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:15:41,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-10-14 20:15:41,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-10-14 20:15:41,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839868466] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:41,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:41,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 2, 2] total 26 [2024-10-14 20:15:41,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469167143] [2024-10-14 20:15:41,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:41,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-14 20:15:41,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:41,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-14 20:15:41,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2024-10-14 20:15:41,898 INFO L87 Difference]: Start difference. First operand 358 states and 379 transitions. Second operand has 28 states, 27 states have (on average 3.4814814814814814) internal successors, (94), 27 states have internal predecessors, (94), 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) [2024-10-14 20:15:42,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:42,435 INFO L93 Difference]: Finished difference Result 1096 states and 1129 transitions. [2024-10-14 20:15:42,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-14 20:15:42,435 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.4814814814814814) internal successors, (94), 27 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-10-14 20:15:42,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:42,437 INFO L225 Difference]: With dead ends: 1096 [2024-10-14 20:15:42,437 INFO L226 Difference]: Without dead ends: 1095 [2024-10-14 20:15:42,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=585, Invalid=2171, Unknown=0, NotChecked=0, Total=2756 [2024-10-14 20:15:42,438 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 126 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:42,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 95 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:15:42,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2024-10-14 20:15:42,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 357. [2024-10-14 20:15:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.053370786516854) internal successors, (375), 356 states have internal predecessors, (375), 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) [2024-10-14 20:15:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 375 transitions. [2024-10-14 20:15:42,492 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 375 transitions. Word has length 79 [2024-10-14 20:15:42,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:42,493 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 375 transitions. [2024-10-14 20:15:42,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.4814814814814814) internal successors, (94), 27 states have internal predecessors, (94), 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) [2024-10-14 20:15:42,493 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 375 transitions. [2024-10-14 20:15:42,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 20:15:42,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:42,494 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:15:42,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-14 20:15:42,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:42,695 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:42,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:42,695 INFO L85 PathProgramCache]: Analyzing trace with hash -39815217, now seen corresponding path program 3 times [2024-10-14 20:15:42,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:42,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754023204] [2024-10-14 20:15:42,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:42,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 0 proven. 862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:43,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:43,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754023204] [2024-10-14 20:15:43,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754023204] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:43,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141054680] [2024-10-14 20:15:43,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:15:43,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:43,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:43,740 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:43,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-14 20:15:43,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-10-14 20:15:43,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:15:43,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-10-14 20:15:43,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 0 proven. 862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:44,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:46,542 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 0 proven. 862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:46,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141054680] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:46,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:46,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 135 [2024-10-14 20:15:46,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073789522] [2024-10-14 20:15:46,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:46,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2024-10-14 20:15:46,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:46,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2024-10-14 20:15:46,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4110, Invalid=14522, Unknown=0, NotChecked=0, Total=18632 [2024-10-14 20:15:46,545 INFO L87 Difference]: Start difference. First operand 357 states and 375 transitions. Second operand has 137 states, 136 states have (on average 2.0955882352941178) internal successors, (285), 136 states have internal predecessors, (285), 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) [2024-10-14 20:15:48,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:48,097 INFO L93 Difference]: Finished difference Result 936 states and 997 transitions. [2024-10-14 20:15:48,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-10-14 20:15:48,097 INFO L78 Accepts]: Start accepts. Automaton has has 137 states, 136 states have (on average 2.0955882352941178) internal successors, (285), 136 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-10-14 20:15:48,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:48,099 INFO L225 Difference]: With dead ends: 936 [2024-10-14 20:15:48,100 INFO L226 Difference]: Without dead ends: 889 [2024-10-14 20:15:48,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13600 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=6880, Invalid=24626, Unknown=0, NotChecked=0, Total=31506 [2024-10-14 20:15:48,102 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 789 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:48,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 153 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:15:48,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2024-10-14 20:15:48,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 599. [2024-10-14 20:15:48,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 598 states have (on average 1.0317725752508362) internal successors, (617), 598 states have internal predecessors, (617), 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) [2024-10-14 20:15:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 617 transitions. [2024-10-14 20:15:48,201 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 617 transitions. Word has length 95 [2024-10-14 20:15:48,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:48,201 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 617 transitions. [2024-10-14 20:15:48,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 136 states have (on average 2.0955882352941178) internal successors, (285), 136 states have internal predecessors, (285), 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) [2024-10-14 20:15:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 617 transitions. [2024-10-14 20:15:48,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 20:15:48,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:48,203 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 14, 5, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-10-14 20:15:48,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-14 20:15:48,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:48,403 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:48,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:48,404 INFO L85 PathProgramCache]: Analyzing trace with hash -576141840, now seen corresponding path program 3 times [2024-10-14 20:15:48,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:48,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663202616] [2024-10-14 20:15:48,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:48,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 0 proven. 547 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:49,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:49,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663202616] [2024-10-14 20:15:49,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663202616] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:49,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520292216] [2024-10-14 20:15:49,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:15:49,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:49,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:49,343 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:49,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-14 20:15:49,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-10-14 20:15:49,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:15:49,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-10-14 20:15:49,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 0 proven. 547 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:50,430 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:51,823 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 0 proven. 547 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:51,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520292216] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:51,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:51,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 129 [2024-10-14 20:15:51,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839490364] [2024-10-14 20:15:51,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:51,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-10-14 20:15:51,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:51,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-10-14 20:15:51,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3276, Invalid=13754, Unknown=0, NotChecked=0, Total=17030 [2024-10-14 20:15:51,827 INFO L87 Difference]: Start difference. First operand 599 states and 617 transitions. Second operand has 131 states, 130 states have (on average 2.1923076923076925) internal successors, (285), 130 states have internal predecessors, (285), 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) [2024-10-14 20:15:53,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:53,212 INFO L93 Difference]: Finished difference Result 1389 states and 1441 transitions. [2024-10-14 20:15:53,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-10-14 20:15:53,213 INFO L78 Accepts]: Start accepts. Automaton has has 131 states, 130 states have (on average 2.1923076923076925) internal successors, (285), 130 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-10-14 20:15:53,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:53,216 INFO L225 Difference]: With dead ends: 1389 [2024-10-14 20:15:53,216 INFO L226 Difference]: Without dead ends: 1350 [2024-10-14 20:15:53,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12134 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=5195, Invalid=21537, Unknown=0, NotChecked=0, Total=26732 [2024-10-14 20:15:53,218 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 529 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:53,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 134 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:15:53,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-10-14 20:15:53,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 599. [2024-10-14 20:15:53,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 598 states have (on average 1.0317725752508362) internal successors, (617), 598 states have internal predecessors, (617), 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) [2024-10-14 20:15:53,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 617 transitions. [2024-10-14 20:15:53,365 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 617 transitions. Word has length 95 [2024-10-14 20:15:53,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:53,366 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 617 transitions. [2024-10-14 20:15:53,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 130 states have (on average 2.1923076923076925) internal successors, (285), 130 states have internal predecessors, (285), 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) [2024-10-14 20:15:53,366 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 617 transitions. [2024-10-14 20:15:53,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 20:15:53,367 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:53,367 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1] [2024-10-14 20:15:53,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-14 20:15:53,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:53,568 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:53,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:53,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1566641082, now seen corresponding path program 2 times [2024-10-14 20:15:53,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:53,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889986661] [2024-10-14 20:15:53,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:53,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:54,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:54,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889986661] [2024-10-14 20:15:54,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889986661] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:54,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488441784] [2024-10-14 20:15:54,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:15:54,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:54,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:54,422 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:54,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-14 20:15:54,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:15:54,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:15:54,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-14 20:15:54,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:15:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:55,466 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:15:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:56,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488441784] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:15:56,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:15:56,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 123 [2024-10-14 20:15:56,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209471956] [2024-10-14 20:15:56,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:15:56,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2024-10-14 20:15:56,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:15:56,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2024-10-14 20:15:56,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2898, Invalid=12602, Unknown=0, NotChecked=0, Total=15500 [2024-10-14 20:15:56,737 INFO L87 Difference]: Start difference. First operand 599 states and 617 transitions. Second operand has 125 states, 124 states have (on average 2.370967741935484) internal successors, (294), 124 states have internal predecessors, (294), 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) [2024-10-14 20:15:57,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:15:57,670 INFO L93 Difference]: Finished difference Result 1155 states and 1208 transitions. [2024-10-14 20:15:57,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-10-14 20:15:57,670 INFO L78 Accepts]: Start accepts. Automaton has has 125 states, 124 states have (on average 2.370967741935484) internal successors, (294), 124 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 20:15:57,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:15:57,673 INFO L225 Difference]: With dead ends: 1155 [2024-10-14 20:15:57,673 INFO L226 Difference]: Without dead ends: 1116 [2024-10-14 20:15:57,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9722 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=3656, Invalid=16084, Unknown=0, NotChecked=0, Total=19740 [2024-10-14 20:15:57,674 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 251 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:15:57,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 104 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:15:57,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2024-10-14 20:15:57,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 694. [2024-10-14 20:15:57,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 693 states have (on average 1.0447330447330447) internal successors, (724), 693 states have internal predecessors, (724), 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) [2024-10-14 20:15:57,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 724 transitions. [2024-10-14 20:15:57,822 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 724 transitions. Word has length 98 [2024-10-14 20:15:57,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:15:57,823 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 724 transitions. [2024-10-14 20:15:57,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 124 states have (on average 2.370967741935484) internal successors, (294), 124 states have internal predecessors, (294), 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) [2024-10-14 20:15:57,823 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 724 transitions. [2024-10-14 20:15:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-14 20:15:57,825 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:15:57,825 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 16, 7, 7, 7, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1] [2024-10-14 20:15:57,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-14 20:15:58,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-10-14 20:15:58,026 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:15:58,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:15:58,027 INFO L85 PathProgramCache]: Analyzing trace with hash -742559243, now seen corresponding path program 4 times [2024-10-14 20:15:58,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:15:58,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166237098] [2024-10-14 20:15:58,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:15:58,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:15:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:15:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:15:59,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:15:59,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166237098] [2024-10-14 20:15:59,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166237098] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:15:59,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235175928] [2024-10-14 20:15:59,363 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 20:15:59,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:15:59,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:15:59,364 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:15:59,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-14 20:15:59,413 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 20:15:59,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:15:59,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-10-14 20:15:59,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:16:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:16:00,823 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:16:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:16:02,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235175928] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:16:02,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:16:02,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 159 [2024-10-14 20:16:02,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813108907] [2024-10-14 20:16:02,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:16:02,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2024-10-14 20:16:02,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:16:02,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2024-10-14 20:16:02,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4822, Invalid=20938, Unknown=0, NotChecked=0, Total=25760 [2024-10-14 20:16:02,921 INFO L87 Difference]: Start difference. First operand 694 states and 724 transitions. Second operand has 161 states, 160 states have (on average 2.19375) internal successors, (351), 160 states have internal predecessors, (351), 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) [2024-10-14 20:16:04,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:16:04,997 INFO L93 Difference]: Finished difference Result 1894 states and 1964 transitions. [2024-10-14 20:16:04,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-10-14 20:16:04,997 INFO L78 Accepts]: Start accepts. Automaton has has 161 states, 160 states have (on average 2.19375) internal successors, (351), 160 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-10-14 20:16:04,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:16:05,001 INFO L225 Difference]: With dead ends: 1894 [2024-10-14 20:16:05,001 INFO L226 Difference]: Without dead ends: 1849 [2024-10-14 20:16:05,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18612 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=7623, Invalid=32577, Unknown=0, NotChecked=0, Total=40200 [2024-10-14 20:16:05,003 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 616 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:16:05,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 180 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:16:05,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2024-10-14 20:16:05,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 694. [2024-10-14 20:16:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 693 states have (on average 1.0447330447330447) internal successors, (724), 693 states have internal predecessors, (724), 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) [2024-10-14 20:16:05,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 724 transitions. [2024-10-14 20:16:05,225 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 724 transitions. Word has length 117 [2024-10-14 20:16:05,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:16:05,226 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 724 transitions. [2024-10-14 20:16:05,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 160 states have (on average 2.19375) internal successors, (351), 160 states have internal predecessors, (351), 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) [2024-10-14 20:16:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 724 transitions. [2024-10-14 20:16:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-14 20:16:05,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:16:05,228 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 8, 8, 8, 7, 7, 6, 1, 1, 1, 1, 1] [2024-10-14 20:16:05,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-14 20:16:05,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-14 20:16:05,428 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:16:05,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:16:05,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1033335843, now seen corresponding path program 5 times [2024-10-14 20:16:05,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:16:05,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138712600] [2024-10-14 20:16:05,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:16:05,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:16:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:16:06,932 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 816 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:16:06,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:16:06,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138712600] [2024-10-14 20:16:06,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138712600] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:16:06,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583366140] [2024-10-14 20:16:06,933 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 20:16:06,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:16:06,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:16:06,934 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:16:06,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-14 20:16:06,995 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-10-14 20:16:06,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:16:06,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-10-14 20:16:06,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:16:08,664 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 816 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:16:08,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:16:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 816 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:16:10,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583366140] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:16:10,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:16:10,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 171 [2024-10-14 20:16:10,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538663237] [2024-10-14 20:16:10,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:16:10,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2024-10-14 20:16:10,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:16:10,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2024-10-14 20:16:10,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5226, Invalid=24530, Unknown=0, NotChecked=0, Total=29756 [2024-10-14 20:16:10,982 INFO L87 Difference]: Start difference. First operand 694 states and 724 transitions. Second operand has 173 states, 172 states have (on average 2.3197674418604652) internal successors, (399), 172 states have internal predecessors, (399), 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) [2024-10-14 20:16:12,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:16:12,870 INFO L93 Difference]: Finished difference Result 1632 states and 1697 transitions. [2024-10-14 20:16:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-10-14 20:16:12,871 INFO L78 Accepts]: Start accepts. Automaton has has 173 states, 172 states have (on average 2.3197674418604652) internal successors, (399), 172 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2024-10-14 20:16:12,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:16:12,875 INFO L225 Difference]: With dead ends: 1632 [2024-10-14 20:16:12,875 INFO L226 Difference]: Without dead ends: 1593 [2024-10-14 20:16:12,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20406 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=7367, Invalid=34453, Unknown=0, NotChecked=0, Total=41820 [2024-10-14 20:16:12,878 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 420 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:16:12,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 144 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:16:12,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2024-10-14 20:16:13,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 719. [2024-10-14 20:16:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 718 states have (on average 1.0487465181058495) internal successors, (753), 718 states have internal predecessors, (753), 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) [2024-10-14 20:16:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 753 transitions. [2024-10-14 20:16:13,071 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 753 transitions. Word has length 133 [2024-10-14 20:16:13,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:16:13,071 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 753 transitions. [2024-10-14 20:16:13,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 173 states, 172 states have (on average 2.3197674418604652) internal successors, (399), 172 states have internal predecessors, (399), 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) [2024-10-14 20:16:13,072 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 753 transitions. [2024-10-14 20:16:13,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-14 20:16:13,073 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:16:13,074 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 24, 9, 9, 9, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1] [2024-10-14 20:16:13,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-14 20:16:13,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-14 20:16:13,274 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:16:13,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:16:13,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1164513756, now seen corresponding path program 6 times [2024-10-14 20:16:13,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:16:13,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751251520] [2024-10-14 20:16:13,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:16:13,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:16:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:16:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 0 proven. 1713 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:16:15,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:16:15,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751251520] [2024-10-14 20:16:15,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751251520] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:16:15,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308919727] [2024-10-14 20:16:15,891 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-14 20:16:15,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:16:15,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:16:15,892 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:16:15,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-14 20:16:15,966 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2024-10-14 20:16:15,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:16:15,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-10-14 20:16:15,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:16:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 0 proven. 1713 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:16:18,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:16:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 0 proven. 1713 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:16:22,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308919727] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:16:22,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:16:22,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 225 [2024-10-14 20:16:22,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864805628] [2024-10-14 20:16:22,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:16:22,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 227 states [2024-10-14 20:16:22,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:16:22,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2024-10-14 20:16:22,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9612, Invalid=41690, Unknown=0, NotChecked=0, Total=51302 [2024-10-14 20:16:22,413 INFO L87 Difference]: Start difference. First operand 719 states and 753 transitions. Second operand has 227 states, 226 states have (on average 2.163716814159292) internal successors, (489), 226 states have internal predecessors, (489), 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) [2024-10-14 20:16:26,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:16:26,346 INFO L93 Difference]: Finished difference Result 2513 states and 2605 transitions. [2024-10-14 20:16:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2024-10-14 20:16:26,346 INFO L78 Accepts]: Start accepts. Automaton has has 227 states, 226 states have (on average 2.163716814159292) internal successors, (489), 226 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2024-10-14 20:16:26,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:16:26,352 INFO L225 Difference]: With dead ends: 2513 [2024-10-14 20:16:26,352 INFO L226 Difference]: Without dead ends: 2450 [2024-10-14 20:16:26,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38103 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=15491, Invalid=66019, Unknown=0, NotChecked=0, Total=81510 [2024-10-14 20:16:26,354 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 914 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:16:26,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [914 Valid, 240 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:16:26,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2450 states. [2024-10-14 20:16:26,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2450 to 877. [2024-10-14 20:16:26,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 876 states have (on average 1.0399543378995433) internal successors, (911), 876 states have internal predecessors, (911), 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) [2024-10-14 20:16:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 911 transitions. [2024-10-14 20:16:26,663 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 911 transitions. Word has length 163 [2024-10-14 20:16:26,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:16:26,663 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 911 transitions. [2024-10-14 20:16:26,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 227 states, 226 states have (on average 2.163716814159292) internal successors, (489), 226 states have internal predecessors, (489), 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) [2024-10-14 20:16:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 911 transitions. [2024-10-14 20:16:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-14 20:16:26,666 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:16:26,666 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 19, 19, 19, 12, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1] [2024-10-14 20:16:26,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-14 20:16:26,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:16:26,866 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:16:26,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:16:26,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1617244893, now seen corresponding path program 7 times [2024-10-14 20:16:26,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:16:26,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500124144] [2024-10-14 20:16:26,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:16:26,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:16:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:16:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:16:29,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:16:29,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500124144] [2024-10-14 20:16:29,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500124144] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:16:29,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112194301] [2024-10-14 20:16:29,467 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-14 20:16:29,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:16:29,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:16:29,468 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:16:29,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-14 20:16:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:16:29,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-10-14 20:16:29,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:16:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:16:32,651 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:16:37,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:16:37,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112194301] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:16:37,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:16:37,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81, 81] total 243 [2024-10-14 20:16:37,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456125852] [2024-10-14 20:16:37,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:16:37,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 245 states [2024-10-14 20:16:37,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:16:37,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 245 interpolants. [2024-10-14 20:16:37,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10338, Invalid=49442, Unknown=0, NotChecked=0, Total=59780 [2024-10-14 20:16:37,104 INFO L87 Difference]: Start difference. First operand 877 states and 911 transitions. Second operand has 245 states, 244 states have (on average 2.2745901639344264) internal successors, (555), 244 states have internal predecessors, (555), 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) [2024-10-14 20:16:40,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:16:40,658 INFO L93 Difference]: Finished difference Result 1983 states and 2077 transitions. [2024-10-14 20:16:40,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-10-14 20:16:40,658 INFO L78 Accepts]: Start accepts. Automaton has has 245 states, 244 states have (on average 2.2745901639344264) internal successors, (555), 244 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2024-10-14 20:16:40,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:16:40,662 INFO L225 Difference]: With dead ends: 1983 [2024-10-14 20:16:40,662 INFO L226 Difference]: Without dead ends: 1918 [2024-10-14 20:16:40,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 293 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42569 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=15143, Invalid=71587, Unknown=0, NotChecked=0, Total=86730 [2024-10-14 20:16:40,665 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 752 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:16:40,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 224 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:16:40,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2024-10-14 20:16:41,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 937. [2024-10-14 20:16:41,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 936 states have (on average 1.045940170940171) internal successors, (979), 936 states have internal predecessors, (979), 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) [2024-10-14 20:16:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 979 transitions. [2024-10-14 20:16:41,032 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 979 transitions. Word has length 185 [2024-10-14 20:16:41,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:16:41,033 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 979 transitions. [2024-10-14 20:16:41,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 245 states, 244 states have (on average 2.2745901639344264) internal successors, (555), 244 states have internal predecessors, (555), 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) [2024-10-14 20:16:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 979 transitions. [2024-10-14 20:16:41,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-10-14 20:16:41,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:16:41,036 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 21, 21, 21, 21, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1] [2024-10-14 20:16:41,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0