./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3d22aeda2fb15b9dd79854281ee0f5e475c0f7ee1551b76594f45703ddc81df --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:22:51,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:22:51,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:22:51,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:22:51,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:22:51,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:22:51,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:22:51,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:22:51,304 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:22:51,316 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:22:51,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:22:51,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:22:51,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:22:51,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:22:51,319 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:22:51,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:22:51,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:22:51,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:22:51,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:22:51,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:22:51,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:22:51,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:22:51,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:22:51,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:22:51,323 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:22:51,323 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:22:51,323 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:22:51,324 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:22:51,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:22:51,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:22:51,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:22:51,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:22:51,325 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:22:51,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:22:51,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:22:51,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:22:51,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:22:51,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:22:51,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:22:51,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:22:51,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:22:51,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:22:51,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:22:51,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:22:51,329 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3d22aeda2fb15b9dd79854281ee0f5e475c0f7ee1551b76594f45703ddc81df [2024-10-11 20:22:51,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:22:51,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:22:51,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:22:51,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:22:51,612 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:22:51,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c [2024-10-11 20:22:53,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:22:53,278 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:22:53,278 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c [2024-10-11 20:22:53,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6f5b58a68/2895ceaa60664b1cabe21cae1fb02185/FLAGf4234378c [2024-10-11 20:22:53,299 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6f5b58a68/2895ceaa60664b1cabe21cae1fb02185 [2024-10-11 20:22:53,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:22:53,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:22:53,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:22:53,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:22:53,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:22:53,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502c23a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53, skipping insertion in model container [2024-10-11 20:22:53,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:22:53,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:22:53,505 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:22:53,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:22:53,537 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:22:53,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53 WrapperNode [2024-10-11 20:22:53,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:22:53,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:22:53,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:22:53,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:22:53,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,570 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-10-11 20:22:53,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:22:53,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:22:53,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:22:53,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:22:53,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,593 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [2, 1]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 1 writes are split as follows [1, 0]. [2024-10-11 20:22:53,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:22:53,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:22:53,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:22:53,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:22:53,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (1/1) ... [2024-10-11 20:22:53,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:22:53,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:22:53,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:22:53,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:22:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 20:22:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 20:22:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:22:53,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:22:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 20:22:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 20:22:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 20:22:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 20:22:53,830 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:22:53,832 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:22:54,022 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-11 20:22:54,023 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:22:54,070 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:22:54,070 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-11 20:22:54,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:22:54 BoogieIcfgContainer [2024-10-11 20:22:54,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:22:54,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:22:54,074 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:22:54,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:22:54,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:22:53" (1/3) ... [2024-10-11 20:22:54,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd277c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:22:54, skipping insertion in model container [2024-10-11 20:22:54,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:22:53" (2/3) ... [2024-10-11 20:22:54,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd277c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:22:54, skipping insertion in model container [2024-10-11 20:22:54,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:22:54" (3/3) ... [2024-10-11 20:22:54,081 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength4.c [2024-10-11 20:22:54,094 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:22:54,095 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-11 20:22:54,145 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:22:54,151 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;@673ef0e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:22:54,152 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-11 20:22:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 21 states have internal predecessors, (28), 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) [2024-10-11 20:22:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 20:22:54,160 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:22:54,160 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 20:22:54,161 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:22:54,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:22:54,165 INFO L85 PathProgramCache]: Analyzing trace with hash 3020661, now seen corresponding path program 1 times [2024-10-11 20:22:54,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:22:54,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880772851] [2024-10-11 20:22:54,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:54,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:22:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:22:54,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:22:54,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880772851] [2024-10-11 20:22:54,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880772851] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:22:54,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:22:54,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:22:54,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137799108] [2024-10-11 20:22:54,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:22:54,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:22:54,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:22:54,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:22:54,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:22:54,491 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 21 states have internal predecessors, (28), 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 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2024-10-11 20:22:54,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:22:54,567 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2024-10-11 20:22:54,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:22:54,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 [2024-10-11 20:22:54,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:22:54,576 INFO L225 Difference]: With dead ends: 47 [2024-10-11 20:22:54,576 INFO L226 Difference]: Without dead ends: 23 [2024-10-11 20:22:54,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:22:54,582 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:22:54,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 44 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:22:54,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-11 20:22:54,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-10-11 20:22:54,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.5625) internal successors, (25), 21 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) [2024-10-11 20:22:54,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-10-11 20:22:54,612 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 4 [2024-10-11 20:22:54,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:22:54,613 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-10-11 20:22:54,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2024-10-11 20:22:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-10-11 20:22:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:22:54,613 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:22:54,614 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:22:54,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:22:54,616 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:22:54,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:22:54,617 INFO L85 PathProgramCache]: Analyzing trace with hash 93591234, now seen corresponding path program 1 times [2024-10-11 20:22:54,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:22:54,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153431098] [2024-10-11 20:22:54,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:54,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:22:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:22:54,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:22:54,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153431098] [2024-10-11 20:22:54,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153431098] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:22:54,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:22:54,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:22:54,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100456400] [2024-10-11 20:22:54,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:22:54,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:22:54,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:22:54,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:22:54,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:22:54,717 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 3 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) [2024-10-11 20:22:54,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:22:54,740 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2024-10-11 20:22:54,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:22:54,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 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 [2024-10-11 20:22:54,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:22:54,742 INFO L225 Difference]: With dead ends: 43 [2024-10-11 20:22:54,742 INFO L226 Difference]: Without dead ends: 22 [2024-10-11 20:22:54,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:22:54,745 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:22:54,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:22:54,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-10-11 20:22:54,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-10-11 20:22:54,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.5) internal successors, (24), 21 states have internal predecessors, (24), 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) [2024-10-11 20:22:54,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2024-10-11 20:22:54,751 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 5 [2024-10-11 20:22:54,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:22:54,752 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2024-10-11 20:22:54,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2024-10-11 20:22:54,753 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-10-11 20:22:54,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 20:22:54,753 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:22:54,754 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 20:22:54,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:22:54,754 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:22:54,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:22:54,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1394794819, now seen corresponding path program 1 times [2024-10-11 20:22:54,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:22:54,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768745923] [2024-10-11 20:22:54,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:54,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:22:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:22:54,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:22:54,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768745923] [2024-10-11 20:22:54,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768745923] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:22:54,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:22:54,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:22:54,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789818235] [2024-10-11 20:22:54,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:22:54,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:22:54,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:22:54,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:22:54,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:22:54,810 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2024-10-11 20:22:54,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:22:54,865 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2024-10-11 20:22:54,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:22:54,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 [2024-10-11 20:22:54,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:22:54,866 INFO L225 Difference]: With dead ends: 43 [2024-10-11 20:22:54,866 INFO L226 Difference]: Without dead ends: 36 [2024-10-11 20:22:54,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:22:54,868 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:22:54,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 34 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:22:54,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-11 20:22:54,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2024-10-11 20:22:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.380952380952381) internal successors, (29), 26 states have internal predecessors, (29), 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) [2024-10-11 20:22:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2024-10-11 20:22:54,873 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 6 [2024-10-11 20:22:54,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:22:54,873 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2024-10-11 20:22:54,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2024-10-11 20:22:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-10-11 20:22:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 20:22:54,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:22:54,874 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-11 20:22:54,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 20:22:54,874 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:22:54,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:22:54,875 INFO L85 PathProgramCache]: Analyzing trace with hash -205746350, now seen corresponding path program 1 times [2024-10-11 20:22:54,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:22:54,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820296217] [2024-10-11 20:22:54,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:54,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:22:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:55,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:22:55,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:22:55,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820296217] [2024-10-11 20:22:55,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820296217] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:22:55,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411640626] [2024-10-11 20:22:55,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:55,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:22:55,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:22:55,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:22:55,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:22:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:55,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:22:55,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:22:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:22:55,150 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:22:55,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411640626] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:22:55,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:22:55,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-11 20:22:55,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500507575] [2024-10-11 20:22:55,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:22:55,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:22:55,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:22:55,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:22:55,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:22:55,152 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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) [2024-10-11 20:22:55,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:22:55,190 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2024-10-11 20:22:55,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:22:55,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 [2024-10-11 20:22:55,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:22:55,191 INFO L225 Difference]: With dead ends: 27 [2024-10-11 20:22:55,191 INFO L226 Difference]: Without dead ends: 26 [2024-10-11 20:22:55,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:22:55,193 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:22:55,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 34 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:22:55,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-11 20:22:55,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-10-11 20:22:55,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 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) [2024-10-11 20:22:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2024-10-11 20:22:55,203 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 7 [2024-10-11 20:22:55,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:22:55,203 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2024-10-11 20:22:55,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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) [2024-10-11 20:22:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-10-11 20:22:55,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:22:55,204 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:22:55,204 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:22:55,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:22:55,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:22:55,406 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)] === [2024-10-11 20:22:55,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:22:55,407 INFO L85 PathProgramCache]: Analyzing trace with hash -2083218811, now seen corresponding path program 1 times [2024-10-11 20:22:55,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:22:55,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116342742] [2024-10-11 20:22:55,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:55,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:22:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:22:55,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:22:55,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116342742] [2024-10-11 20:22:55,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116342742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:22:55,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:22:55,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:22:55,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939499905] [2024-10-11 20:22:55,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:22:55,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:22:55,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:22:55,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:22:55,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:22:55,487 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-11 20:22:55,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:22:55,526 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2024-10-11 20:22:55,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:22:55,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-10-11 20:22:55,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:22:55,527 INFO L225 Difference]: With dead ends: 38 [2024-10-11 20:22:55,527 INFO L226 Difference]: Without dead ends: 36 [2024-10-11 20:22:55,528 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 [2024-10-11 20:22:55,529 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:22:55,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 31 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:22:55,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-11 20:22:55,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-10-11 20:22:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.3) internal successors, (39), 34 states have internal predecessors, (39), 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) [2024-10-11 20:22:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2024-10-11 20:22:55,534 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 8 [2024-10-11 20:22:55,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:22:55,534 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2024-10-11 20:22:55,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-11 20:22:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-10-11 20:22:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:22:55,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:22:55,535 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-11 20:22:55,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:22:55,535 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:22:55,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:22:55,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2083169500, now seen corresponding path program 1 times [2024-10-11 20:22:55,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:22:55,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95768330] [2024-10-11 20:22:55,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:55,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:22:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:55,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:22:55,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:22:55,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95768330] [2024-10-11 20:22:55,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95768330] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:22:55,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548885115] [2024-10-11 20:22:55,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:55,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:22:55,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:22:55,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:22:55,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:22:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:55,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:22:55,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:22:55,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:22:55,710 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:22:55,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:22:55,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548885115] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:22:55,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:22:55,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:22:55,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739962379] [2024-10-11 20:22:55,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:22:55,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:22:55,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:22:55,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:22:55,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:22:55,776 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 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) [2024-10-11 20:22:55,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:22:55,839 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2024-10-11 20:22:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:22:55,839 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 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 8 [2024-10-11 20:22:55,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:22:55,841 INFO L225 Difference]: With dead ends: 60 [2024-10-11 20:22:55,841 INFO L226 Difference]: Without dead ends: 59 [2024-10-11 20:22:55,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:22:55,842 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:22:55,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 47 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:22:55,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-11 20:22:55,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2024-10-11 20:22:55,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 48 states have (on average 1.3125) internal successors, (63), 52 states have internal predecessors, (63), 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) [2024-10-11 20:22:55,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2024-10-11 20:22:55,852 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 8 [2024-10-11 20:22:55,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:22:55,852 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2024-10-11 20:22:55,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 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) [2024-10-11 20:22:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2024-10-11 20:22:55,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 20:22:55,853 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:22:55,853 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 20:22:55,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 20:22:56,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:22:56,054 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:22:56,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:22:56,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1511320172, now seen corresponding path program 1 times [2024-10-11 20:22:56,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:22:56,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638260465] [2024-10-11 20:22:56,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:56,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:22:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:22:56,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:22:56,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638260465] [2024-10-11 20:22:56,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638260465] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:22:56,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845469161] [2024-10-11 20:22:56,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:56,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:22:56,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:22:56,195 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:22:56,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:22:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:56,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:22:56,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:22:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:22:56,319 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:22:56,359 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:22:56,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845469161] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:22:56,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:22:56,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:22:56,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783647163] [2024-10-11 20:22:56,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:22:56,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:22:56,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:22:56,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:22:56,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:22:56,363 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 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) [2024-10-11 20:22:56,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:22:56,407 INFO L93 Difference]: Finished difference Result 89 states and 104 transitions. [2024-10-11 20:22:56,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:22:56,408 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 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) Word has length 16 [2024-10-11 20:22:56,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:22:56,408 INFO L225 Difference]: With dead ends: 89 [2024-10-11 20:22:56,409 INFO L226 Difference]: Without dead ends: 53 [2024-10-11 20:22:56,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:22:56,410 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:22:56,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:22:56,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-11 20:22:56,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-11 20:22:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 52 states have internal predecessors, (59), 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) [2024-10-11 20:22:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2024-10-11 20:22:56,416 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 16 [2024-10-11 20:22:56,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:22:56,416 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2024-10-11 20:22:56,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 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) [2024-10-11 20:22:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2024-10-11 20:22:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:22:56,417 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:22:56,417 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2024-10-11 20:22:56,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 20:22:56,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:22:56,622 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)] === [2024-10-11 20:22:56,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:22:56,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1241511519, now seen corresponding path program 2 times [2024-10-11 20:22:56,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:22:56,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617768351] [2024-10-11 20:22:56,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:56,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:22:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:56,827 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:22:56,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:22:56,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617768351] [2024-10-11 20:22:56,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617768351] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:22:56,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726765018] [2024-10-11 20:22:56,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:22:56,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:22:56,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:22:56,830 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:22:56,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:22:56,880 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:22:56,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:22:56,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:22:56,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:22:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:22:56,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:22:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:22:56,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726765018] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:22:56,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:22:56,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 3, 3] total 15 [2024-10-11 20:22:56,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561495165] [2024-10-11 20:22:56,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:22:56,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:22:56,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:22:56,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:22:56,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:22:56,986 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand has 16 states, 15 states have (on average 2.066666666666667) internal successors, (31), 16 states have internal predecessors, (31), 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) [2024-10-11 20:22:57,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:22:57,166 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2024-10-11 20:22:57,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:22:57,170 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.066666666666667) internal successors, (31), 16 states have internal predecessors, (31), 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 17 [2024-10-11 20:22:57,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:22:57,171 INFO L225 Difference]: With dead ends: 63 [2024-10-11 20:22:57,171 INFO L226 Difference]: Without dead ends: 62 [2024-10-11 20:22:57,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2024-10-11 20:22:57,172 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:22:57,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 78 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:22:57,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-11 20:22:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 42. [2024-10-11 20:22:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 41 states have internal predecessors, (45), 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) [2024-10-11 20:22:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2024-10-11 20:22:57,182 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 17 [2024-10-11 20:22:57,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:22:57,182 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2024-10-11 20:22:57,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.066666666666667) internal successors, (31), 16 states have internal predecessors, (31), 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) [2024-10-11 20:22:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2024-10-11 20:22:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:22:57,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:22:57,183 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:22:57,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:22:57,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 20:22:57,384 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)] === [2024-10-11 20:22:57,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:22:57,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2134345866, now seen corresponding path program 1 times [2024-10-11 20:22:57,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:22:57,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157442127] [2024-10-11 20:22:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:57,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:22:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:22:57,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:22:57,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157442127] [2024-10-11 20:22:57,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157442127] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:22:57,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159898752] [2024-10-11 20:22:57,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:57,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:22:57,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:22:57,544 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:22:57,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:22:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:57,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:22:57,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:22:57,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:22:57,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:22:57,914 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:22:57,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159898752] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:22:57,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:22:57,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2024-10-11 20:22:57,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520758821] [2024-10-11 20:22:57,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:22:57,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 20:22:57,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:22:57,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 20:22:57,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:22:57,920 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand has 23 states, 23 states have (on average 1.9130434782608696) internal successors, (44), 23 states have internal predecessors, (44), 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) [2024-10-11 20:22:57,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:22:57,995 INFO L93 Difference]: Finished difference Result 96 states and 109 transitions. [2024-10-11 20:22:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:22:57,999 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.9130434782608696) internal successors, (44), 23 states have internal predecessors, (44), 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 24 [2024-10-11 20:22:57,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:22:58,000 INFO L225 Difference]: With dead ends: 96 [2024-10-11 20:22:58,000 INFO L226 Difference]: Without dead ends: 66 [2024-10-11 20:22:58,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:22:58,001 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:22:58,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:22:58,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-11 20:22:58,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-10-11 20:22:58,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 62 states have (on average 1.1129032258064515) internal successors, (69), 65 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) [2024-10-11 20:22:58,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2024-10-11 20:22:58,015 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 24 [2024-10-11 20:22:58,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:22:58,015 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2024-10-11 20:22:58,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.9130434782608696) internal successors, (44), 23 states have internal predecessors, (44), 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) [2024-10-11 20:22:58,015 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2024-10-11 20:22:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-11 20:22:58,016 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:22:58,016 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:22:58,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:22:58,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:22:58,221 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)] === [2024-10-11 20:22:58,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:22:58,221 INFO L85 PathProgramCache]: Analyzing trace with hash -314528182, now seen corresponding path program 2 times [2024-10-11 20:22:58,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:22:58,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144704954] [2024-10-11 20:22:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:58,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:22:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:22:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:22:58,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:22:58,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144704954] [2024-10-11 20:22:58,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144704954] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:22:58,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277360223] [2024-10-11 20:22:58,616 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:22:58,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:22:58,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:22:58,618 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:22:58,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:22:58,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:22:58,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:22:58,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 20:22:58,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:22:59,074 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:22:59,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:22:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:22:59,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277360223] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:22:59,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:22:59,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 47 [2024-10-11 20:22:59,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588022564] [2024-10-11 20:22:59,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:22:59,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-11 20:22:59,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:22:59,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-11 20:22:59,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=1634, Unknown=0, NotChecked=0, Total=2162 [2024-10-11 20:22:59,580 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand has 47 states, 47 states have (on average 1.702127659574468) internal successors, (80), 47 states have internal predecessors, (80), 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) [2024-10-11 20:22:59,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:22:59,687 INFO L93 Difference]: Finished difference Result 156 states and 177 transitions. [2024-10-11 20:22:59,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-11 20:22:59,688 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 1.702127659574468) internal successors, (80), 47 states have internal predecessors, (80), 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 [2024-10-11 20:22:59,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:22:59,689 INFO L225 Difference]: With dead ends: 156 [2024-10-11 20:22:59,689 INFO L226 Difference]: Without dead ends: 114 [2024-10-11 20:22:59,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=528, Invalid=1634, Unknown=0, NotChecked=0, Total=2162 [2024-10-11 20:22:59,690 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:22:59,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:22:59,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-11 20:22:59,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-10-11 20:22:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 110 states have (on average 1.0636363636363637) internal successors, (117), 113 states have internal predecessors, (117), 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) [2024-10-11 20:22:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 117 transitions. [2024-10-11 20:22:59,711 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 117 transitions. Word has length 36 [2024-10-11 20:22:59,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:22:59,711 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 117 transitions. [2024-10-11 20:22:59,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.702127659574468) internal successors, (80), 47 states have internal predecessors, (80), 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) [2024-10-11 20:22:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 117 transitions. [2024-10-11 20:22:59,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-11 20:22:59,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:22:59,714 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:22:59,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:22:59,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 20:22:59,915 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:22:59,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:22:59,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1436345910, now seen corresponding path program 3 times [2024-10-11 20:22:59,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:22:59,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726397157] [2024-10-11 20:22:59,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:22:59,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:22:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:23:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 1 proven. 330 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:23:00,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:23:00,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726397157] [2024-10-11 20:23:00,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726397157] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:23:00,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021755207] [2024-10-11 20:23:00,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:23:00,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:23:00,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:23:00,835 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:23:00,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:23:00,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:23:00,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:23:00,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:23:00,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:23:00,963 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-10-11 20:23:00,963 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:23:00,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021755207] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:23:00,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:23:00,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36 [2024-10-11 20:23:00,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973902752] [2024-10-11 20:23:00,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:23:00,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:23:00,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:23:00,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:23:00,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-10-11 20:23:00,966 INFO L87 Difference]: Start difference. First operand 114 states and 117 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 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) [2024-10-11 20:23:01,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:23:01,007 INFO L93 Difference]: Finished difference Result 114 states and 117 transitions. [2024-10-11 20:23:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:23:01,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 60 [2024-10-11 20:23:01,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:23:01,009 INFO L225 Difference]: With dead ends: 114 [2024-10-11 20:23:01,009 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 20:23:01,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-10-11 20:23:01,010 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:23:01,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 24 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:23:01,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 20:23:01,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-11 20:23:01,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.0545454545454545) internal successors, (116), 112 states have internal predecessors, (116), 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) [2024-10-11 20:23:01,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 116 transitions. [2024-10-11 20:23:01,026 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 116 transitions. Word has length 60 [2024-10-11 20:23:01,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:23:01,027 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 116 transitions. [2024-10-11 20:23:01,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-10-11 20:23:01,027 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 116 transitions. [2024-10-11 20:23:01,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-11 20:23:01,028 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:23:01,028 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:23:01,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:23:01,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:23:01,233 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)] === [2024-10-11 20:23:01,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:23:01,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1577050159, now seen corresponding path program 1 times [2024-10-11 20:23:01,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:23:01,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177367364] [2024-10-11 20:23:01,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:23:01,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:23:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:23:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-10-11 20:23:01,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:23:01,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177367364] [2024-10-11 20:23:01,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177367364] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:23:01,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381065841] [2024-10-11 20:23:01,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:23:01,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:23:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:23:01,359 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:23:01,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:23:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:23:01,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-11 20:23:01,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:23:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 1 proven. 330 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:23:02,131 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:23:03,211 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 1 proven. 330 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:23:03,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381065841] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:23:03,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:23:03,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 68 [2024-10-11 20:23:03,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637439780] [2024-10-11 20:23:03,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:23:03,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-10-11 20:23:03,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:23:03,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-10-11 20:23:03,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1066, Invalid=3490, Unknown=0, NotChecked=0, Total=4556 [2024-10-11 20:23:03,215 INFO L87 Difference]: Start difference. First operand 113 states and 116 transitions. Second operand has 68 states, 68 states have (on average 1.8088235294117647) internal successors, (123), 68 states have internal predecessors, (123), 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) [2024-10-11 20:23:05,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:23:05,011 INFO L93 Difference]: Finished difference Result 278 states and 316 transitions. [2024-10-11 20:23:05,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-10-11 20:23:05,012 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 1.8088235294117647) internal successors, (123), 68 states have internal predecessors, (123), 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 61 [2024-10-11 20:23:05,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:23:05,013 INFO L225 Difference]: With dead ends: 278 [2024-10-11 20:23:05,013 INFO L226 Difference]: Without dead ends: 213 [2024-10-11 20:23:05,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4144 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=3187, Invalid=13325, Unknown=0, NotChecked=0, Total=16512 [2024-10-11 20:23:05,017 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 96 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:23:05,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 95 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:23:05,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-10-11 20:23:05,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-10-11 20:23:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 210 states have (on average 1.0285714285714285) internal successors, (216), 212 states have internal predecessors, (216), 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) [2024-10-11 20:23:05,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 216 transitions. [2024-10-11 20:23:05,034 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 216 transitions. Word has length 61 [2024-10-11 20:23:05,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:23:05,034 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 216 transitions. [2024-10-11 20:23:05,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 1.8088235294117647) internal successors, (123), 68 states have internal predecessors, (123), 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) [2024-10-11 20:23:05,035 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 216 transitions. [2024-10-11 20:23:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 20:23:05,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:23:05,036 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:23:05,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 20:23:05,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 20:23:05,241 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:23:05,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:23:05,241 INFO L85 PathProgramCache]: Analyzing trace with hash -763898037, now seen corresponding path program 2 times [2024-10-11 20:23:05,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:23:05,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859001650] [2024-10-11 20:23:05,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:23:05,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:23:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:23:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 1 proven. 1426 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:23:07,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:23:07,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859001650] [2024-10-11 20:23:07,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859001650] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:23:07,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94222400] [2024-10-11 20:23:07,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:23:07,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:23:07,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:23:07,643 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:23:07,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:23:07,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:23:07,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:23:07,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-11 20:23:07,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:23:11,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 1 proven. 1426 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:23:11,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:23:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 1 proven. 1426 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:23:15,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94222400] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:23:15,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:23:15,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 191 [2024-10-11 20:23:15,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757277210] [2024-10-11 20:23:15,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:23:15,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2024-10-11 20:23:15,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:23:15,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2024-10-11 20:23:15,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6334, Invalid=29956, Unknown=0, NotChecked=0, Total=36290 [2024-10-11 20:23:15,266 INFO L87 Difference]: Start difference. First operand 213 states and 216 transitions. Second operand has 191 states, 191 states have (on average 1.549738219895288) internal successors, (296), 191 states have internal predecessors, (296), 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) [2024-10-11 20:23:15,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:23:15,463 INFO L93 Difference]: Finished difference Result 336 states and 343 transitions. [2024-10-11 20:23:15,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-10-11 20:23:15,464 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 191 states have (on average 1.549738219895288) internal successors, (296), 191 states have internal predecessors, (296), 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 113 [2024-10-11 20:23:15,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:23:15,465 INFO L225 Difference]: With dead ends: 336 [2024-10-11 20:23:15,465 INFO L226 Difference]: Without dead ends: 219 [2024-10-11 20:23:15,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13392 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=6334, Invalid=29956, Unknown=0, NotChecked=0, Total=36290 [2024-10-11 20:23:15,469 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:23:15,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 232 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:23:15,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-10-11 20:23:15,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-10-11 20:23:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 216 states have (on average 1.0277777777777777) internal successors, (222), 218 states have internal predecessors, (222), 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) [2024-10-11 20:23:15,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 222 transitions. [2024-10-11 20:23:15,482 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 222 transitions. Word has length 113 [2024-10-11 20:23:15,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:23:15,483 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 222 transitions. [2024-10-11 20:23:15,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 1.549738219895288) internal successors, (296), 191 states have internal predecessors, (296), 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) [2024-10-11 20:23:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 222 transitions. [2024-10-11 20:23:15,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 20:23:15,485 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:23:15,485 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:23:15,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 20:23:15,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:23:15,686 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:23:15,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:23:15,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1627886962, now seen corresponding path program 3 times [2024-10-11 20:23:15,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:23:15,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454343892] [2024-10-11 20:23:15,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:23:15,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:23:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:23:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-10-11 20:23:15,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:23:15,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454343892] [2024-10-11 20:23:15,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454343892] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:23:15,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457892406] [2024-10-11 20:23:15,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:23:15,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:23:15,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:23:15,878 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:23:15,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:23:15,958 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:23:15,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:23:15,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:23:15,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:23:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1532 trivial. 0 not checked. [2024-10-11 20:23:16,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:23:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1532 trivial. 0 not checked. [2024-10-11 20:23:16,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457892406] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:23:16,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:23:16,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 13 [2024-10-11 20:23:16,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82501918] [2024-10-11 20:23:16,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:23:16,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:23:16,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:23:16,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:23:16,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:23:16,315 INFO L87 Difference]: Start difference. First operand 219 states and 222 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 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) [2024-10-11 20:23:16,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:23:16,439 INFO L93 Difference]: Finished difference Result 339 states and 348 transitions. [2024-10-11 20:23:16,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:23:16,439 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 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 116 [2024-10-11 20:23:16,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:23:16,440 INFO L225 Difference]: With dead ends: 339 [2024-10-11 20:23:16,440 INFO L226 Difference]: Without dead ends: 325 [2024-10-11 20:23:16,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:23:16,441 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 23 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:23:16,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 54 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:23:16,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-10-11 20:23:16,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2024-10-11 20:23:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 322 states have (on average 1.0279503105590062) internal successors, (331), 324 states have internal predecessors, (331), 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) [2024-10-11 20:23:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 331 transitions. [2024-10-11 20:23:16,464 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 331 transitions. Word has length 116 [2024-10-11 20:23:16,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:23:16,465 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 331 transitions. [2024-10-11 20:23:16,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 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) [2024-10-11 20:23:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 331 transitions. [2024-10-11 20:23:16,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 20:23:16,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:23:16,471 INFO L215 NwaCegarLoop]: trace histogram [64, 64, 64, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 20:23:16,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 20:23:16,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:23:16,673 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:23:16,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:23:16,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1376732642, now seen corresponding path program 2 times [2024-10-11 20:23:16,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:23:16,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187861092] [2024-10-11 20:23:16,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:23:16,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:23:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:23:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6180 backedges. 0 proven. 3140 refuted. 0 times theorem prover too weak. 3040 trivial. 0 not checked. [2024-10-11 20:23:16,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:23:16,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187861092] [2024-10-11 20:23:16,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187861092] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:23:16,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770105774] [2024-10-11 20:23:16,951 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:23:16,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:23:16,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:23:16,953 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:23:16,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:23:17,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:23:17,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:23:17,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:23:17,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:23:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6180 backedges. 3140 proven. 0 refuted. 0 times theorem prover too weak. 3040 trivial. 0 not checked. [2024-10-11 20:23:17,276 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:23:17,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770105774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:23:17,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:23:17,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2024-10-11 20:23:17,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134798033] [2024-10-11 20:23:17,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:23:17,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:23:17,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:23:17,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:23:17,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:23:17,278 INFO L87 Difference]: Start difference. First operand 325 states and 331 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-10-11 20:23:17,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:23:17,316 INFO L93 Difference]: Finished difference Result 325 states and 331 transitions. [2024-10-11 20:23:17,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:23:17,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 202 [2024-10-11 20:23:17,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:23:17,318 INFO L225 Difference]: With dead ends: 325 [2024-10-11 20:23:17,318 INFO L226 Difference]: Without dead ends: 324 [2024-10-11 20:23:17,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:23:17,320 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:23:17,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:23:17,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-11 20:23:17,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2024-10-11 20:23:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 322 states have (on average 1.0217391304347827) internal successors, (329), 323 states have internal predecessors, (329), 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) [2024-10-11 20:23:17,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 329 transitions. [2024-10-11 20:23:17,349 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 329 transitions. Word has length 202 [2024-10-11 20:23:17,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:23:17,349 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 329 transitions. [2024-10-11 20:23:17,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-10-11 20:23:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 329 transitions. [2024-10-11 20:23:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 20:23:17,352 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:23:17,352 INFO L215 NwaCegarLoop]: trace histogram [64, 64, 64, 2, 2, 2, 2, 1, 1, 1] [2024-10-11 20:23:17,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:23:17,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 20:23:17,553 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:23:17,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:23:17,554 INFO L85 PathProgramCache]: Analyzing trace with hash 270961124, now seen corresponding path program 1 times [2024-10-11 20:23:17,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:23:17,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110593382] [2024-10-11 20:23:17,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:23:17,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:23:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:23:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6181 backedges. 0 proven. 3141 refuted. 0 times theorem prover too weak. 3040 trivial. 0 not checked. [2024-10-11 20:23:17,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:23:17,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110593382] [2024-10-11 20:23:17,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110593382] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:23:17,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802577470] [2024-10-11 20:23:17,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:23:17,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:23:17,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:23:17,781 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:23:17,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:23:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:23:17,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:23:17,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:23:18,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6181 backedges. 0 proven. 3141 refuted. 0 times theorem prover too weak. 3040 trivial. 0 not checked. [2024-10-11 20:23:18,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:23:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6181 backedges. 0 proven. 3141 refuted. 0 times theorem prover too weak. 3040 trivial. 0 not checked. [2024-10-11 20:23:18,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802577470] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:23:18,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:23:18,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-11 20:23:18,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880639502] [2024-10-11 20:23:18,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:23:18,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:23:18,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:23:18,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:23:18,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:23:18,440 INFO L87 Difference]: Start difference. First operand 324 states and 329 transitions. Second operand has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2024-10-11 20:23:18,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:23:18,499 INFO L93 Difference]: Finished difference Result 324 states and 329 transitions. [2024-10-11 20:23:18,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:23:18,501 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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 203 [2024-10-11 20:23:18,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:23:18,503 INFO L225 Difference]: With dead ends: 324 [2024-10-11 20:23:18,503 INFO L226 Difference]: Without dead ends: 323 [2024-10-11 20:23:18,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:23:18,504 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:23:18,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 31 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:23:18,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-11 20:23:18,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-10-11 20:23:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 322 states have (on average 1.015527950310559) internal successors, (327), 322 states have internal predecessors, (327), 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) [2024-10-11 20:23:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 327 transitions. [2024-10-11 20:23:18,541 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 327 transitions. Word has length 203 [2024-10-11 20:23:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:23:18,542 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 327 transitions. [2024-10-11 20:23:18,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2024-10-11 20:23:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 327 transitions. [2024-10-11 20:23:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-10-11 20:23:18,545 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:23:18,546 INFO L215 NwaCegarLoop]: trace histogram [96, 96, 96, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-10-11 20:23:18,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-11 20:23:18,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 20:23:18,746 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)] === [2024-10-11 20:23:18,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:23:18,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1104296200, now seen corresponding path program 4 times [2024-10-11 20:23:18,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:23:18,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410314742] [2024-10-11 20:23:18,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:23:18,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:23:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:23:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 14010 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 13986 trivial. 0 not checked. [2024-10-11 20:23:19,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:23:19,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410314742] [2024-10-11 20:23:19,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410314742] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:23:19,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154026609] [2024-10-11 20:23:19,286 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:23:19,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:23:19,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:23:19,288 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:23:19,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:23:21,801 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:23:21,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:23:21,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:23:21,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:23:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14010 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 13986 trivial. 0 not checked. [2024-10-11 20:23:21,860 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:23:21,958 INFO L134 CoverageAnalysis]: Checked inductivity of 14010 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 13986 trivial. 0 not checked. [2024-10-11 20:23:21,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154026609] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:23:21,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:23:21,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-10-11 20:23:21,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40050505] [2024-10-11 20:23:21,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:23:21,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 20:23:21,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:23:21,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 20:23:21,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:23:21,961 INFO L87 Difference]: Start difference. First operand 323 states and 327 transitions. Second operand has 20 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 20 states have internal predecessors, (49), 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) [2024-10-11 20:23:22,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:23:22,028 INFO L93 Difference]: Finished difference Result 328 states and 333 transitions. [2024-10-11 20:23:22,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:23:22,028 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 20 states have internal predecessors, (49), 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 322 [2024-10-11 20:23:22,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:23:22,029 INFO L225 Difference]: With dead ends: 328 [2024-10-11 20:23:22,029 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 20:23:22,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 633 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:23:22,033 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 10 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:23:22,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 47 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:23:22,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 20:23:22,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 20:23:22,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:23:22,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 20:23:22,034 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 322 [2024-10-11 20:23:22,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:23:22,035 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 20:23:22,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 20 states have internal predecessors, (49), 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) [2024-10-11 20:23:22,035 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 20:23:22,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 20:23:22,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-10-11 20:23:22,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-10-11 20:23:22,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-10-11 20:23:22,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-10-11 20:23:22,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-10-11 20:23:22,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-10-11 20:23:22,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:23:22,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:23:22,242 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 20:23:22,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 20:23:23,732 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 20:23:23,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:23:23 BoogieIcfgContainer [2024-10-11 20:23:23,748 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 20:23:23,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 20:23:23,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 20:23:23,749 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 20:23:23,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:22:54" (3/4) ... [2024-10-11 20:23:23,751 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 20:23:23,760 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-11 20:23:23,760 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 20:23:23,760 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 20:23:23,760 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 20:23:23,844 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 20:23:23,844 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 20:23:23,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 20:23:23,845 INFO L158 Benchmark]: Toolchain (without parser) took 30542.44ms. Allocated memory was 163.6MB in the beginning and 343.9MB in the end (delta: 180.4MB). Free memory was 98.5MB in the beginning and 238.6MB in the end (delta: -140.1MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2024-10-11 20:23:23,845 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:23:23,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.23ms. Allocated memory is still 163.6MB. Free memory was 98.2MB in the beginning and 86.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 20:23:23,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.20ms. Allocated memory is still 163.6MB. Free memory was 86.8MB in the beginning and 85.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:23:23,846 INFO L158 Benchmark]: Boogie Preprocessor took 41.17ms. Allocated memory is still 163.6MB. Free memory was 85.3MB in the beginning and 83.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:23:23,846 INFO L158 Benchmark]: RCFGBuilder took 457.58ms. Allocated memory is still 163.6MB. Free memory was 83.3MB in the beginning and 127.5MB in the end (delta: -44.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-10-11 20:23:23,846 INFO L158 Benchmark]: TraceAbstraction took 29673.67ms. Allocated memory was 163.6MB in the beginning and 343.9MB in the end (delta: 180.4MB). Free memory was 126.8MB in the beginning and 242.8MB in the end (delta: -116.0MB). Peak memory consumption was 204.4MB. Max. memory is 16.1GB. [2024-10-11 20:23:23,847 INFO L158 Benchmark]: Witness Printer took 95.94ms. Allocated memory is still 343.9MB. Free memory was 242.8MB in the beginning and 238.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 20:23:23,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.23ms. Allocated memory is still 163.6MB. Free memory was 98.2MB in the beginning and 86.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.20ms. Allocated memory is still 163.6MB. Free memory was 86.8MB in the beginning and 85.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.17ms. Allocated memory is still 163.6MB. Free memory was 85.3MB in the beginning and 83.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.58ms. Allocated memory is still 163.6MB. Free memory was 83.3MB in the beginning and 127.5MB in the end (delta: -44.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * TraceAbstraction took 29673.67ms. Allocated memory was 163.6MB in the beginning and 343.9MB in the end (delta: 180.4MB). Free memory was 126.8MB in the beginning and 242.8MB in the end (delta: -116.0MB). Peak memory consumption was 204.4MB. Max. memory is 16.1GB. * Witness Printer took 95.94ms. Allocated memory is still 343.9MB. Free memory was 242.8MB in the beginning and 238.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 28.1s, OverallIterations: 17, TraceHistogramMax: 96, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 1050 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 856 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1293 IncrementalHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 194 mSDtfsCounter, 1293 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2342 GetRequests, 1822 SyntacticMatches, 0 SemanticMatches, 520 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18785 ImplicationChecksByTransitivity, 13.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=325occurred in iteration=14, InterpolantAutomatonStates: 335, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 37 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 2393 NumberOfCodeBlocks, 2236 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 3269 ConstructedInterpolants, 0 QuantifiedInterpolants, 9233 SizeOfPredicates, 2 NumberOfNonLiveVariables, 3888 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 40 InterpolantComputations, 7 PerfectInterpolantSequences, 65702/83929 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((((((i >= 0) ? (i % 4294967296) : ((i % 4294967296) + 4294967296)) <= 31) && (32 == size)) && (0 <= (i + 2147483648))) && (i == 0)) && (i <= 2147483645)) || (((((((i >= 0) ? (i % 4294967296) : ((i % 4294967296) + 4294967296)) <= 31) && (0 <= (i + 2147483648))) && (size <= 32)) && (1 <= i)) && (i <= 2147483645))) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((i <= 2147483646) && (0 <= (i + 2147483648))) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((i <= 2147483644) && (0 <= (i + 2147483648))) RESULT: Ultimate proved your program to be correct! [2024-10-11 20:23:23,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE