./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_palindrome_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_palindrome_ground.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 270a2842345dc5b188d8b64dce3436ccc5910bc1472a41053bc5c00e7f4ceeb6 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:55:16,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:55:16,192 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 17:55:16,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:55:16,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:55:16,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:55:16,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:55:16,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:55:16,235 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:55:16,235 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:55:16,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:55:16,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:55:16,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:55:16,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:55:16,242 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:55:16,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:55:16,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 17:55:16,243 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:55:16,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:55:16,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:55:16,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:55:16,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 17:55:16,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:55:16,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 17:55:16,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:55:16,246 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 17:55:16,246 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:55:16,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:55:16,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 17:55:16,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:55:16,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:55:16,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:55:16,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:55:16,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:55:16,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:55:16,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:55:16,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:55:16,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 17:55:16,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:55:16,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:55:16,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:55:16,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:55:16,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:55:16,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:55:16,252 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 270a2842345dc5b188d8b64dce3436ccc5910bc1472a41053bc5c00e7f4ceeb6 [2024-11-20 17:55:16,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:55:16,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:55:16,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:55:16,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:55:16,532 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:55:16,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2024-11-20 17:55:17,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:55:18,182 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:55:18,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2024-11-20 17:55:18,189 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c50348a/5278e87d71884450848523af5267b628/FLAG15b2c54df [2024-11-20 17:55:18,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c50348a/5278e87d71884450848523af5267b628 [2024-11-20 17:55:18,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:55:18,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:55:18,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:55:18,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:55:18,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:55:18,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118e01fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18, skipping insertion in model container [2024-11-20 17:55:18,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:55:18,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:55:18,802 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:55:18,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:55:18,840 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:55:18,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18 WrapperNode [2024-11-20 17:55:18,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:55:18,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:55:18,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:55:18,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:55:18,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,878 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-20 17:55:18,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:55:18,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:55:18,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:55:18,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:55:18,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,892 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,904 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-11-20 17:55:18,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:55:18,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:55:18,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:55:18,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:55:18,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (1/1) ... [2024-11-20 17:55:18,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:55:18,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:18,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 17:55:18,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 17:55:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:55:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:55:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 17:55:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 17:55:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 17:55:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 17:55:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:55:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 17:55:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 17:55:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 17:55:19,105 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:55:19,107 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:55:19,313 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-20 17:55:19,314 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:55:19,325 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:55:19,326 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-20 17:55:19,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:55:19 BoogieIcfgContainer [2024-11-20 17:55:19,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:55:19,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:55:19,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:55:19,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:55:19,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:55:18" (1/3) ... [2024-11-20 17:55:19,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2b0803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:55:19, skipping insertion in model container [2024-11-20 17:55:19,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:18" (2/3) ... [2024-11-20 17:55:19,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2b0803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:55:19, skipping insertion in model container [2024-11-20 17:55:19,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:55:19" (3/3) ... [2024-11-20 17:55:19,337 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_palindrome_ground.i [2024-11-20 17:55:19,355 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:55:19,357 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-20 17:55:19,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:55:19,417 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;@6206892, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:55:19,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-20 17:55:19,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 32 states have (on average 1.6875) internal successors, (54), 46 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 17:55:19,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:19,426 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 17:55:19,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:19,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:19,431 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2024-11-20 17:55:19,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:19,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307256048] [2024-11-20 17:55:19,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:19,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:19,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:19,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:19,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307256048] [2024-11-20 17:55:19,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307256048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:19,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:19,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:19,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77346355] [2024-11-20 17:55:19,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:19,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:19,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:19,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:19,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:19,710 INFO L87 Difference]: Start difference. First operand has 47 states, 32 states have (on average 1.6875) internal successors, (54), 46 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2024-11-20 17:55:19,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:19,815 INFO L93 Difference]: Finished difference Result 97 states and 117 transitions. [2024-11-20 17:55:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:19,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2024-11-20 17:55:19,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:19,826 INFO L225 Difference]: With dead ends: 97 [2024-11-20 17:55:19,826 INFO L226 Difference]: Without dead ends: 50 [2024-11-20 17:55:19,828 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 [2024-11-20 17:55:19,831 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:19,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 100 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:55:19,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-20 17:55:19,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2024-11-20 17:55:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.457142857142857) internal successors, (51), 48 states have internal predecessors, (51), 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) [2024-11-20 17:55:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2024-11-20 17:55:19,861 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 5 [2024-11-20 17:55:19,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:19,862 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2024-11-20 17:55:19,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2024-11-20 17:55:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2024-11-20 17:55:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 17:55:19,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:19,863 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-20 17:55:19,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:55:19,863 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:19,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:19,864 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2024-11-20 17:55:19,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:19,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902210947] [2024-11-20 17:55:19,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:19,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:20,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:20,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:20,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902210947] [2024-11-20 17:55:20,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902210947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:20,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945449761] [2024-11-20 17:55:20,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:20,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:20,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:20,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:55:20,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 17:55:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:20,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 17:55:20,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:20,237 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:55:20,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945449761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:20,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:55:20,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-20 17:55:20,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969872484] [2024-11-20 17:55:20,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:20,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:55:20,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:20,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:55:20,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:55:20,244 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:20,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:20,321 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2024-11-20 17:55:20,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:55:20,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-20 17:55:20,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:20,323 INFO L225 Difference]: With dead ends: 50 [2024-11-20 17:55:20,323 INFO L226 Difference]: Without dead ends: 49 [2024-11-20 17:55:20,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:55:20,325 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:20,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 78 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:55:20,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-20 17:55:20,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2024-11-20 17:55:20,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 47 states have internal predecessors, (50), 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) [2024-11-20 17:55:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2024-11-20 17:55:20,336 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 9 [2024-11-20 17:55:20,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:20,337 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2024-11-20 17:55:20,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:20,338 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2024-11-20 17:55:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 17:55:20,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:20,339 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-20 17:55:20,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 17:55:20,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:20,540 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:20,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:20,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2024-11-20 17:55:20,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:20,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891285351] [2024-11-20 17:55:20,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:20,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 17:55:20,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:20,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891285351] [2024-11-20 17:55:20,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891285351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:20,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:20,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:20,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612769559] [2024-11-20 17:55:20,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:20,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:20,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:20,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:20,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:20,627 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:20,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:20,679 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2024-11-20 17:55:20,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:20,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-20 17:55:20,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:20,682 INFO L225 Difference]: With dead ends: 48 [2024-11-20 17:55:20,682 INFO L226 Difference]: Without dead ends: 45 [2024-11-20 17:55:20,683 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 [2024-11-20 17:55:20,684 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 5 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:20,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 72 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:20,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-20 17:55:20,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2024-11-20 17:55:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.375) internal successors, (44), 41 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) [2024-11-20 17:55:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2024-11-20 17:55:20,690 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 10 [2024-11-20 17:55:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:20,690 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2024-11-20 17:55:20,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-20 17:55:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2024-11-20 17:55:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 17:55:20,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:20,691 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:20,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 17:55:20,692 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:20,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:20,693 INFO L85 PathProgramCache]: Analyzing trace with hash 2043024110, now seen corresponding path program 1 times [2024-11-20 17:55:20,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:20,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930372406] [2024-11-20 17:55:20,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:20,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:20,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:20,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930372406] [2024-11-20 17:55:20,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930372406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:20,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054158247] [2024-11-20 17:55:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:20,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:20,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:20,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:55:20,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 17:55:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:20,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:55:20,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:20,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:55:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:20,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054158247] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:55:20,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:55:20,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-20 17:55:20,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220972487] [2024-11-20 17:55:20,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:55:20,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 17:55:20,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:20,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 17:55:20,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-20 17:55:20,943 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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) [2024-11-20 17:55:21,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:21,025 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-20 17:55:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 17:55:21,029 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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 15 [2024-11-20 17:55:21,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:21,030 INFO L225 Difference]: With dead ends: 86 [2024-11-20 17:55:21,030 INFO L226 Difference]: Without dead ends: 51 [2024-11-20 17:55:21,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-20 17:55:21,032 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 15 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:21,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 118 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:55:21,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-20 17:55:21,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2024-11-20 17:55:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 49 states have internal predecessors, (52), 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) [2024-11-20 17:55:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2024-11-20 17:55:21,042 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 15 [2024-11-20 17:55:21,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:21,042 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2024-11-20 17:55:21,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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) [2024-11-20 17:55:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2024-11-20 17:55:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-20 17:55:21,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:21,043 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:21,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 17:55:21,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-20 17:55:21,248 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:21,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:21,249 INFO L85 PathProgramCache]: Analyzing trace with hash -2133180442, now seen corresponding path program 2 times [2024-11-20 17:55:21,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:21,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596142449] [2024-11-20 17:55:21,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:21,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:21,318 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 17:55:21,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:21,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596142449] [2024-11-20 17:55:21,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596142449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:21,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:21,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:21,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179451701] [2024-11-20 17:55:21,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:21,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:21,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:21,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:21,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:21,322 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-20 17:55:21,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:21,365 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2024-11-20 17:55:21,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:21,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-20 17:55:21,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:21,367 INFO L225 Difference]: With dead ends: 55 [2024-11-20 17:55:21,367 INFO L226 Difference]: Without dead ends: 53 [2024-11-20 17:55:21,367 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 [2024-11-20 17:55:21,368 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:21,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 74 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:21,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-20 17:55:21,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-20 17:55:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 52 states have internal predecessors, (55), 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) [2024-11-20 17:55:21,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2024-11-20 17:55:21,374 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 23 [2024-11-20 17:55:21,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:21,374 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2024-11-20 17:55:21,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-20 17:55:21,375 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2024-11-20 17:55:21,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 17:55:21,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:21,375 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:21,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 17:55:21,376 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:21,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:21,377 INFO L85 PathProgramCache]: Analyzing trace with hash 141392090, now seen corresponding path program 1 times [2024-11-20 17:55:21,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:21,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213823609] [2024-11-20 17:55:21,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:21,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 17:55:21,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:21,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213823609] [2024-11-20 17:55:21,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213823609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:21,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057761039] [2024-11-20 17:55:21,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:21,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:21,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:21,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:55:21,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 17:55:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:21,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 17:55:21,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:21,663 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 17:55:21,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:55:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 17:55:21,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057761039] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:55:21,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:55:21,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2024-11-20 17:55:21,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735396747] [2024-11-20 17:55:21,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:55:21,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-20 17:55:21,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:21,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-20 17:55:21,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-20 17:55:21,786 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 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) [2024-11-20 17:55:21,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:21,933 INFO L93 Difference]: Finished difference Result 113 states and 123 transitions. [2024-11-20 17:55:21,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 17:55:21,934 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-20 17:55:21,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:21,935 INFO L225 Difference]: With dead ends: 113 [2024-11-20 17:55:21,936 INFO L226 Difference]: Without dead ends: 75 [2024-11-20 17:55:21,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2024-11-20 17:55:21,937 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 20 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:21,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 214 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:55:21,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-20 17:55:21,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-11-20 17:55:21,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 64 states have (on average 1.1875) internal successors, (76), 73 states have internal predecessors, (76), 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) [2024-11-20 17:55:21,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-20 17:55:21,948 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 27 [2024-11-20 17:55:21,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:21,949 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-20 17:55:21,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 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) [2024-11-20 17:55:21,950 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-20 17:55:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-20 17:55:21,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:21,951 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:21,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 17:55:22,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:22,156 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:22,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:22,157 INFO L85 PathProgramCache]: Analyzing trace with hash -839543346, now seen corresponding path program 1 times [2024-11-20 17:55:22,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:22,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178252983] [2024-11-20 17:55:22,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:22,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-20 17:55:22,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:22,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178252983] [2024-11-20 17:55:22,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178252983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:22,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:22,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:22,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209499419] [2024-11-20 17:55:22,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:22,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:22,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:22,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:22,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:22,268 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:22,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:22,301 INFO L93 Difference]: Finished difference Result 74 states and 76 transitions. [2024-11-20 17:55:22,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:22,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-11-20 17:55:22,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:22,303 INFO L225 Difference]: With dead ends: 74 [2024-11-20 17:55:22,303 INFO L226 Difference]: Without dead ends: 71 [2024-11-20 17:55:22,303 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 [2024-11-20 17:55:22,304 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:22,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 64 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:22,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-20 17:55:22,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2024-11-20 17:55:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 60 states have (on average 1.15) internal successors, (69), 66 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) [2024-11-20 17:55:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2024-11-20 17:55:22,313 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 47 [2024-11-20 17:55:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:22,313 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2024-11-20 17:55:22,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2024-11-20 17:55:22,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-20 17:55:22,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:22,318 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:22,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 17:55:22,319 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:22,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:22,319 INFO L85 PathProgramCache]: Analyzing trace with hash -256039878, now seen corresponding path program 1 times [2024-11-20 17:55:22,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:22,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139581512] [2024-11-20 17:55:22,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:22,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-20 17:55:22,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:22,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139581512] [2024-11-20 17:55:22,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139581512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:22,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:22,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:22,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710429460] [2024-11-20 17:55:22,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:22,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:22,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:22,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:22,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:22,485 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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) [2024-11-20 17:55:22,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:22,520 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2024-11-20 17:55:22,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:22,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 48 [2024-11-20 17:55:22,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:22,522 INFO L225 Difference]: With dead ends: 67 [2024-11-20 17:55:22,522 INFO L226 Difference]: Without dead ends: 66 [2024-11-20 17:55:22,522 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 [2024-11-20 17:55:22,523 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 66 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 [2024-11-20 17:55:22,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 66 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:22,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-20 17:55:22,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-20 17:55:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 60 states have (on average 1.1333333333333333) internal successors, (68), 65 states have internal predecessors, (68), 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) [2024-11-20 17:55:22,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2024-11-20 17:55:22,535 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 48 [2024-11-20 17:55:22,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:22,535 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2024-11-20 17:55:22,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-20 17:55:22,536 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2024-11-20 17:55:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-20 17:55:22,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:22,536 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:22,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 17:55:22,537 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:22,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:22,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1222054864, now seen corresponding path program 1 times [2024-11-20 17:55:22,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:22,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306223233] [2024-11-20 17:55:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:22,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:22,591 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-20 17:55:22,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:22,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306223233] [2024-11-20 17:55:22,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306223233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:22,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:22,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 17:55:22,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238305249] [2024-11-20 17:55:22,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:22,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:55:22,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:22,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:55:22,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:55:22,593 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-20 17:55:22,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:22,616 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2024-11-20 17:55:22,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:55:22,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 52 [2024-11-20 17:55:22,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:22,617 INFO L225 Difference]: With dead ends: 78 [2024-11-20 17:55:22,617 INFO L226 Difference]: Without dead ends: 74 [2024-11-20 17:55:22,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:55:22,618 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 6 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:22,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 49 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:22,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-20 17:55:22,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 71. [2024-11-20 17:55:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 65 states have (on average 1.123076923076923) internal successors, (73), 70 states have internal predecessors, (73), 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) [2024-11-20 17:55:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 73 transitions. [2024-11-20 17:55:22,624 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 73 transitions. Word has length 52 [2024-11-20 17:55:22,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:22,624 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 73 transitions. [2024-11-20 17:55:22,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-20 17:55:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2024-11-20 17:55:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-20 17:55:22,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:22,625 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:22,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 17:55:22,626 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:22,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:22,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1384959310, now seen corresponding path program 1 times [2024-11-20 17:55:22,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:22,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758736100] [2024-11-20 17:55:22,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:22,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-20 17:55:22,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:22,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758736100] [2024-11-20 17:55:22,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758736100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:22,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:22,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:22,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176598048] [2024-11-20 17:55:22,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:22,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:22,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:22,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:22,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:22,731 INFO L87 Difference]: Start difference. First operand 71 states and 73 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-20 17:55:22,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:22,767 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2024-11-20 17:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:22,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 59 [2024-11-20 17:55:22,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:22,769 INFO L225 Difference]: With dead ends: 78 [2024-11-20 17:55:22,769 INFO L226 Difference]: Without dead ends: 76 [2024-11-20 17:55:22,770 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 [2024-11-20 17:55:22,770 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:22,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 69 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:22,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-20 17:55:22,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-20 17:55:22,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 70 states have (on average 1.1142857142857143) internal successors, (78), 75 states have internal predecessors, (78), 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) [2024-11-20 17:55:22,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2024-11-20 17:55:22,778 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 59 [2024-11-20 17:55:22,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:22,779 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2024-11-20 17:55:22,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-20 17:55:22,779 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2024-11-20 17:55:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-20 17:55:22,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:22,780 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:22,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 17:55:22,780 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:22,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:22,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1867071078, now seen corresponding path program 1 times [2024-11-20 17:55:22,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:22,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000011762] [2024-11-20 17:55:22,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:22,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:22,837 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-20 17:55:22,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:22,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000011762] [2024-11-20 17:55:22,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000011762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:22,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:22,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 17:55:22,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669150057] [2024-11-20 17:55:22,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:22,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:55:22,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:22,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:55:22,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:55:22,843 INFO L87 Difference]: Start difference. First operand 76 states and 78 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-20 17:55:22,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:22,860 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2024-11-20 17:55:22,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:55:22,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 62 [2024-11-20 17:55:22,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:22,864 INFO L225 Difference]: With dead ends: 76 [2024-11-20 17:55:22,864 INFO L226 Difference]: Without dead ends: 74 [2024-11-20 17:55:22,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:55:22,865 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:22,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 43 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:22,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-20 17:55:22,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-20 17:55:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 70 states have (on average 1.0857142857142856) internal successors, (76), 73 states have internal predecessors, (76), 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) [2024-11-20 17:55:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-20 17:55:22,876 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 62 [2024-11-20 17:55:22,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:22,876 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-20 17:55:22,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-20 17:55:22,876 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-20 17:55:22,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-20 17:55:22,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:22,877 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:22,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 17:55:22,877 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:22,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:22,878 INFO L85 PathProgramCache]: Analyzing trace with hash 2044628658, now seen corresponding path program 1 times [2024-11-20 17:55:22,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:22,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033885207] [2024-11-20 17:55:22,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:22,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-20 17:55:22,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:22,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033885207] [2024-11-20 17:55:22,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033885207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:22,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844028519] [2024-11-20 17:55:22,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:22,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:22,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:22,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:55:22,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 17:55:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:23,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 17:55:23,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-20 17:55:23,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:55:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-20 17:55:23,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844028519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:55:23,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:55:23,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 17, 17] total 35 [2024-11-20 17:55:23,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042766218] [2024-11-20 17:55:23,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:55:23,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-20 17:55:23,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:23,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-20 17:55:23,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2024-11-20 17:55:23,658 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 35 states, 35 states have (on average 3.2285714285714286) internal successors, (113), 35 states have internal predecessors, (113), 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) [2024-11-20 17:55:23,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:23,884 INFO L93 Difference]: Finished difference Result 157 states and 170 transitions. [2024-11-20 17:55:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-20 17:55:23,884 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.2285714285714286) internal successors, (113), 35 states have internal predecessors, (113), 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 63 [2024-11-20 17:55:23,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:23,885 INFO L225 Difference]: With dead ends: 157 [2024-11-20 17:55:23,886 INFO L226 Difference]: Without dead ends: 114 [2024-11-20 17:55:23,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2024-11-20 17:55:23,887 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 35 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:23,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 172 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 17:55:23,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-20 17:55:23,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2024-11-20 17:55:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 107 states have (on average 1.0560747663551402) internal successors, (113), 110 states have internal predecessors, (113), 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) [2024-11-20 17:55:23,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 113 transitions. [2024-11-20 17:55:23,893 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 113 transitions. Word has length 63 [2024-11-20 17:55:23,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:23,894 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 113 transitions. [2024-11-20 17:55:23,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.2285714285714286) internal successors, (113), 35 states have internal predecessors, (113), 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) [2024-11-20 17:55:23,894 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 113 transitions. [2024-11-20 17:55:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-20 17:55:23,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:23,895 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:23,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 17:55:24,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:24,100 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:24,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:24,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1321735720, now seen corresponding path program 1 times [2024-11-20 17:55:24,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:24,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17278623] [2024-11-20 17:55:24,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:24,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:24,226 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-11-20 17:55:24,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:24,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17278623] [2024-11-20 17:55:24,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17278623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:24,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:24,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:24,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476005714] [2024-11-20 17:55:24,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:24,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:24,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:24,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:24,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:24,228 INFO L87 Difference]: Start difference. First operand 111 states and 113 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:24,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:24,249 INFO L93 Difference]: Finished difference Result 111 states and 113 transitions. [2024-11-20 17:55:24,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:24,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-20 17:55:24,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:24,251 INFO L225 Difference]: With dead ends: 111 [2024-11-20 17:55:24,251 INFO L226 Difference]: Without dead ends: 108 [2024-11-20 17:55:24,252 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 [2024-11-20 17:55:24,252 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 3 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:24,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 55 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:24,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-20 17:55:24,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 103. [2024-11-20 17:55:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.0294117647058822) internal successors, (105), 102 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:24,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 105 transitions. [2024-11-20 17:55:24,260 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 105 transitions. Word has length 101 [2024-11-20 17:55:24,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:24,260 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 105 transitions. [2024-11-20 17:55:24,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 105 transitions. [2024-11-20 17:55:24,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-20 17:55:24,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:24,262 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:24,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 17:55:24,264 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 17:55:24,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:24,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1975865754, now seen corresponding path program 1 times [2024-11-20 17:55:24,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:24,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433099123] [2024-11-20 17:55:24,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:24,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-11-20 17:55:24,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:24,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433099123] [2024-11-20 17:55:24,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433099123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:24,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:24,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:24,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698514659] [2024-11-20 17:55:24,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:24,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:24,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:24,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:24,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:24,357 INFO L87 Difference]: Start difference. First operand 103 states and 105 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:24,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:24,373 INFO L93 Difference]: Finished difference Result 103 states and 105 transitions. [2024-11-20 17:55:24,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:24,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 102 [2024-11-20 17:55:24,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:24,374 INFO L225 Difference]: With dead ends: 103 [2024-11-20 17:55:24,374 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 17:55:24,375 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 [2024-11-20 17:55:24,375 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:24,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:24,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 17:55:24,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 17:55:24,377 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) [2024-11-20 17:55:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 17:55:24,377 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2024-11-20 17:55:24,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:24,377 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 17:55:24,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-20 17:55:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 17:55:24,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 17:55:24,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2024-11-20 17:55:24,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2024-11-20 17:55:24,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2024-11-20 17:55:24,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2024-11-20 17:55:24,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2024-11-20 17:55:24,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2024-11-20 17:55:24,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2024-11-20 17:55:24,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2024-11-20 17:55:24,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2024-11-20 17:55:24,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2024-11-20 17:55:24,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2024-11-20 17:55:24,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2024-11-20 17:55:24,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2024-11-20 17:55:24,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2024-11-20 17:55:24,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 17:55:24,386 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:24,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 17:55:24,416 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:55:24,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:55:24 BoogieIcfgContainer [2024-11-20 17:55:24,432 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:55:24,432 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:55:24,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:55:24,433 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:55:24,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:55:19" (3/4) ... [2024-11-20 17:55:24,435 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 17:55:24,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-20 17:55:24,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 17:55:24,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 17:55:24,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 17:55:24,533 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 17:55:24,536 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 17:55:24,536 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:55:24,537 INFO L158 Benchmark]: Toolchain (without parser) took 5959.71ms. Allocated memory was 167.8MB in the beginning and 222.3MB in the end (delta: 54.5MB). Free memory was 96.7MB in the beginning and 82.8MB in the end (delta: 13.9MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2024-11-20 17:55:24,537 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:55:24,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.57ms. Allocated memory is still 167.8MB. Free memory was 96.5MB in the beginning and 84.3MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-20 17:55:24,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.28ms. Allocated memory is still 167.8MB. Free memory was 84.3MB in the beginning and 82.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:55:24,538 INFO L158 Benchmark]: Boogie Preprocessor took 39.42ms. Allocated memory is still 167.8MB. Free memory was 82.6MB in the beginning and 80.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:55:24,538 INFO L158 Benchmark]: RCFGBuilder took 406.60ms. Allocated memory is still 167.8MB. Free memory was 80.7MB in the beginning and 129.4MB in the end (delta: -48.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-11-20 17:55:24,538 INFO L158 Benchmark]: TraceAbstraction took 5103.39ms. Allocated memory was 167.8MB in the beginning and 222.3MB in the end (delta: 54.5MB). Free memory was 128.3MB in the beginning and 88.0MB in the end (delta: 40.3MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. [2024-11-20 17:55:24,539 INFO L158 Benchmark]: Witness Printer took 104.26ms. Allocated memory is still 222.3MB. Free memory was 87.0MB in the beginning and 82.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 17:55:24,540 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.57ms. Allocated memory is still 167.8MB. Free memory was 96.5MB in the beginning and 84.3MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.28ms. Allocated memory is still 167.8MB. Free memory was 84.3MB in the beginning and 82.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.42ms. Allocated memory is still 167.8MB. Free memory was 82.6MB in the beginning and 80.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 406.60ms. Allocated memory is still 167.8MB. Free memory was 80.7MB in the beginning and 129.4MB in the end (delta: -48.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5103.39ms. Allocated memory was 167.8MB in the beginning and 222.3MB in the end (delta: 54.5MB). Free memory was 128.3MB in the beginning and 88.0MB in the end (delta: 40.3MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. * Witness Printer took 104.26ms. Allocated memory is still 222.3MB. Free memory was 87.0MB in the beginning and 82.8MB 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 14, TraceHistogramMax: 15, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 1229 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 877 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 971 IncrementalHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 352 mSDtfsCounter, 971 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 259 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=12, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 22 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 737 NumberOfCodeBlocks, 737 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 821 ConstructedInterpolants, 0 QuantifiedInterpolants, 1217 SizeOfPredicates, 0 NumberOfNonLiveVariables, 388 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 21 InterpolantComputations, 11 PerfectInterpolantSequences, 1581/1805 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 14 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (0 < ((long long) x + 2147383648)) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (0 < ((long long) i + 2147383648)) RESULT: Ultimate proved your program to be correct! [2024-11-20 17:55:24,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE