./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 765d2d340527896dc3fb4c15c0374e596fc1004c6522b141fa37aab48932aa14 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:10:41,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:10:41,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 15:10:41,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:10:41,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:10:41,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:10:41,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:10:41,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:10:41,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:10:41,972 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:10:41,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:10:41,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:10:41,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:10:41,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:10:41,977 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:10:41,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:10:41,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:10:41,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 15:10:41,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:10:41,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:10:41,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:10:41,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:10:41,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:10:41,980 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:10:41,984 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:10:41,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:10:41,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:10:41,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:10:41,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:10:41,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:10:41,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:10:41,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:10:41,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:10:41,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:10:41,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:10:41,986 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 15:10:41,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 15:10:41,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:10:41,987 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:10:41,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:10:41,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:10:41,989 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765d2d340527896dc3fb4c15c0374e596fc1004c6522b141fa37aab48932aa14 [2024-10-13 15:10:42,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:10:42,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:10:42,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:10:42,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:10:42,292 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:10:42,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_good.i [2024-10-13 15:10:43,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:10:43,832 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:10:43,833 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_good.i [2024-10-13 15:10:43,855 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf187e6c/a25f1fac8969400ca2fd1cdaae70aad0/FLAG30383f0f8 [2024-10-13 15:10:43,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf187e6c/a25f1fac8969400ca2fd1cdaae70aad0 [2024-10-13 15:10:43,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:10:43,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:10:43,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:10:43,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:10:43,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:10:43,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:10:43" (1/1) ... [2024-10-13 15:10:43,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1141f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:43, skipping insertion in model container [2024-10-13 15:10:43,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:10:43" (1/1) ... [2024-10-13 15:10:43,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:10:44,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:10:44,548 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:10:44,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:10:44,694 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:10:44,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44 WrapperNode [2024-10-13 15:10:44,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:10:44,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:10:44,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:10:44,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:10:44,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,744 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2024-10-13 15:10:44,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:10:44,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:10:44,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:10:44,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:10:44,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,756 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,765 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:10:44,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:10:44,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:10:44,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:10:44,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:10:44,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (1/1) ... [2024-10-13 15:10:44,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:10:44,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:10:44,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 15:10:44,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 15:10:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-13 15:10:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-13 15:10:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:10:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:10:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:10:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:10:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:10:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-13 15:10:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-13 15:10:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-10-13 15:10:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-10-13 15:10:44,991 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:10:44,994 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:10:45,150 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-10-13 15:10:45,150 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:10:45,180 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:10:45,180 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:10:45,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:10:45 BoogieIcfgContainer [2024-10-13 15:10:45,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:10:45,182 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:10:45,182 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:10:45,185 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:10:45,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:10:43" (1/3) ... [2024-10-13 15:10:45,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530f2956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:10:45, skipping insertion in model container [2024-10-13 15:10:45,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:10:44" (2/3) ... [2024-10-13 15:10:45,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530f2956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:10:45, skipping insertion in model container [2024-10-13 15:10:45,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:10:45" (3/3) ... [2024-10-13 15:10:45,189 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_08_good.i [2024-10-13 15:10:45,213 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:10:45,213 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 15:10:45,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:10:45,293 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;@6c47311e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:10:45,293 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 15:10:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 59 states have internal predecessors, (74), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-13 15:10:45,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-13 15:10:45,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:10:45,304 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:45,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:10:45,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:10:45,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1194795619, now seen corresponding path program 1 times [2024-10-13 15:10:45,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:10:45,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987997580] [2024-10-13 15:10:45,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:45,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:10:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:45,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:10:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:45,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:10:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:45,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:10:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:10:45,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:10:45,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987997580] [2024-10-13 15:10:45,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987997580] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:10:45,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:10:45,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 15:10:45,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853125718] [2024-10-13 15:10:45,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:10:45,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:10:45,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:10:45,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:10:45,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:10:45,638 INFO L87 Difference]: Start difference. First operand has 82 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 59 states have internal predecessors, (74), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 15:10:45,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:10:45,701 INFO L93 Difference]: Finished difference Result 157 states and 209 transitions. [2024-10-13 15:10:45,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:10:45,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-10-13 15:10:45,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:10:45,714 INFO L225 Difference]: With dead ends: 157 [2024-10-13 15:10:45,714 INFO L226 Difference]: Without dead ends: 84 [2024-10-13 15:10:45,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:10:45,722 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 2 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:10:45,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 196 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:10:45,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-13 15:10:45,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2024-10-13 15:10:45,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 59 states have internal predecessors, (73), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 15:10:45,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 107 transitions. [2024-10-13 15:10:45,756 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 107 transitions. Word has length 20 [2024-10-13 15:10:45,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:10:45,756 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 107 transitions. [2024-10-13 15:10:45,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 15:10:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2024-10-13 15:10:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-13 15:10:45,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:10:45,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:45,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 15:10:45,758 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:10:45,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:10:45,759 INFO L85 PathProgramCache]: Analyzing trace with hash -514737249, now seen corresponding path program 1 times [2024-10-13 15:10:45,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:10:45,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893106211] [2024-10-13 15:10:45,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:45,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:10:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:45,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:10:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:45,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:10:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:45,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:10:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:10:45,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:10:45,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893106211] [2024-10-13 15:10:45,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893106211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:10:45,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:10:45,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 15:10:45,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830328823] [2024-10-13 15:10:45,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:10:45,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 15:10:45,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:10:45,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 15:10:45,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 15:10:45,897 INFO L87 Difference]: Start difference. First operand 81 states and 107 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 15:10:45,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:10:45,938 INFO L93 Difference]: Finished difference Result 140 states and 182 transitions. [2024-10-13 15:10:45,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 15:10:45,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-10-13 15:10:45,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:10:45,940 INFO L225 Difference]: With dead ends: 140 [2024-10-13 15:10:45,940 INFO L226 Difference]: Without dead ends: 70 [2024-10-13 15:10:45,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 15:10:45,941 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:10:45,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 249 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:10:45,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-13 15:10:45,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-13 15:10:45,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 50 states have internal predecessors, (60), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-13 15:10:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2024-10-13 15:10:45,951 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 20 [2024-10-13 15:10:45,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:10:45,951 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2024-10-13 15:10:45,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 15:10:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2024-10-13 15:10:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-13 15:10:45,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:10:45,953 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:45,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 15:10:45,953 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:10:45,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:10:45,954 INFO L85 PathProgramCache]: Analyzing trace with hash 86647173, now seen corresponding path program 1 times [2024-10-13 15:10:45,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:10:45,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832319585] [2024-10-13 15:10:45,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:45,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:10:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:10:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:10:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:10:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 15:10:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 15:10:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 15:10:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-13 15:10:46,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:10:46,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832319585] [2024-10-13 15:10:46,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832319585] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:10:46,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:10:46,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 15:10:46,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753527757] [2024-10-13 15:10:46,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:10:46,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 15:10:46,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:10:46,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 15:10:46,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 15:10:46,069 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 15:10:46,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:10:46,102 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2024-10-13 15:10:46,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 15:10:46,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2024-10-13 15:10:46,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:10:46,103 INFO L225 Difference]: With dead ends: 125 [2024-10-13 15:10:46,104 INFO L226 Difference]: Without dead ends: 68 [2024-10-13 15:10:46,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 15:10:46,106 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:10:46,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 237 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:10:46,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-13 15:10:46,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-10-13 15:10:46,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 49 states have internal predecessors, (58), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-13 15:10:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2024-10-13 15:10:46,117 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 37 [2024-10-13 15:10:46,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:10:46,117 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2024-10-13 15:10:46,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 15:10:46,117 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2024-10-13 15:10:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 15:10:46,118 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:10:46,118 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:46,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 15:10:46,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:10:46,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:10:46,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1737566178, now seen corresponding path program 1 times [2024-10-13 15:10:46,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:10:46,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361637315] [2024-10-13 15:10:46,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:46,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:10:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:10:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:10:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:10:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 15:10:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 15:10:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 15:10:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-13 15:10:46,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:10:46,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361637315] [2024-10-13 15:10:46,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361637315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:10:46,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:10:46,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 15:10:46,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444814135] [2024-10-13 15:10:46,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:10:46,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:10:46,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:10:46,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:10:46,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:10:46,201 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 15:10:46,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:10:46,230 INFO L93 Difference]: Finished difference Result 118 states and 147 transitions. [2024-10-13 15:10:46,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:10:46,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2024-10-13 15:10:46,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:10:46,234 INFO L225 Difference]: With dead ends: 118 [2024-10-13 15:10:46,235 INFO L226 Difference]: Without dead ends: 74 [2024-10-13 15:10:46,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:10:46,236 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 1 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:10:46,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 158 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:10:46,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-13 15:10:46,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2024-10-13 15:10:46,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.3125) internal successors, (63), 53 states have internal predecessors, (63), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-13 15:10:46,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2024-10-13 15:10:46,243 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 39 [2024-10-13 15:10:46,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:10:46,244 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2024-10-13 15:10:46,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 15:10:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2024-10-13 15:10:46,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 15:10:46,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:10:46,245 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:46,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 15:10:46,245 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:10:46,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:10:46,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1057507808, now seen corresponding path program 1 times [2024-10-13 15:10:46,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:10:46,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840189837] [2024-10-13 15:10:46,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:46,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:10:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:10:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:10:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:10:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 15:10:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 15:10:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 15:10:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 15:10:46,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:10:46,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840189837] [2024-10-13 15:10:46,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840189837] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:10:46,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019391342] [2024-10-13 15:10:46,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:46,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:46,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:10:46,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:10:46,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 15:10:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:10:46,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:10:46,549 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-13 15:10:46,551 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:10:46,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019391342] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:10:46,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:10:46,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-13 15:10:46,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340130891] [2024-10-13 15:10:46,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:10:46,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:10:46,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:10:46,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:10:46,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:46,553 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 15:10:46,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:10:46,578 INFO L93 Difference]: Finished difference Result 114 states and 141 transitions. [2024-10-13 15:10:46,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:10:46,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2024-10-13 15:10:46,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:10:46,579 INFO L225 Difference]: With dead ends: 114 [2024-10-13 15:10:46,579 INFO L226 Difference]: Without dead ends: 67 [2024-10-13 15:10:46,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:46,580 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 1 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:10:46,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 145 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:10:46,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-13 15:10:46,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2024-10-13 15:10:46,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 44 states have (on average 1.25) internal successors, (55), 47 states have internal predecessors, (55), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-13 15:10:46,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2024-10-13 15:10:46,593 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 39 [2024-10-13 15:10:46,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:10:46,593 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2024-10-13 15:10:46,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 15:10:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2024-10-13 15:10:46,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-13 15:10:46,594 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:10:46,594 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:46,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 15:10:46,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:46,795 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:10:46,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:10:46,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1332653499, now seen corresponding path program 1 times [2024-10-13 15:10:46,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:10:46,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905553372] [2024-10-13 15:10:46,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:46,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:10:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:10:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:10:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:10:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 15:10:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 15:10:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 15:10:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 15:10:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 15:10:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 15:10:46,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:10:46,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905553372] [2024-10-13 15:10:46,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905553372] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:10:46,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202806346] [2024-10-13 15:10:46,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:46,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:46,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:10:46,874 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:10:46,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 15:10:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:46,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:10:46,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:10:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 15:10:46,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:10:46,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202806346] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:10:46,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:10:46,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 15:10:46,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244594980] [2024-10-13 15:10:46,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:10:46,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:10:46,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:10:46,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:10:46,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:46,958 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 15:10:46,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:10:46,986 INFO L93 Difference]: Finished difference Result 88 states and 110 transitions. [2024-10-13 15:10:46,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:10:46,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 49 [2024-10-13 15:10:46,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:10:46,989 INFO L225 Difference]: With dead ends: 88 [2024-10-13 15:10:46,989 INFO L226 Difference]: Without dead ends: 73 [2024-10-13 15:10:46,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:46,990 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 2 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:10:46,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 135 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:10:46,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-13 15:10:46,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2024-10-13 15:10:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.25) internal successors, (60), 51 states have internal predecessors, (60), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-13 15:10:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2024-10-13 15:10:46,996 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 49 [2024-10-13 15:10:46,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:10:46,997 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2024-10-13 15:10:46,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 15:10:46,997 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2024-10-13 15:10:46,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-13 15:10:46,998 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:10:46,998 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:47,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 15:10:47,203 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,SelfDestructingSolverStorable5 [2024-10-13 15:10:47,204 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:10:47,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:10:47,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1637414348, now seen corresponding path program 1 times [2024-10-13 15:10:47,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:10:47,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155589022] [2024-10-13 15:10:47,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:47,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:10:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:10:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:10:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:10:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 15:10:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 15:10:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 15:10:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 15:10:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 15:10:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 15:10:47,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:10:47,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155589022] [2024-10-13 15:10:47,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155589022] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:10:47,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179876818] [2024-10-13 15:10:47,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:47,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:47,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:10:47,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:10:47,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 15:10:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:10:47,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:10:47,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 15:10:47,352 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:10:47,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179876818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:10:47,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:10:47,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 15:10:47,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742105610] [2024-10-13 15:10:47,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:10:47,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:10:47,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:10:47,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:10:47,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:47,354 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 15:10:47,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:10:47,401 INFO L93 Difference]: Finished difference Result 72 states and 91 transitions. [2024-10-13 15:10:47,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:10:47,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2024-10-13 15:10:47,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:10:47,403 INFO L225 Difference]: With dead ends: 72 [2024-10-13 15:10:47,403 INFO L226 Difference]: Without dead ends: 71 [2024-10-13 15:10:47,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:47,404 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 4 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:10:47,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 124 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:10:47,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-13 15:10:47,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-10-13 15:10:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 50 states have internal predecessors, (59), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-13 15:10:47,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2024-10-13 15:10:47,417 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 50 [2024-10-13 15:10:47,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:10:47,418 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2024-10-13 15:10:47,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 15:10:47,418 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2024-10-13 15:10:47,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-13 15:10:47,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:10:47,422 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:47,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 15:10:47,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:47,623 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:10:47,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:10:47,623 INFO L85 PathProgramCache]: Analyzing trace with hash -801491864, now seen corresponding path program 1 times [2024-10-13 15:10:47,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:10:47,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666123194] [2024-10-13 15:10:47,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:47,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:10:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:10:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:10:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:10:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 15:10:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 15:10:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 15:10:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 15:10:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 15:10:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 15:10:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-13 15:10:47,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:10:47,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666123194] [2024-10-13 15:10:47,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666123194] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:10:47,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762719474] [2024-10-13 15:10:47,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:47,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:47,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:10:47,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:10:47,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 15:10:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:47,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:10:47,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:10:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-13 15:10:47,830 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:10:47,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762719474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:10:47,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:10:47,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-13 15:10:47,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920777441] [2024-10-13 15:10:47,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:10:47,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:10:47,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:10:47,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:10:47,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:47,834 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 15:10:47,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:10:47,855 INFO L93 Difference]: Finished difference Result 90 states and 110 transitions. [2024-10-13 15:10:47,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:10:47,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 55 [2024-10-13 15:10:47,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:10:47,856 INFO L225 Difference]: With dead ends: 90 [2024-10-13 15:10:47,856 INFO L226 Difference]: Without dead ends: 69 [2024-10-13 15:10:47,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:47,857 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:10:47,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 138 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:10:47,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-13 15:10:47,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-10-13 15:10:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-13 15:10:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2024-10-13 15:10:47,862 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 55 [2024-10-13 15:10:47,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:10:47,863 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2024-10-13 15:10:47,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 15:10:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2024-10-13 15:10:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-13 15:10:47,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:10:47,864 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:47,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 15:10:48,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:48,065 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:10:48,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:10:48,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1214783797, now seen corresponding path program 1 times [2024-10-13 15:10:48,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:10:48,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331850338] [2024-10-13 15:10:48,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:10:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:10:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:10:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:10:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 15:10:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 15:10:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 15:10:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 15:10:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 15:10:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 15:10:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 15:10:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-13 15:10:48,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:10:48,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331850338] [2024-10-13 15:10:48,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331850338] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:10:48,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032382811] [2024-10-13 15:10:48,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:48,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:48,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:10:48,136 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:10:48,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 15:10:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:10:48,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:10:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-13 15:10:48,225 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:10:48,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032382811] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:10:48,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:10:48,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-13 15:10:48,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757784011] [2024-10-13 15:10:48,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:10:48,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:10:48,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:10:48,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:10:48,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:48,226 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 15:10:48,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:10:48,246 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2024-10-13 15:10:48,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:10:48,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2024-10-13 15:10:48,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:10:48,247 INFO L225 Difference]: With dead ends: 76 [2024-10-13 15:10:48,247 INFO L226 Difference]: Without dead ends: 68 [2024-10-13 15:10:48,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:48,248 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:10:48,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:10:48,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-13 15:10:48,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-10-13 15:10:48,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-13 15:10:48,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2024-10-13 15:10:48,252 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 60 [2024-10-13 15:10:48,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:10:48,252 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2024-10-13 15:10:48,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 15:10:48,252 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2024-10-13 15:10:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-13 15:10:48,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:10:48,253 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:48,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 15:10:48,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:48,454 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:10:48,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:10:48,454 INFO L85 PathProgramCache]: Analyzing trace with hash 2024130423, now seen corresponding path program 1 times [2024-10-13 15:10:48,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:10:48,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262645745] [2024-10-13 15:10:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:48,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:10:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:10:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:10:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:10:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 15:10:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 15:10:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 15:10:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 15:10:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 15:10:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 15:10:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 15:10:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-13 15:10:48,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:10:48,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262645745] [2024-10-13 15:10:48,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262645745] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:10:48,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562997778] [2024-10-13 15:10:48,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:48,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:48,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:10:48,541 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:10:48,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 15:10:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:10:48,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:10:48,639 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-13 15:10:48,640 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:10:48,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562997778] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:10:48,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:10:48,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 15:10:48,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543663288] [2024-10-13 15:10:48,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:10:48,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:10:48,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:10:48,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:10:48,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:48,643 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 15:10:48,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:10:48,658 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2024-10-13 15:10:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:10:48,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2024-10-13 15:10:48,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:10:48,660 INFO L225 Difference]: With dead ends: 68 [2024-10-13 15:10:48,660 INFO L226 Difference]: Without dead ends: 67 [2024-10-13 15:10:48,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:48,660 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 1 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:10:48,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 129 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:10:48,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-13 15:10:48,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-10-13 15:10:48,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.148936170212766) internal successors, (54), 47 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-13 15:10:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2024-10-13 15:10:48,670 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 60 [2024-10-13 15:10:48,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:10:48,671 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2024-10-13 15:10:48,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 15:10:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2024-10-13 15:10:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-13 15:10:48,672 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:10:48,672 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:48,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 15:10:48,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:48,877 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:10:48,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:10:48,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1676466155, now seen corresponding path program 1 times [2024-10-13 15:10:48,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:10:48,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922981374] [2024-10-13 15:10:48,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:48,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:10:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:10:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:10:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:10:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 15:10:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 15:10:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 15:10:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 15:10:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 15:10:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 15:10:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 15:10:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-13 15:10:48,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:10:48,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922981374] [2024-10-13 15:10:48,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922981374] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:10:48,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295993189] [2024-10-13 15:10:48,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:10:48,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:48,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:10:48,956 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:10:48,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 15:10:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:10:49,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:10:49,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:10:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-13 15:10:49,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:10:49,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295993189] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:10:49,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:10:49,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 15:10:49,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459823554] [2024-10-13 15:10:49,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:10:49,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:10:49,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:10:49,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:10:49,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:49,032 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 15:10:49,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:10:49,045 INFO L93 Difference]: Finished difference Result 67 states and 84 transitions. [2024-10-13 15:10:49,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:10:49,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2024-10-13 15:10:49,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:10:49,046 INFO L225 Difference]: With dead ends: 67 [2024-10-13 15:10:49,046 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 15:10:49,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:10:49,047 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 1 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:10:49,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 127 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:10:49,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 15:10:49,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 15:10:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 15:10:49,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 15:10:49,048 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2024-10-13 15:10:49,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:10:49,048 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 15:10:49,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 15:10:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 15:10:49,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 15:10:49,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-13 15:10:49,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-13 15:10:49,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-13 15:10:49,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-13 15:10:49,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-13 15:10:49,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-13 15:10:49,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-13 15:10:49,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-13 15:10:49,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 15:10:49,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:10:49,255 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:10:49,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 15:10:49,297 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:10:49,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:10:49 BoogieIcfgContainer [2024-10-13 15:10:49,310 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:10:49,311 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:10:49,311 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:10:49,311 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:10:49,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:10:45" (3/4) ... [2024-10-13 15:10:49,313 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 15:10:49,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-13 15:10:49,317 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-10-13 15:10:49,317 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-13 15:10:49,317 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-10-13 15:10:49,321 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-13 15:10:49,322 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-13 15:10:49,322 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 15:10:49,322 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 15:10:49,406 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 15:10:49,406 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 15:10:49,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:10:49,407 INFO L158 Benchmark]: Toolchain (without parser) took 5535.31ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 143.3MB in the beginning and 122.4MB in the end (delta: 20.9MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2024-10-13 15:10:49,407 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 90.0MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:10:49,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.64ms. Allocated memory is still 174.1MB. Free memory was 143.3MB in the beginning and 77.3MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-10-13 15:10:49,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.66ms. Allocated memory is still 174.1MB. Free memory was 77.3MB in the beginning and 74.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:10:49,408 INFO L158 Benchmark]: Boogie Preprocessor took 30.38ms. Allocated memory is still 174.1MB. Free memory was 74.1MB in the beginning and 71.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:10:49,408 INFO L158 Benchmark]: RCFGBuilder took 403.72ms. Allocated memory is still 174.1MB. Free memory was 71.0MB in the beginning and 52.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 15:10:49,408 INFO L158 Benchmark]: TraceAbstraction took 4128.23ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 51.1MB in the beginning and 128.7MB in the end (delta: -77.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:10:49,408 INFO L158 Benchmark]: Witness Printer took 95.50ms. Allocated memory is still 211.8MB. Free memory was 128.7MB in the beginning and 122.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 15:10:49,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 90.0MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.64ms. Allocated memory is still 174.1MB. Free memory was 143.3MB in the beginning and 77.3MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.66ms. Allocated memory is still 174.1MB. Free memory was 77.3MB in the beginning and 74.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.38ms. Allocated memory is still 174.1MB. Free memory was 74.1MB in the beginning and 71.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 403.72ms. Allocated memory is still 174.1MB. Free memory was 71.0MB in the beginning and 52.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4128.23ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 51.1MB in the beginning and 128.7MB in the end (delta: -77.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 95.50ms. Allocated memory is still 211.8MB. Free memory was 128.7MB in the beginning and 122.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: 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 5 procedures, 82 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 1776 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 919 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 187 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 857 mSDtfsCounter, 187 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 558 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 35, 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, 11 MinimizatonAttempts, 9 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 864 NumberOfCodeBlocks, 864 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 846 ConstructedInterpolants, 0 QuantifiedInterpolants, 1010 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1206 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 367/380 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 8 specifications checked. All of them hold - ProcedureContractResult [Line: 1552]: Procedure Contract for staticReturnsFalse Derived contract for procedure staticReturnsFalse. Ensures: (\result == 0) - ProcedureContractResult [Line: 1548]: Procedure Contract for staticReturnsTrue Derived contract for procedure staticReturnsTrue. Ensures: (\result == 1) RESULT: Ultimate proved your program to be correct! [2024-10-13 15:10:49,437 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