./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/CWE191_Integer_Underflow__int_rand_predec_44_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_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 ff2100b57ba1af733b18b0ed01e5612337c89783713c65e87d346ed39457ac58 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:18:18,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:18:18,346 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 23:18:18,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:18:18,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:18:18,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:18:18,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:18:18,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:18:18,385 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:18:18,386 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:18:18,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:18:18,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:18:18,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:18:18,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:18:18,387 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:18:18,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:18:18,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:18:18,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:18:18,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:18:18,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:18:18,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:18:18,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:18:18,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:18:18,391 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:18:18,391 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:18:18,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:18:18,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:18:18,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:18:18,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:18:18,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:18:18,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:18:18,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:18:18,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:18:18,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:18:18,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:18:18,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:18:18,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:18:18,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:18:18,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:18:18,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:18:18,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:18:18,397 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff2100b57ba1af733b18b0ed01e5612337c89783713c65e87d346ed39457ac58 [2024-10-14 23:18:18,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:18:18,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:18:18,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:18:18,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:18:18,662 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:18:18,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_good.i [2024-10-14 23:18:20,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:18:20,410 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:18:20,410 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_good.i [2024-10-14 23:18:20,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e41fc399/98fd28801a6a43e28880a01bcc08a2f0/FLAGa094ad713 [2024-10-14 23:18:20,647 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e41fc399/98fd28801a6a43e28880a01bcc08a2f0 [2024-10-14 23:18:20,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:18:20,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:18:20,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:18:20,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:18:20,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:18:20,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:18:20" (1/1) ... [2024-10-14 23:18:20,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3790d932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:20, skipping insertion in model container [2024-10-14 23:18:20,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:18:20" (1/1) ... [2024-10-14 23:18:20,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:18:21,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:18:21,444 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:18:21,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:18:21,659 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:18:21,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21 WrapperNode [2024-10-14 23:18:21,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:18:21,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:18:21,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:18:21,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:18:21,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,781 INFO L138 Inliner]: procedures = 502, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2024-10-14 23:18:21,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:18:21,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:18:21,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:18:21,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:18:21,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,803 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,815 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 23:18:21,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:18:21,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:18:21,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:18:21,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:18:21,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (1/1) ... [2024-10-14 23:18:21,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:18:21,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:18:21,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 23:18:21,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 23:18:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-14 23:18:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-14 23:18:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 23:18:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 23:18:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:18:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-10-14 23:18:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-10-14 23:18:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:18:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:18:22,093 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:18:22,095 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:18:22,308 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-10-14 23:18:22,309 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:18:22,336 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:18:22,336 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:18:22,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:18:22 BoogieIcfgContainer [2024-10-14 23:18:22,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:18:22,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:18:22,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:18:22,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:18:22,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:18:20" (1/3) ... [2024-10-14 23:18:22,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57471ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:18:22, skipping insertion in model container [2024-10-14 23:18:22,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:21" (2/3) ... [2024-10-14 23:18:22,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57471ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:18:22, skipping insertion in model container [2024-10-14 23:18:22,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:18:22" (3/3) ... [2024-10-14 23:18:22,342 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_44_good.i [2024-10-14 23:18:22,360 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:18:22,360 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-14 23:18:22,415 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:18:22,421 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;@78c3b997, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:18:22,421 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-14 23:18:22,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 47 states have internal predecessors, (63), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 23:18:22,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 23:18:22,436 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:18:22,438 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:18:22,439 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 23:18:22,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:18:22,445 INFO L85 PathProgramCache]: Analyzing trace with hash -519865738, now seen corresponding path program 1 times [2024-10-14 23:18:22,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:18:22,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743878050] [2024-10-14 23:18:22,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:18:22,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:18:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:22,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:18:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:18:22,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:18:22,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743878050] [2024-10-14 23:18:22,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743878050] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:18:22,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:18:22,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:18:22,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349319565] [2024-10-14 23:18:22,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:18:22,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 23:18:22,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:18:22,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 23:18:22,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:18:22,883 INFO L87 Difference]: Start difference. First operand has 58 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 47 states have internal predecessors, (63), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:23,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:18:23,009 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2024-10-14 23:18:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 23:18:23,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-10-14 23:18:23,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:18:23,019 INFO L225 Difference]: With dead ends: 78 [2024-10-14 23:18:23,019 INFO L226 Difference]: Without dead ends: 64 [2024-10-14 23:18:23,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:18:23,025 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 18 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:18:23,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 325 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:18:23,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-14 23:18:23,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2024-10-14 23:18:23,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 51 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 23:18:23,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2024-10-14 23:18:23,075 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 11 [2024-10-14 23:18:23,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:18:23,077 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2024-10-14 23:18:23,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2024-10-14 23:18:23,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-14 23:18:23,079 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:18:23,079 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:18:23,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:18:23,080 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 23:18:23,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:18:23,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1064014618, now seen corresponding path program 1 times [2024-10-14 23:18:23,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:18:23,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898717557] [2024-10-14 23:18:23,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:18:23,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:18:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:23,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:18:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:18:23,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:18:23,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898717557] [2024-10-14 23:18:23,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898717557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:18:23,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:18:23,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:18:23,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596165853] [2024-10-14 23:18:23,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:18:23,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:18:23,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:18:23,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:18:23,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:18:23,179 INFO L87 Difference]: Start difference. First operand 61 states and 81 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:23,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:18:23,208 INFO L93 Difference]: Finished difference Result 61 states and 81 transitions. [2024-10-14 23:18:23,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:18:23,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-14 23:18:23,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:18:23,214 INFO L225 Difference]: With dead ends: 61 [2024-10-14 23:18:23,215 INFO L226 Difference]: Without dead ends: 60 [2024-10-14 23:18:23,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:18:23,217 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:18:23,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 126 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:18:23,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-14 23:18:23,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-14 23:18:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 50 states have internal predecessors, (68), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 23:18:23,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 79 transitions. [2024-10-14 23:18:23,232 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 79 transitions. Word has length 12 [2024-10-14 23:18:23,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:18:23,232 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 79 transitions. [2024-10-14 23:18:23,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2024-10-14 23:18:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-14 23:18:23,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:18:23,233 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:18:23,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 23:18:23,234 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 23:18:23,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:18:23,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1064031467, now seen corresponding path program 1 times [2024-10-14 23:18:23,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:18:23,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914727031] [2024-10-14 23:18:23,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:18:23,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:18:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:23,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:18:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:23,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:18:23,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:18:23,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914727031] [2024-10-14 23:18:23,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914727031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:18:23,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:18:23,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:18:23,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636311808] [2024-10-14 23:18:23,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:18:23,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 23:18:23,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:18:23,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 23:18:23,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:18:23,393 INFO L87 Difference]: Start difference. First operand 60 states and 79 transitions. Second operand has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:23,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:18:23,462 INFO L93 Difference]: Finished difference Result 62 states and 79 transitions. [2024-10-14 23:18:23,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 23:18:23,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-14 23:18:23,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:18:23,463 INFO L225 Difference]: With dead ends: 62 [2024-10-14 23:18:23,464 INFO L226 Difference]: Without dead ends: 61 [2024-10-14 23:18:23,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:18:23,465 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 15 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:18:23,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 298 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:18:23,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-14 23:18:23,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2024-10-14 23:18:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 50 states have internal predecessors, (67), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 23:18:23,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 78 transitions. [2024-10-14 23:18:23,472 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 78 transitions. Word has length 12 [2024-10-14 23:18:23,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:18:23,473 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 78 transitions. [2024-10-14 23:18:23,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:23,473 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2024-10-14 23:18:23,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 23:18:23,474 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:18:23,474 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:18:23,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 23:18:23,474 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 23:18:23,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:18:23,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1375285063, now seen corresponding path program 1 times [2024-10-14 23:18:23,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:18:23,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024031448] [2024-10-14 23:18:23,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:18:23,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:18:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:23,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:18:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:18:23,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:18:23,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024031448] [2024-10-14 23:18:23,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024031448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:18:23,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:18:23,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:18:23,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554801362] [2024-10-14 23:18:23,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:18:23,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:18:23,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:18:23,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:18:23,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:18:23,562 INFO L87 Difference]: Start difference. First operand 60 states and 78 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:23,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:18:23,597 INFO L93 Difference]: Finished difference Result 102 states and 131 transitions. [2024-10-14 23:18:23,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:18:23,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-10-14 23:18:23,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:18:23,599 INFO L225 Difference]: With dead ends: 102 [2024-10-14 23:18:23,600 INFO L226 Difference]: Without dead ends: 52 [2024-10-14 23:18:23,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:18:23,602 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 5 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:18:23,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 163 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:18:23,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-14 23:18:23,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-14 23:18:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 42 states have (on average 1.380952380952381) internal successors, (58), 44 states have internal predecessors, (58), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 23:18:23,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2024-10-14 23:18:23,612 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 13 [2024-10-14 23:18:23,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:18:23,615 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2024-10-14 23:18:23,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2024-10-14 23:18:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 23:18:23,616 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:18:23,616 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 23:18:23,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 23:18:23,617 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 23:18:23,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:18:23,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1454836485, now seen corresponding path program 1 times [2024-10-14 23:18:23,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:18:23,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401759677] [2024-10-14 23:18:23,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:18:23,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:18:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:23,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:18:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:23,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:18:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:23,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 23:18:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:18:23,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:18:23,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401759677] [2024-10-14 23:18:23,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401759677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:18:23,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:18:23,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:18:23,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298210273] [2024-10-14 23:18:23,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:18:23,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:18:23,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:18:23,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:18:23,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:18:23,835 INFO L87 Difference]: Start difference. First operand 52 states and 65 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:18:23,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:18:23,863 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2024-10-14 23:18:23,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:18:23,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-10-14 23:18:23,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:18:23,865 INFO L225 Difference]: With dead ends: 52 [2024-10-14 23:18:23,865 INFO L226 Difference]: Without dead ends: 48 [2024-10-14 23:18:23,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:18:23,867 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 33 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:18:23,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 125 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:18:23,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-14 23:18:23,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-14 23:18:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 40 states have (on average 1.35) internal successors, (54), 40 states have internal predecessors, (54), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 23:18:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2024-10-14 23:18:23,879 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 29 [2024-10-14 23:18:23,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:18:23,880 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2024-10-14 23:18:23,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:18:23,882 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2024-10-14 23:18:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-14 23:18:23,882 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:18:23,883 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:18:23,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 23:18:23,883 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 23:18:23,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:18:23,884 INFO L85 PathProgramCache]: Analyzing trace with hash -2061993592, now seen corresponding path program 1 times [2024-10-14 23:18:23,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:18:23,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709345804] [2024-10-14 23:18:23,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:18:23,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:18:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:24,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:18:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:24,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:18:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:24,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 23:18:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:24,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:18:24,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:18:24,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709345804] [2024-10-14 23:18:24,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709345804] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:18:24,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:18:24,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:18:24,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137405670] [2024-10-14 23:18:24,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:18:24,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 23:18:24,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:18:24,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 23:18:24,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:18:24,087 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand has 6 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:18:24,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:18:24,137 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2024-10-14 23:18:24,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 23:18:24,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-10-14 23:18:24,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:18:24,138 INFO L225 Difference]: With dead ends: 48 [2024-10-14 23:18:24,140 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 23:18:24,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:18:24,141 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 4 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:18:24,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 259 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:18:24,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 23:18:24,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 23:18:24,142 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) [2024-10-14 23:18:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 23:18:24,146 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2024-10-14 23:18:24,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:18:24,146 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 23:18:24,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:18:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 23:18:24,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 23:18:24,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-14 23:18:24,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-14 23:18:24,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-14 23:18:24,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-14 23:18:24,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 23:18:24,153 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-14 23:18:24,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 23:18:24,312 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:18:24,335 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.offset [2024-10-14 23:18:24,336 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-14 23:18:24,336 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.base [2024-10-14 23:18:24,336 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-14 23:18:24,337 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-14 23:18:24,338 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.offset [2024-10-14 23:18:24,338 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-14 23:18:24,338 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.base [2024-10-14 23:18:24,338 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-14 23:18:24,339 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-14 23:18:24,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:18:24 BoogieIcfgContainer [2024-10-14 23:18:24,340 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:18:24,341 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:18:24,341 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:18:24,341 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:18:24,342 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:18:22" (3/4) ... [2024-10-14 23:18:24,344 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 23:18:24,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-14 23:18:24,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-14 23:18:24,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2024-10-14 23:18:24,355 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-10-14 23:18:24,356 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-14 23:18:24,356 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-14 23:18:24,407 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at java.base/java.util.ImmutableCollections$Map1.get(ImmutableCollections.java:759) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.getWitnessLocation(YamlCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.extractFunctionContracts(YamlCorrectnessWitnessGenerator.java:104) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.getWitness(YamlCorrectnessWitnessGenerator.java:66) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.makeYamlString(YamlCorrectnessWitnessGenerator.java:116) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:170) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:140) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-14 23:18:24,411 INFO L158 Benchmark]: Toolchain (without parser) took 3760.85ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 111.7MB in the beginning and 111.2MB in the end (delta: 498.6kB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2024-10-14 23:18:24,411 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 169.9MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:18:24,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1007.36ms. Allocated memory is still 169.9MB. Free memory was 111.7MB in the beginning and 48.1MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-10-14 23:18:24,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.24ms. Allocated memory is still 169.9MB. Free memory was 48.1MB in the beginning and 135.6MB in the end (delta: -87.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-14 23:18:24,412 INFO L158 Benchmark]: Boogie Preprocessor took 47.40ms. Allocated memory is still 169.9MB. Free memory was 135.6MB in the beginning and 133.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:18:24,412 INFO L158 Benchmark]: RCFGBuilder took 506.16ms. Allocated memory is still 169.9MB. Free memory was 132.6MB in the beginning and 113.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-14 23:18:24,412 INFO L158 Benchmark]: TraceAbstraction took 2002.36ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 112.5MB in the beginning and 114.3MB in the end (delta: -1.8MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2024-10-14 23:18:24,412 INFO L158 Benchmark]: Witness Printer took 69.26ms. Allocated memory is still 247.5MB. Free memory was 114.3MB in the beginning and 111.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:18:24,417 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 169.9MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1007.36ms. Allocated memory is still 169.9MB. Free memory was 111.7MB in the beginning and 48.1MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.24ms. Allocated memory is still 169.9MB. Free memory was 48.1MB in the beginning and 135.6MB in the end (delta: -87.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.40ms. Allocated memory is still 169.9MB. Free memory was 135.6MB in the beginning and 133.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.16ms. Allocated memory is still 169.9MB. Free memory was 132.6MB in the beginning and 113.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2002.36ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 112.5MB in the beginning and 114.3MB in the end (delta: -1.8MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. * Witness Printer took 69.26ms. Allocated memory is still 247.5MB. Free memory was 114.3MB in the beginning and 111.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset * 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: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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 4 procedures, 58 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 1296 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 937 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 359 mSDtfsCounter, 177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=1, InterpolantAutomatonStates: 29, 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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 4 specifications checked. All of them hold - ProcedureContractResult [Line: -1]: Procedure Contract for ##fun~int~TO~VOID Derived contract for procedure ##fun~int~TO~VOID. Requires: ((\old() <= 2147483647) || (((long) 2 + \old()) == 0)) Ensures: ((\old() <= 2147483647) || (((long) 2 + \old()) == 0)) * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: java.base/java.util.ImmutableCollections$Map1.get(ImmutableCollections.java:759) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-14 23:18:24,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/CWE191_Integer_Underflow__int_rand_predec_44_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.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 ff2100b57ba1af733b18b0ed01e5612337c89783713c65e87d346ed39457ac58 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:18:26,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:18:26,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-14 23:18:26,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:18:26,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:18:26,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-14 23:18:26,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:18:26,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:18:26,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:18:26,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:18:26,706 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:18:26,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:18:26,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:18:26,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:18:26,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:18:26,709 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:18:26,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:18:26,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:18:26,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:18:26,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:18:26,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:18:26,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:18:26,714 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 23:18:26,714 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 23:18:26,715 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:18:26,715 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:18:26,715 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 23:18:26,716 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:18:26,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:18:26,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:18:26,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:18:26,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:18:26,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:18:26,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:18:26,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:18:26,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:18:26,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:18:26,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:18:26,719 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 23:18:26,720 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 23:18:26,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:18:26,720 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:18:26,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:18:26,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:18:26,723 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 23:18:26,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff2100b57ba1af733b18b0ed01e5612337c89783713c65e87d346ed39457ac58 [2024-10-14 23:18:27,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:18:27,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:18:27,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:18:27,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:18:27,078 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:18:27,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_good.i [2024-10-14 23:18:28,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:18:28,977 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:18:28,978 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_good.i [2024-10-14 23:18:29,001 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6dbde6c/d980c054ea594305b296c905a92a7908/FLAG171534de4 [2024-10-14 23:18:29,206 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6dbde6c/d980c054ea594305b296c905a92a7908 [2024-10-14 23:18:29,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:18:29,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:18:29,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:18:29,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:18:29,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:18:29,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:18:29" (1/1) ... [2024-10-14 23:18:29,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a95de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:29, skipping insertion in model container [2024-10-14 23:18:29,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:18:29" (1/1) ... [2024-10-14 23:18:29,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:18:30,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:18:30,059 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:18:30,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:18:30,251 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:18:30,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30 WrapperNode [2024-10-14 23:18:30,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:18:30,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:18:30,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:18:30,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:18:30,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,313 INFO L138 Inliner]: procedures = 507, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-10-14 23:18:30,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:18:30,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:18:30,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:18:30,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:18:30,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,331 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,341 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 23:18:30,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:18:30,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:18:30,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:18:30,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:18:30,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (1/1) ... [2024-10-14 23:18:30,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:18:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:18:30,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 23:18:30,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 23:18:30,435 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-14 23:18:30,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-14 23:18:30,435 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 23:18:30,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 23:18:30,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:18:30,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID [2024-10-14 23:18:30,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID [2024-10-14 23:18:30,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:18:30,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:18:30,585 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:18:30,587 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:18:30,787 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-10-14 23:18:30,788 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:18:30,826 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:18:30,826 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:18:30,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:18:30 BoogieIcfgContainer [2024-10-14 23:18:30,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:18:30,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:18:30,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:18:30,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:18:30,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:18:29" (1/3) ... [2024-10-14 23:18:30,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593a7a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:18:30, skipping insertion in model container [2024-10-14 23:18:30,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:30" (2/3) ... [2024-10-14 23:18:30,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593a7a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:18:30, skipping insertion in model container [2024-10-14 23:18:30,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:18:30" (3/3) ... [2024-10-14 23:18:30,834 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_44_good.i [2024-10-14 23:18:30,849 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:18:30,849 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-14 23:18:30,902 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:18:30,909 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;@2ef41b27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:18:30,910 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-14 23:18:30,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 27 states have internal predecessors, (31), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 23:18:30,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 23:18:30,918 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:18:30,919 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:18:30,919 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 23:18:30,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:18:30,925 INFO L85 PathProgramCache]: Analyzing trace with hash -787831618, now seen corresponding path program 1 times [2024-10-14 23:18:30,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 23:18:30,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575544747] [2024-10-14 23:18:30,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:18:30,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 23:18:30,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 23:18:30,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 23:18:30,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 23:18:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:31,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 23:18:31,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:18:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:18:31,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:18:31,149 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 23:18:31,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575544747] [2024-10-14 23:18:31,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575544747] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:18:31,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:18:31,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:18:31,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802550555] [2024-10-14 23:18:31,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:18:31,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 23:18:31,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 23:18:31,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 23:18:31,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:18:31,193 INFO L87 Difference]: Start difference. First operand has 38 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 27 states have internal predecessors, (31), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:31,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:18:31,324 INFO L93 Difference]: Finished difference Result 56 states and 69 transitions. [2024-10-14 23:18:31,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 23:18:31,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-10-14 23:18:31,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:18:31,334 INFO L225 Difference]: With dead ends: 56 [2024-10-14 23:18:31,334 INFO L226 Difference]: Without dead ends: 38 [2024-10-14 23:18:31,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:18:31,342 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 16 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:18:31,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 159 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:18:31,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-14 23:18:31,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2024-10-14 23:18:31,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 23:18:31,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2024-10-14 23:18:31,377 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 11 [2024-10-14 23:18:31,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:18:31,378 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2024-10-14 23:18:31,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-10-14 23:18:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-14 23:18:31,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:18:31,380 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:18:31,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-14 23:18:31,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 23:18:31,581 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 23:18:31,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:18:31,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1347006858, now seen corresponding path program 1 times [2024-10-14 23:18:31,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 23:18:31,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784244897] [2024-10-14 23:18:31,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:18:31,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 23:18:31,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 23:18:31,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 23:18:31,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 23:18:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:31,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 23:18:31,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:18:31,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:18:31,709 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:18:31,709 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 23:18:31,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784244897] [2024-10-14 23:18:31,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [784244897] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:18:31,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:18:31,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:18:31,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228930432] [2024-10-14 23:18:31,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:18:31,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:18:31,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 23:18:31,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:18:31,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:18:31,714 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:31,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:18:31,771 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2024-10-14 23:18:31,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:18:31,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-14 23:18:31,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:18:31,773 INFO L225 Difference]: With dead ends: 56 [2024-10-14 23:18:31,773 INFO L226 Difference]: Without dead ends: 29 [2024-10-14 23:18:31,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:18:31,775 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 5 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:18:31,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 56 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:18:31,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-10-14 23:18:31,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-10-14 23:18:31,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 23:18:31,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2024-10-14 23:18:31,789 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 12 [2024-10-14 23:18:31,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:18:31,789 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2024-10-14 23:18:31,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 23:18:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-10-14 23:18:31,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 23:18:31,792 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:18:31,792 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:18:31,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-14 23:18:31,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 23:18:31,993 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 23:18:31,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:18:31,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1321301867, now seen corresponding path program 1 times [2024-10-14 23:18:31,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 23:18:31,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086464201] [2024-10-14 23:18:31,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:18:31,995 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 23:18:31,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 23:18:31,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 23:18:32,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-14 23:18:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:32,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 23:18:32,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:18:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:18:32,157 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:18:32,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 23:18:32,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086464201] [2024-10-14 23:18:32,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086464201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:18:32,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:18:32,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:18:32,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726111343] [2024-10-14 23:18:32,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:18:32,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:18:32,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 23:18:32,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:18:32,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:18:32,164 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:18:32,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:18:32,199 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2024-10-14 23:18:32,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:18:32,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-10-14 23:18:32,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:18:32,201 INFO L225 Difference]: With dead ends: 29 [2024-10-14 23:18:32,201 INFO L226 Difference]: Without dead ends: 27 [2024-10-14 23:18:32,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:18:32,202 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:18:32,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 59 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:18:32,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-14 23:18:32,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-14 23:18:32,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 23:18:32,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2024-10-14 23:18:32,214 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 25 [2024-10-14 23:18:32,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:18:32,215 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-10-14 23:18:32,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:18:32,215 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-10-14 23:18:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 23:18:32,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:18:32,217 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 23:18:32,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-14 23:18:32,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 23:18:32,418 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 23:18:32,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:18:32,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1989331843, now seen corresponding path program 1 times [2024-10-14 23:18:32,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 23:18:32,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151677186] [2024-10-14 23:18:32,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:18:32,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 23:18:32,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 23:18:32,421 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 23:18:32,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-14 23:18:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:18:32,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 23:18:32,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:18:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 23:18:32,501 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:18:32,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 23:18:32,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151677186] [2024-10-14 23:18:32,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151677186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:18:32,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:18:32,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:18:32,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940826426] [2024-10-14 23:18:32,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:18:32,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:18:32,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 23:18:32,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:18:32,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:18:32,504 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:18:32,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:18:32,517 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-10-14 23:18:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:18:32,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-10-14 23:18:32,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:18:32,518 INFO L225 Difference]: With dead ends: 27 [2024-10-14 23:18:32,518 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 23:18:32,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:18:32,520 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:18:32,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:18:32,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 23:18:32,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 23:18:32,521 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) [2024-10-14 23:18:32,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 23:18:32,521 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2024-10-14 23:18:32,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:18:32,521 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 23:18:32,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:18:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 23:18:32,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 23:18:32,524 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-14 23:18:32,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-14 23:18:32,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-14 23:18:32,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-14 23:18:32,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-10-14 23:18:32,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 23:18:32,729 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-14 23:18:32,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 23:18:32,842 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:18:32,940 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-14 23:18:32,948 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.offset [2024-10-14 23:18:32,949 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-14 23:18:32,949 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.base [2024-10-14 23:18:32,949 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-14 23:18:32,950 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~goodG2BSink.offset [2024-10-14 23:18:32,954 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-14 23:18:32,954 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.offset [2024-10-14 23:18:32,955 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-14 23:18:32,955 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.base [2024-10-14 23:18:32,955 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-14 23:18:32,955 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~goodG2BSink.offset [2024-10-14 23:18:32,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:18:32 BoogieIcfgContainer [2024-10-14 23:18:32,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:18:32,961 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:18:32,961 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:18:32,961 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:18:32,962 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:18:30" (3/4) ... [2024-10-14 23:18:32,964 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 23:18:32,971 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-14 23:18:32,973 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-14 23:18:32,973 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~C_INT~TO~VOID [2024-10-14 23:18:32,979 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-10-14 23:18:32,980 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-14 23:18:32,980 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-14 23:18:32,981 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 23:18:33,075 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 23:18:33,075 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 23:18:33,075 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:18:33,076 INFO L158 Benchmark]: Toolchain (without parser) took 3866.67ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 33.7MB in the beginning and 74.3MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:18:33,076 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 29.2MB in the beginning and 29.2MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:18:33,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1042.26ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 33.7MB in the beginning and 48.8MB in the end (delta: -15.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-10-14 23:18:33,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.11ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 45.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:18:33,077 INFO L158 Benchmark]: Boogie Preprocessor took 45.33ms. Allocated memory is still 92.3MB. Free memory was 45.7MB in the beginning and 42.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:18:33,077 INFO L158 Benchmark]: RCFGBuilder took 466.47ms. Allocated memory is still 92.3MB. Free memory was 42.9MB in the beginning and 50.1MB in the end (delta: -7.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-10-14 23:18:33,078 INFO L158 Benchmark]: TraceAbstraction took 2131.16ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 49.1MB in the beginning and 79.2MB in the end (delta: -30.0MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-10-14 23:18:33,078 INFO L158 Benchmark]: Witness Printer took 114.61ms. Allocated memory is still 111.1MB. Free memory was 79.2MB in the beginning and 74.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:18:33,082 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 29.2MB in the beginning and 29.2MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1042.26ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 33.7MB in the beginning and 48.8MB in the end (delta: -15.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.11ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 45.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.33ms. Allocated memory is still 92.3MB. Free memory was 45.7MB in the beginning and 42.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.47ms. Allocated memory is still 92.3MB. Free memory was 42.9MB in the beginning and 50.1MB in the end (delta: -7.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2131.16ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 49.1MB in the beginning and 79.2MB in the end (delta: -30.0MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Witness Printer took 114.61ms. Allocated memory is still 111.1MB. Free memory was 79.2MB in the beginning and 74.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~goodG2BSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~goodB2GSink.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~goodG2BSink.offset * 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: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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 4 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 318 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 216 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 102 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 2 NumberOfNonLiveVariables, 250 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 5/5 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 23:18:33,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE