./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_min_postdec_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_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 82cbe1692672672f8770f5c1b4433ae801d66ea6353b7b098a4d90d92058c6b8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:00:33,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:00:33,943 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 16:00:33,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:00:33,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:00:33,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:00:33,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:00:33,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:00:33,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:00:33,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:00:33,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:00:33,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:00:33,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:00:33,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:00:33,984 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:00:33,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:00:33,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:00:33,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:00:33,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:00:33,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:00:33,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:00:33,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:00:33,990 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:00:33,990 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:00:33,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:00:33,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:00:33,991 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:00:33,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:00:33,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:00:33,991 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:00:33,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:00:33,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:33,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:00:33,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:00:33,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:00:33,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:00:33,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:00:33,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:00:33,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:00:33,996 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:00:33,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:00:33,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82cbe1692672672f8770f5c1b4433ae801d66ea6353b7b098a4d90d92058c6b8 [2024-10-13 16:00:34,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:00:34,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:00:34,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:00:34,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:00:34,289 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:00:34,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_good.i [2024-10-13 16:00:35,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:00:36,111 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:00:36,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_good.i [2024-10-13 16:00:36,145 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21b4bda4f/5aff2d725a5e4258979e3ab8b0d26362/FLAG84f1041c9 [2024-10-13 16:00:36,348 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21b4bda4f/5aff2d725a5e4258979e3ab8b0d26362 [2024-10-13 16:00:36,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:00:36,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:00:36,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:36,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:00:36,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:00:36,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e928b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36, skipping insertion in model container [2024-10-13 16:00:36,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:00:37,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:37,226 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:00:37,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:37,400 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:00:37,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37 WrapperNode [2024-10-13 16:00:37,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:37,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:37,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:00:37,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:00:37,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,464 INFO L138 Inliner]: procedures = 502, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 67 [2024-10-13 16:00:37,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:37,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:00:37,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:00:37,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:00:37,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,488 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:00:37,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:00:37,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:00:37,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:00:37,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:00:37,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (1/1) ... [2024-10-13 16:00:37,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:37,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:00:37,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:00:37,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:00:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-13 16:00:37,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-13 16:00:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:00:37,567 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:00:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:00:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-10-13 16:00:37,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-10-13 16:00:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:00:37,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:00:37,693 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:00:37,695 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:00:37,855 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-10-13 16:00:37,856 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:00:37,877 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:00:37,878 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:00:37,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:37 BoogieIcfgContainer [2024-10-13 16:00:37,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:00:37,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:00:37,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:00:37,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:00:37,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:00:36" (1/3) ... [2024-10-13 16:00:37,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:37, skipping insertion in model container [2024-10-13 16:00:37,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:37" (2/3) ... [2024-10-13 16:00:37,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:37, skipping insertion in model container [2024-10-13 16:00:37,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:37" (3/3) ... [2024-10-13 16:00:37,889 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_65_good.i [2024-10-13 16:00:37,905 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:00:37,905 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-13 16:00:37,971 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:00:37,977 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;@2a9cd2a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:00:37,979 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-13 16:00:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 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) [2024-10-13 16:00:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-13 16:00:37,990 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:37,991 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:00:37,995 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)] === [2024-10-13 16:00:37,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:37,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1877852356, now seen corresponding path program 1 times [2024-10-13 16:00:38,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:00:38,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222936834] [2024-10-13 16:00:38,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:38,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:00:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:38,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:00:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:00:38,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:00:38,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222936834] [2024-10-13 16:00:38,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222936834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:00:38,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:00:38,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:00:38,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735363362] [2024-10-13 16:00:38,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:00:38,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:00:38,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:00:38,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:00:38,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:00:38,489 INFO L87 Difference]: Start difference. First operand has 36 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 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) [2024-10-13 16:00:38,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:00:38,635 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2024-10-13 16:00:38,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:00:38,637 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 [2024-10-13 16:00:38,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:00:38,645 INFO L225 Difference]: With dead ends: 56 [2024-10-13 16:00:38,645 INFO L226 Difference]: Without dead ends: 42 [2024-10-13 16:00:38,648 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 [2024-10-13 16:00:38,653 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 18 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 162 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 [2024-10-13 16:00:38,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 162 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:00:38,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-10-13 16:00:38,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2024-10-13 16:00:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 29 states have internal predecessors, (35), 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) [2024-10-13 16:00:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2024-10-13 16:00:38,692 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 11 [2024-10-13 16:00:38,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:00:38,693 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2024-10-13 16:00:38,693 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) [2024-10-13 16:00:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2024-10-13 16:00:38,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 16:00:38,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:38,694 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:00:38,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:00:38,695 INFO L396 AbstractCegarLoop]: === Iteration 2 === 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)] === [2024-10-13 16:00:38,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:38,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1916119026, now seen corresponding path program 1 times [2024-10-13 16:00:38,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:00:38,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032564597] [2024-10-13 16:00:38,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:38,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:00:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:38,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:00:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:00:38,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:00:38,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032564597] [2024-10-13 16:00:38,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032564597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:00:38,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:00:38,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:00:38,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4271329] [2024-10-13 16:00:38,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:00:38,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:00:38,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:00:38,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:00:38,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:00:38,846 INFO L87 Difference]: Start difference. First operand 39 states and 46 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) [2024-10-13 16:00:38,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:00:38,922 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2024-10-13 16:00:38,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:00:38,923 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 [2024-10-13 16:00:38,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:00:38,924 INFO L225 Difference]: With dead ends: 42 [2024-10-13 16:00:38,925 INFO L226 Difference]: Without dead ends: 41 [2024-10-13 16:00:38,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:00:38,927 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 16 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:00:38,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 128 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:00:38,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-13 16:00:38,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2024-10-13 16:00:38,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 29 states have internal predecessors, (34), 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) [2024-10-13 16:00:38,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2024-10-13 16:00:38,939 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 12 [2024-10-13 16:00:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:00:38,939 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2024-10-13 16:00:38,939 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) [2024-10-13 16:00:38,939 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-10-13 16:00:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 16:00:38,940 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:38,940 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:00:38,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:00:38,941 INFO L396 AbstractCegarLoop]: === Iteration 3 === 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)] === [2024-10-13 16:00:38,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:38,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1916135875, now seen corresponding path program 1 times [2024-10-13 16:00:38,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:00:38,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008333759] [2024-10-13 16:00:38,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:38,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:00:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:38,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:00:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:38,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:00:38,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:00:38,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008333759] [2024-10-13 16:00:38,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008333759] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:00:38,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:00:38,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:00:38,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581242362] [2024-10-13 16:00:38,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:00:38,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:00:38,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:00:38,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:00:38,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:00:38,985 INFO L87 Difference]: Start difference. First operand 39 states and 45 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) [2024-10-13 16:00:39,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:00:39,002 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2024-10-13 16:00:39,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:00:39,002 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 [2024-10-13 16:00:39,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:00:39,003 INFO L225 Difference]: With dead ends: 39 [2024-10-13 16:00:39,003 INFO L226 Difference]: Without dead ends: 38 [2024-10-13 16:00:39,004 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 [2024-10-13 16:00:39,005 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:00:39,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 57 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:00:39,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-13 16:00:39,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-10-13 16:00:39,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 28 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) [2024-10-13 16:00:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2024-10-13 16:00:39,012 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 12 [2024-10-13 16:00:39,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:00:39,013 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2024-10-13 16:00:39,013 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) [2024-10-13 16:00:39,013 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2024-10-13 16:00:39,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 16:00:39,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:39,014 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:00:39,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:00:39,014 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)] === [2024-10-13 16:00:39,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:39,014 INFO L85 PathProgramCache]: Analyzing trace with hash 729330087, now seen corresponding path program 1 times [2024-10-13 16:00:39,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:00:39,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505193275] [2024-10-13 16:00:39,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:39,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:00:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:39,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:00:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:39,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:00:39,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:00:39,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505193275] [2024-10-13 16:00:39,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505193275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:00:39,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:00:39,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:00:39,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473624802] [2024-10-13 16:00:39,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:00:39,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:00:39,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:00:39,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:00:39,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:00:39,113 INFO L87 Difference]: Start difference. First operand 38 states and 43 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) [2024-10-13 16:00:39,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:00:39,132 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2024-10-13 16:00:39,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:00:39,133 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 [2024-10-13 16:00:39,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:00:39,133 INFO L225 Difference]: With dead ends: 58 [2024-10-13 16:00:39,133 INFO L226 Difference]: Without dead ends: 30 [2024-10-13 16:00:39,134 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 [2024-10-13 16:00:39,135 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 5 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:00:39,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 58 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:00:39,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-13 16:00:39,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-13 16:00:39,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.15) internal successors, (23), 22 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) [2024-10-13 16:00:39,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2024-10-13 16:00:39,141 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 13 [2024-10-13 16:00:39,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:00:39,141 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2024-10-13 16:00:39,142 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) [2024-10-13 16:00:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2024-10-13 16:00:39,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 16:00:39,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:39,143 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] [2024-10-13 16:00:39,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:00:39,143 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)] === [2024-10-13 16:00:39,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:39,144 INFO L85 PathProgramCache]: Analyzing trace with hash 158570356, now seen corresponding path program 1 times [2024-10-13 16:00:39,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:00:39,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758328179] [2024-10-13 16:00:39,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:39,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:00:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:39,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:00:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:39,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:00:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:39,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 16:00:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:39,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:00:39,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:00:39,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758328179] [2024-10-13 16:00:39,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758328179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:00:39,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:00:39,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:00:39,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878151612] [2024-10-13 16:00:39,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:00:39,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:00:39,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:00:39,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:00:39,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:00:39,240 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-13 16:00:39,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:00:39,259 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2024-10-13 16:00:39,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:00:39,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 23 [2024-10-13 16:00:39,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:00:39,260 INFO L225 Difference]: With dead ends: 30 [2024-10-13 16:00:39,260 INFO L226 Difference]: Without dead ends: 26 [2024-10-13 16:00:39,261 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 [2024-10-13 16:00:39,262 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:00:39,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 55 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:00:39,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-13 16:00:39,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-10-13 16:00:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-10-13 16:00:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2024-10-13 16:00:39,268 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 23 [2024-10-13 16:00:39,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:00:39,269 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2024-10-13 16:00:39,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-13 16:00:39,269 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2024-10-13 16:00:39,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-13 16:00:39,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:39,270 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] [2024-10-13 16:00:39,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:00:39,271 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)] === [2024-10-13 16:00:39,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:39,271 INFO L85 PathProgramCache]: Analyzing trace with hash 2061737047, now seen corresponding path program 1 times [2024-10-13 16:00:39,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:00:39,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787414918] [2024-10-13 16:00:39,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:39,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:00:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:39,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:00:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:39,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:00:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:39,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 16:00:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:00:39,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:00:39,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787414918] [2024-10-13 16:00:39,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787414918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:00:39,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:00:39,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 16:00:39,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699021221] [2024-10-13 16:00:39,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:00:39,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:00:39,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:00:39,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:00:39,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:00:39,441 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 7 states, 5 states have (on average 3.6) internal successors, (18), 6 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) [2024-10-13 16:00:39,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:00:39,501 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2024-10-13 16:00:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:00:39,502 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.6) internal successors, (18), 6 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 [2024-10-13 16:00:39,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:00:39,503 INFO L225 Difference]: With dead ends: 26 [2024-10-13 16:00:39,503 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 16:00:39,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-13 16:00:39,504 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:00:39,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 102 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:00:39,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 16:00:39,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 16:00:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:00:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 16:00:39,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2024-10-13 16:00:39,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:00:39,510 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:00:39,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.6) internal successors, (18), 6 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) [2024-10-13 16:00:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 16:00:39,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 16:00:39,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-13 16:00:39,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-13 16:00:39,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-13 16:00:39,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-13 16:00:39,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:00:39,518 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-13 16:00:39,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 16:00:39,709 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:00:39,738 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.offset [2024-10-13 16:00:39,740 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-13 16:00:39,741 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.base [2024-10-13 16:00:39,741 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-13 16:00:39,741 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-13 16:00:39,743 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.offset [2024-10-13 16:00:39,743 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-13 16:00:39,747 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.base [2024-10-13 16:00:39,747 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-13 16:00:39,747 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-13 16:00:39,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:00:39 BoogieIcfgContainer [2024-10-13 16:00:39,749 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:00:39,749 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:00:39,749 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:00:39,749 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:00:39,750 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:37" (3/4) ... [2024-10-13 16:00:39,753 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 16:00:39,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-13 16:00:39,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-13 16:00:39,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2024-10-13 16:00:39,762 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-10-13 16:00:39,763 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-13 16:00:39,764 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-13 16:00:39,812 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) [2024-10-13 16:00:39,820 INFO L158 Benchmark]: Toolchain (without parser) took 3468.67ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 72.6MB in the beginning and 68.6MB in the end (delta: 4.0MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2024-10-13 16:00:39,822 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:00:39,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1048.38ms. Allocated memory is still 130.0MB. Free memory was 72.5MB in the beginning and 53.6MB in the end (delta: 18.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-10-13 16:00:39,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.28ms. Allocated memory is still 130.0MB. Free memory was 53.6MB in the beginning and 50.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:39,823 INFO L158 Benchmark]: Boogie Preprocessor took 33.40ms. Allocated memory is still 130.0MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:39,823 INFO L158 Benchmark]: RCFGBuilder took 378.87ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 48.6MB in the beginning and 129.8MB in the end (delta: -81.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-10-13 16:00:39,824 INFO L158 Benchmark]: TraceAbstraction took 1867.87ms. Allocated memory is still 167.8MB. Free memory was 128.8MB in the beginning and 71.8MB in the end (delta: 57.0MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-10-13 16:00:39,824 INFO L158 Benchmark]: Witness Printer took 70.73ms. Allocated memory is still 167.8MB. Free memory was 71.8MB in the beginning and 68.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:39,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1048.38ms. Allocated memory is still 130.0MB. Free memory was 72.5MB in the beginning and 53.6MB in the end (delta: 18.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.28ms. Allocated memory is still 130.0MB. Free memory was 53.6MB in the beginning and 50.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.40ms. Allocated memory is still 130.0MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.87ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 48.6MB in the beginning and 129.8MB in the end (delta: -81.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1867.87ms. Allocated memory is still 167.8MB. Free memory was 128.8MB in the beginning and 71.8MB in the end (delta: 57.0MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Witness Printer took 70.73ms. Allocated memory is still 167.8MB. Free memory was 71.8MB in the beginning and 68.6MB 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~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_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~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_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: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 562 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 409 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 153 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 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() + 2147483648) <= 0) || (0 == ((long) 2 + \old()))) Ensures: (((\old() + 2147483648) <= 0) || (0 == ((long) 2 + \old()))) * 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. [2024-10-13 16:00:39,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_min_postdec_65_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 82cbe1692672672f8770f5c1b4433ae801d66ea6353b7b098a4d90d92058c6b8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:00:42,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:00:42,126 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 16:00:42,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:00:42,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:00:42,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 16:00:42,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:00:42,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:00:42,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:00:42,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:00:42,165 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:00:42,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:00:42,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:00:42,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:00:42,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:00:42,170 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:00:42,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:00:42,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:00:42,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:00:42,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:00:42,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:00:42,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:00:42,173 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 16:00:42,174 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 16:00:42,174 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:00:42,174 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:00:42,174 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 16:00:42,175 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:00:42,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:00:42,175 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:00:42,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:00:42,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:00:42,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:00:42,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:00:42,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:42,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:00:42,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:00:42,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:00:42,178 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 16:00:42,179 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 16:00:42,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:00:42,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:00:42,179 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:00:42,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:00:42,180 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 16:00:42,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82cbe1692672672f8770f5c1b4433ae801d66ea6353b7b098a4d90d92058c6b8 [2024-10-13 16:00:42,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:00:42,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:00:42,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:00:42,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:00:42,512 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:00:42,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_good.i [2024-10-13 16:00:44,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:00:44,445 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:00:44,446 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_good.i [2024-10-13 16:00:44,474 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2538f5c/d4460594bec34c7e82f88fc870162435/FLAG576e5bff2 [2024-10-13 16:00:44,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2538f5c/d4460594bec34c7e82f88fc870162435 [2024-10-13 16:00:44,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:00:44,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:00:44,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:44,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:00:44,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:00:44,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:44" (1/1) ... [2024-10-13 16:00:44,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e25c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:44, skipping insertion in model container [2024-10-13 16:00:44,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:44" (1/1) ... [2024-10-13 16:00:44,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:00:45,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:45,463 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:00:45,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:45,663 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:00:45,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45 WrapperNode [2024-10-13 16:00:45,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:45,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:45,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:00:45,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:00:45,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,727 INFO L138 Inliner]: procedures = 507, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 67 [2024-10-13 16:00:45,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:45,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:00:45,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:00:45,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:00:45,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,757 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:00:45,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:00:45,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:00:45,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:00:45,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:00:45,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (1/1) ... [2024-10-13 16:00:45,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:45,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:00:45,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:00:45,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:00:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-13 16:00:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-13 16:00:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:00:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:00:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:00:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID [2024-10-13 16:00:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID [2024-10-13 16:00:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:00:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:00:46,012 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:00:46,014 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:00:46,184 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-10-13 16:00:46,185 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:00:46,225 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:00:46,225 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:00:46,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:46 BoogieIcfgContainer [2024-10-13 16:00:46,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:00:46,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:00:46,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:00:46,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:00:46,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:00:44" (1/3) ... [2024-10-13 16:00:46,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67719e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:46, skipping insertion in model container [2024-10-13 16:00:46,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:45" (2/3) ... [2024-10-13 16:00:46,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67719e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:46, skipping insertion in model container [2024-10-13 16:00:46,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:46" (3/3) ... [2024-10-13 16:00:46,234 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_65_good.i [2024-10-13 16:00:46,251 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:00:46,252 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-13 16:00:46,308 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:00:46,313 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;@266cac14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:00:46,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-13 16:00:46,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 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) [2024-10-13 16:00:46,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-13 16:00:46,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:46,322 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:00:46,322 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)] === [2024-10-13 16:00:46,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:46,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1877852356, now seen corresponding path program 1 times [2024-10-13 16:00:46,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 16:00:46,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150257413] [2024-10-13 16:00:46,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:46,337 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 [2024-10-13 16:00:46,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 16:00:46,339 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) [2024-10-13 16:00:46,340 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 [2024-10-13 16:00:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:46,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 16:00:46,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:00:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:00:46,572 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:00:46,573 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 16:00:46,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150257413] [2024-10-13 16:00:46,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150257413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:00:46,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:00:46,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:00:46,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665612149] [2024-10-13 16:00:46,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:00:46,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:00:46,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 16:00:46,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:00:46,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:00:46,605 INFO L87 Difference]: Start difference. First operand has 36 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 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) [2024-10-13 16:00:46,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:00:46,712 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2024-10-13 16:00:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:00:46,716 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 [2024-10-13 16:00:46,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:00:46,724 INFO L225 Difference]: With dead ends: 54 [2024-10-13 16:00:46,724 INFO L226 Difference]: Without dead ends: 36 [2024-10-13 16:00:46,727 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 [2024-10-13 16:00:46,732 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 16 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 144 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 [2024-10-13 16:00:46,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 144 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:00:46,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-13 16:00:46,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-10-13 16:00:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 25 states have internal predecessors, (29), 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) [2024-10-13 16:00:46,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2024-10-13 16:00:46,771 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 11 [2024-10-13 16:00:46,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:00:46,772 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-10-13 16:00:46,773 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) [2024-10-13 16:00:46,773 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2024-10-13 16:00:46,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 16:00:46,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:46,774 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:00:46,784 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 [2024-10-13 16:00:46,975 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 [2024-10-13 16:00:46,975 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)] === [2024-10-13 16:00:46,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:46,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1916135875, now seen corresponding path program 1 times [2024-10-13 16:00:46,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 16:00:46,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371893617] [2024-10-13 16:00:46,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:46,977 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 [2024-10-13 16:00:46,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 16:00:46,979 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) [2024-10-13 16:00:46,980 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 [2024-10-13 16:00:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:47,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 16:00:47,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:00:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:00:47,069 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:00:47,070 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 16:00:47,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371893617] [2024-10-13 16:00:47,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371893617] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:00:47,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:00:47,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:00:47,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409329497] [2024-10-13 16:00:47,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:00:47,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:00:47,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 16:00:47,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:00:47,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:00:47,072 INFO L87 Difference]: Start difference. First operand 35 states and 40 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) [2024-10-13 16:00:47,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:00:47,102 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2024-10-13 16:00:47,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:00:47,103 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 [2024-10-13 16:00:47,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:00:47,104 INFO L225 Difference]: With dead ends: 52 [2024-10-13 16:00:47,104 INFO L226 Difference]: Without dead ends: 27 [2024-10-13 16:00:47,105 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 [2024-10-13 16:00:47,106 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 5 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 47 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 [2024-10-13 16:00:47,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 47 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:00:47,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-13 16:00:47,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-13 16:00:47,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 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) [2024-10-13 16:00:47,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-10-13 16:00:47,112 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 12 [2024-10-13 16:00:47,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:00:47,112 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2024-10-13 16:00:47,113 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) [2024-10-13 16:00:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-10-13 16:00:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 16:00:47,113 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:47,114 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] [2024-10-13 16:00:47,137 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 [2024-10-13 16:00:47,314 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 [2024-10-13 16:00:47,315 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)] === [2024-10-13 16:00:47,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:47,316 INFO L85 PathProgramCache]: Analyzing trace with hash 158570356, now seen corresponding path program 1 times [2024-10-13 16:00:47,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 16:00:47,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300244224] [2024-10-13 16:00:47,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:47,317 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 [2024-10-13 16:00:47,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 16:00:47,321 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) [2024-10-13 16:00:47,322 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 [2024-10-13 16:00:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:47,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:00:47,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:00:47,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:00:47,474 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:00:47,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 16:00:47,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300244224] [2024-10-13 16:00:47,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300244224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:00:47,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:00:47,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:00:47,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21439532] [2024-10-13 16:00:47,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:00:47,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:00:47,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 16:00:47,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:00:47,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:00:47,477 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-13 16:00:47,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:00:47,516 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2024-10-13 16:00:47,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:00:47,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 23 [2024-10-13 16:00:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:00:47,517 INFO L225 Difference]: With dead ends: 27 [2024-10-13 16:00:47,517 INFO L226 Difference]: Without dead ends: 25 [2024-10-13 16:00:47,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:00:47,519 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:00:47,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 53 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:00:47,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-13 16:00:47,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-13 16:00:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 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) [2024-10-13 16:00:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2024-10-13 16:00:47,529 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2024-10-13 16:00:47,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:00:47,529 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2024-10-13 16:00:47,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-13 16:00:47,530 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2024-10-13 16:00:47,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 16:00:47,531 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:47,531 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] [2024-10-13 16:00:47,536 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 [2024-10-13 16:00:47,731 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 [2024-10-13 16:00:47,732 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)] === [2024-10-13 16:00:47,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:47,733 INFO L85 PathProgramCache]: Analyzing trace with hash 620696973, now seen corresponding path program 1 times [2024-10-13 16:00:47,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 16:00:47,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277906475] [2024-10-13 16:00:47,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:47,733 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 [2024-10-13 16:00:47,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 16:00:47,737 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) [2024-10-13 16:00:47,739 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 [2024-10-13 16:00:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:00:47,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 16:00:47,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:00:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:00:47,868 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:00:47,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 16:00:47,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277906475] [2024-10-13 16:00:47,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277906475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:00:47,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:00:47,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 16:00:47,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202483122] [2024-10-13 16:00:47,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:00:47,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:00:47,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 16:00:47,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:00:47,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:00:47,875 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-10-13 16:00:47,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:00:47,933 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2024-10-13 16:00:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:00:47,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 24 [2024-10-13 16:00:47,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:00:47,934 INFO L225 Difference]: With dead ends: 25 [2024-10-13 16:00:47,934 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 16:00:47,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:00:47,935 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:00:47,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 84 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:00:47,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 16:00:47,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 16:00:47,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:00:47,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 16:00:47,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-10-13 16:00:47,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:00:47,937 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:00:47,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-10-13 16:00:47,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 16:00:47,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 16:00:47,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-13 16:00:47,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-13 16:00:47,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-13 16:00:47,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-13 16:00:47,946 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-10-13 16:00:48,142 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 [2024-10-13 16:00:48,145 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-13 16:00:48,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 16:00:48,286 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:00:48,309 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-13 16:00:48,310 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.base [2024-10-13 16:00:48,311 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-13 16:00:48,325 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.offset [2024-10-13 16:00:48,326 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-13 16:00:48,327 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodG2BSink.offset [2024-10-13 16:00:48,327 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-13 16:00:48,327 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.base [2024-10-13 16:00:48,328 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-13 16:00:48,328 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.offset [2024-10-13 16:00:48,328 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-13 16:00:48,328 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodG2BSink.offset [2024-10-13 16:00:48,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:00:48 BoogieIcfgContainer [2024-10-13 16:00:48,329 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:00:48,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:00:48,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:00:48,330 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:00:48,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:46" (3/4) ... [2024-10-13 16:00:48,334 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 16:00:48,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-13 16:00:48,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-13 16:00:48,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~C_INT~TO~VOID [2024-10-13 16:00:48,342 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-10-13 16:00:48,342 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-13 16:00:48,342 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-13 16:00:48,345 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 16:00:48,392 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) [2024-10-13 16:00:48,394 INFO L158 Benchmark]: Toolchain (without parser) took 3900.66ms. Allocated memory was 69.2MB in the beginning and 109.1MB in the end (delta: 39.8MB). Free memory was 39.7MB in the beginning and 75.3MB in the end (delta: -35.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-10-13 16:00:48,395 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory was 32.8MB in the beginning and 32.7MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:00:48,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1168.99ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 39.4MB in the beginning and 50.0MB in the end (delta: -10.6MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-10-13 16:00:48,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.53ms. Allocated memory is still 90.2MB. Free memory was 50.0MB in the beginning and 46.5MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:48,395 INFO L158 Benchmark]: Boogie Preprocessor took 47.93ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 43.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:00:48,396 INFO L158 Benchmark]: RCFGBuilder took 448.32ms. Allocated memory is still 90.2MB. Free memory was 43.8MB in the beginning and 52.7MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 16:00:48,396 INFO L158 Benchmark]: TraceAbstraction took 2102.20ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 51.6MB in the beginning and 78.7MB in the end (delta: -27.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-10-13 16:00:48,396 INFO L158 Benchmark]: Witness Printer took 63.81ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 75.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:48,398 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory was 32.8MB in the beginning and 32.7MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1168.99ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 39.4MB in the beginning and 50.0MB in the end (delta: -10.6MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.53ms. Allocated memory is still 90.2MB. Free memory was 50.0MB in the beginning and 46.5MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.93ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 43.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 448.32ms. Allocated memory is still 90.2MB. Free memory was 43.8MB in the beginning and 52.7MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2102.20ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 51.6MB in the beginning and 78.7MB in the end (delta: -27.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Witness Printer took 63.81ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 75.3MB in the end (delta: 3.4MB). 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: #in~#fp!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodG2BSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_postdec_65b_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: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 328 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 88 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 0.3s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 3 NumberOfNonLiveVariables, 234 ConjunctsInSsa, 21 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 - ProcedureContractResult [Line: -1]: Procedure Contract for ##fun~C_INT~TO~VOID Derived contract for procedure ##fun~C_INT~TO~VOID. Requires: ((0 == ((-2147483648 + \old()) % 4294967296)) || (0 == ((2 + \old()) % 4294967296))) Ensures: ((0 == ((-2147483648 + \old()) % 4294967296)) || (0 == ((2 + \old()) % 4294967296))) * 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. [2024-10-13 16:00:48,427 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: ERROR: ExceptionOrErrorResult: NullPointerException: null