./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 830e900f54612ae6f5fdd54a6e852255995dc393df17a5aad189cddec2169dac --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:42:32,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:42:32,770 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 16:42:32,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:42:32,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:42:32,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:42:32,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:42:32,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:42:32,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:42:32,809 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:42:32,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:42:32,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:42:32,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:42:32,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:42:32,816 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:42:32,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:42:32,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 16:42:32,817 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 16:42:32,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 16:42:32,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 16:42:32,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:42:32,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 16:42:32,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:42:32,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 16:42:32,820 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:42:32,820 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 16:42:32,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:42:32,821 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 16:42:32,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 16:42:32,821 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:42:32,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:42:32,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:42:32,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:42:32,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:42:32,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:42:32,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:42:32,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:42:32,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 16:42:32,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 16:42:32,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 16:42:32,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:42:32,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:42:32,827 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:42:32,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:42:32,827 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 830e900f54612ae6f5fdd54a6e852255995dc393df17a5aad189cddec2169dac [2024-11-12 16:42:33,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:42:33,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:42:33,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:42:33,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:42:33,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:42:33,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c [2024-11-12 16:42:34,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:42:34,853 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:42:34,855 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c [2024-11-12 16:42:34,873 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df51ac6c/2926afe613c446f787360f63d460d048/FLAG570b4a168 [2024-11-12 16:42:34,896 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df51ac6c/2926afe613c446f787360f63d460d048 [2024-11-12 16:42:34,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:42:34,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:42:34,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:42:34,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:42:34,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:42:34,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:42:34" (1/1) ... [2024-11-12 16:42:34,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d55b6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:34, skipping insertion in model container [2024-11-12 16:42:34,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:42:34" (1/1) ... [2024-11-12 16:42:34,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:42:35,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:42:35,261 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:42:35,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:42:35,336 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:42:35,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35 WrapperNode [2024-11-12 16:42:35,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:42:35,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:42:35,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:42:35,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:42:35,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,402 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 691 [2024-11-12 16:42:35,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:42:35,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:42:35,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:42:35,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:42:35,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,428 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,451 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 16:42:35,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:42:35,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:42:35,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:42:35,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:42:35,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (1/1) ... [2024-11-12 16:42:35,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:42:35,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:42:35,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 16:42:35,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 16:42:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 16:42:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 16:42:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:42:35,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:42:35,714 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:42:35,717 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:42:35,744 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-12 16:42:36,347 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##104: assume false; [2024-11-12 16:42:36,348 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume !false; [2024-11-12 16:42:36,409 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2024-11-12 16:42:36,410 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:42:36,433 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:42:36,433 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 16:42:36,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:42:36 BoogieIcfgContainer [2024-11-12 16:42:36,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:42:36,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:42:36,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:42:36,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:42:36,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:42:34" (1/3) ... [2024-11-12 16:42:36,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da44d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:42:36, skipping insertion in model container [2024-11-12 16:42:36,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:35" (2/3) ... [2024-11-12 16:42:36,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da44d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:42:36, skipping insertion in model container [2024-11-12 16:42:36,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:42:36" (3/3) ... [2024-11-12 16:42:36,444 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1_alt.BV.c.cil.c [2024-11-12 16:42:36,461 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:42:36,462 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-12 16:42:36,539 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:42:36,547 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;@1a6f4842, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:42:36,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-12 16:42:36,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 202 states, 185 states have (on average 1.7405405405405405) internal successors, (322), 201 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:42:36,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 16:42:36,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:36,560 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 16:42:36,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-12 16:42:36,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:36,567 INFO L85 PathProgramCache]: Analyzing trace with hash 889508720, now seen corresponding path program 1 times [2024-11-12 16:42:36,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:36,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547967162] [2024-11-12 16:42:36,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:36,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:36,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:36,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547967162] [2024-11-12 16:42:36,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547967162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:36,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:36,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:42:36,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806052667] [2024-11-12 16:42:36,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:36,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 16:42:36,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:36,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 16:42:36,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 16:42:36,798 INFO L87 Difference]: Start difference. First operand has 202 states, 185 states have (on average 1.7405405405405405) internal successors, (322), 201 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:42:36,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:36,832 INFO L93 Difference]: Finished difference Result 400 states and 639 transitions. [2024-11-12 16:42:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 16:42:36,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 16:42:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:36,846 INFO L225 Difference]: With dead ends: 400 [2024-11-12 16:42:36,846 INFO L226 Difference]: Without dead ends: 193 [2024-11-12 16:42:36,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 16:42:36,852 INFO L435 NwaCegarLoop]: 317 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:36,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:36,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-12 16:42:36,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-11-12 16:42:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 177 states have (on average 1.7231638418079096) internal successors, (305), 192 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:42:36,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 305 transitions. [2024-11-12 16:42:36,918 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 305 transitions. Word has length 6 [2024-11-12 16:42:36,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:36,918 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 305 transitions. [2024-11-12 16:42:36,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:42:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 305 transitions. [2024-11-12 16:42:36,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 16:42:36,920 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:36,920 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 16:42:36,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 16:42:36,921 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-12 16:42:36,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:36,922 INFO L85 PathProgramCache]: Analyzing trace with hash 889568302, now seen corresponding path program 1 times [2024-11-12 16:42:36,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:36,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176643580] [2024-11-12 16:42:36,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:36,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:37,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:37,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176643580] [2024-11-12 16:42:37,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176643580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:37,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:37,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:42:37,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913432142] [2024-11-12 16:42:37,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:37,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:42:37,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:37,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:42:37,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:42:37,048 INFO L87 Difference]: Start difference. First operand 193 states and 305 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:42:37,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:37,094 INFO L93 Difference]: Finished difference Result 193 states and 305 transitions. [2024-11-12 16:42:37,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:42:37,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 16:42:37,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:37,096 INFO L225 Difference]: With dead ends: 193 [2024-11-12 16:42:37,096 INFO L226 Difference]: Without dead ends: 192 [2024-11-12 16:42:37,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:42:37,100 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 295 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:37,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 299 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:37,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-12 16:42:37,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-11-12 16:42:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 177 states have (on average 1.7175141242937852) internal successors, (304), 191 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:42:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 304 transitions. [2024-11-12 16:42:37,114 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 304 transitions. Word has length 6 [2024-11-12 16:42:37,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:37,114 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 304 transitions. [2024-11-12 16:42:37,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:42:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 304 transitions. [2024-11-12 16:42:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 16:42:37,115 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:37,115 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:37,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 16:42:37,117 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-12 16:42:37,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:37,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1806813640, now seen corresponding path program 1 times [2024-11-12 16:42:37,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:37,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533375929] [2024-11-12 16:42:37,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:37,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 16:42:37,156 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 16:42:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 16:42:37,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 16:42:37,214 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 16:42:37,216 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-12 16:42:37,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-12 16:42:37,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-12 16:42:37,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-12 16:42:37,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-12 16:42:37,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-12 16:42:37,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-12 16:42:37,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-12 16:42:37,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-12 16:42:37,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-12 16:42:37,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-12 16:42:37,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-12 16:42:37,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-12 16:42:37,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-12 16:42:37,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-12 16:42:37,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-12 16:42:37,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 16:42:37,226 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-12 16:42:37,249 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 16:42:37,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:42:37 BoogieIcfgContainer [2024-11-12 16:42:37,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 16:42:37,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 16:42:37,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 16:42:37,254 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 16:42:37,254 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:42:36" (3/4) ... [2024-11-12 16:42:37,255 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-12 16:42:37,323 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 16:42:37,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 16:42:37,324 INFO L158 Benchmark]: Toolchain (without parser) took 2423.73ms. Allocated memory is still 159.4MB. Free memory was 89.0MB in the beginning and 100.0MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:42:37,324 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 159.4MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:42:37,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.26ms. Allocated memory is still 159.4MB. Free memory was 88.9MB in the beginning and 124.9MB in the end (delta: -36.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-12 16:42:37,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.69ms. Allocated memory is still 159.4MB. Free memory was 124.9MB in the beginning and 121.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 16:42:37,329 INFO L158 Benchmark]: Boogie Preprocessor took 99.65ms. Allocated memory is still 159.4MB. Free memory was 121.3MB in the beginning and 117.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:42:37,329 INFO L158 Benchmark]: RCFGBuilder took 930.04ms. Allocated memory is still 159.4MB. Free memory was 117.7MB in the beginning and 69.8MB in the end (delta: 47.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-12 16:42:37,329 INFO L158 Benchmark]: TraceAbstraction took 817.02ms. Allocated memory is still 159.4MB. Free memory was 68.9MB in the beginning and 103.3MB in the end (delta: -34.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:42:37,329 INFO L158 Benchmark]: Witness Printer took 70.31ms. Allocated memory is still 159.4MB. Free memory was 103.3MB in the beginning and 100.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 16:42:37,331 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 159.4MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.26ms. Allocated memory is still 159.4MB. Free memory was 88.9MB in the beginning and 124.9MB in the end (delta: -36.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.69ms. Allocated memory is still 159.4MB. Free memory was 124.9MB in the beginning and 121.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.65ms. Allocated memory is still 159.4MB. Free memory was 121.3MB in the beginning and 117.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 930.04ms. Allocated memory is still 159.4MB. Free memory was 117.7MB in the beginning and 69.8MB in the end (delta: 47.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 817.02ms. Allocated memory is still 159.4MB. Free memory was 68.9MB in the beginning and 103.3MB in the end (delta: -34.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.31ms. Allocated memory is still 159.4MB. Free memory was 103.3MB in the beginning and 100.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 99]: integer overflow possible integer overflow possible We found a FailurePath: [L699] int s ; [L700] int tmp ; [L704] s = 8464 [L705] CALL ssl3_accept(s) [L24] int s__info_callback = __VERIFIER_nondet_int(); [L25] int s__in_handshake = __VERIFIER_nondet_int(); [L26] int s__state ; [L27] int s__new_session ; [L28] int s__server ; [L29] int s__version = __VERIFIER_nondet_int(); [L30] int s__type ; [L31] int s__init_num ; [L32] int s__hit = __VERIFIER_nondet_int(); [L33] int s__rwstate ; [L34] int s__init_buf___0 = __VERIFIER_nondet_int(); [L35] int s__debug = __VERIFIER_nondet_int(); [L36] int s__shutdown ; [L37] int s__cert = __VERIFIER_nondet_int(); [L38] int s__options = __VERIFIER_nondet_int(); [L39] int s__verify_mode = __VERIFIER_nondet_int(); [L40] int s__session__peer = __VERIFIER_nondet_int(); [L41] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L42] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L43] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int(); [L44] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int(); [L45] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__cert_request ; [L47] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L48] int s__s3__tmp__use_rsa_tmp ; [L49] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L50] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L51] int s__s3__tmp__next_state___0 ; [L52] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int(); [L53] int s__session__cipher ; [L54] int buf = __VERIFIER_nondet_int(); [L55] unsigned long l ; [L56] unsigned long Time ; [L57] unsigned long tmp = __VERIFIER_nondet_ulong(); [L58] int cb ; [L59] long num1 ; [L60] int ret ; [L61] int new_state ; [L62] int state ; [L63] int skip ; [L64] int got_new_session ; [L65] int tmp___1 = __VERIFIER_nondet_int(); [L66] int tmp___2 = __VERIFIER_nondet_int(); [L67] int tmp___3 ; [L68] int tmp___4 ; [L69] int tmp___5 ; [L70] int tmp___6 ; [L71] int tmp___7 ; [L72] long tmp___8 = __VERIFIER_nondet_long(); [L73] int tmp___9 ; [L74] int tmp___10 ; [L75] int blastFlag ; [L76] int ag_X = __VERIFIER_nondet_int(); [L77] int ag_Y = __VERIFIER_nondet_int(); [L78] int ag_Z = __VERIFIER_nondet_int(); [L79] int __retres70 ; [L81] CALL assume_abort_if_not(ag_Z!=0) [L11] COND FALSE !(!cond) [L81] RET assume_abort_if_not(ag_Z!=0) [L83] s__state = initial_state [L84] blastFlag = 0 [L85] Time = tmp [L86] cb = 0 [L87] ret = -1 [L88] skip = 0 [L89] got_new_session = 0 VAL [ag_X=0, ag_Y=0, ag_Z=-1, blastFlag=0, buf=0, cb=0, got_new_session=0, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=1, s__init_buf___0=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, tmp___1=0, tmp___2=0, tmp___8=0] [L90] COND TRUE s__info_callback != 0 [L91] cb = s__info_callback VAL [ag_X=0, ag_Y=0, ag_Z=-1, blastFlag=0, buf=0, cb=1, got_new_session=0, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__init_buf___0=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, tmp___1=0, tmp___2=0, tmp___8=0] [L99] s__in_handshake + 1 VAL [ag_X=0, ag_Y=0, ag_Z=-1, blastFlag=0, buf=0, cb=1, got_new_session=0, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__init_buf___0=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, tmp___1=0, tmp___2=0, tmp___8=0] - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 276]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 276]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 278]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 278]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 377]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 377]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 595]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 595]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 202 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 295 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 295 mSDsluCounter, 616 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 615 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-12 16:42:37,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)