./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-memory-alloca/min_rf-alloca.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 424cde395b70ff3d0446987dbcbb3aeecf97692a0011a6b2d4755a86aacf6e33 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:58:36,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:58:36,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 16:58:36,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:58:36,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:58:36,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:58:36,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:58:36,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:58:36,385 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:58:36,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:58:36,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:58:36,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:58:36,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:58:36,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:58:36,388 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:58:36,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:58:36,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 16:58:36,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 16:58:36,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:58:36,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 16:58:36,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:58:36,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 16:58:36,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:58:36,395 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 16:58:36,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:58:36,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 16:58:36,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:58:36,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:58:36,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:58:36,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:58:36,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:58:36,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:58:36,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:58:36,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:58:36,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 16:58:36,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 16:58:36,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 16:58:36,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:58:36,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:58:36,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:58:36,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:58:36,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 424cde395b70ff3d0446987dbcbb3aeecf97692a0011a6b2d4755a86aacf6e33 [2024-11-12 16:58:36,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:58:36,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:58:36,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:58:36,700 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:58:36,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:58:36,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2024-11-12 16:58:38,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:58:38,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:58:38,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2024-11-12 16:58:38,339 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33654275d/5ba5c5a606454ec1acc9648fd7e3a42a/FLAGeb175966a [2024-11-12 16:58:38,353 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33654275d/5ba5c5a606454ec1acc9648fd7e3a42a [2024-11-12 16:58:38,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:58:38,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:58:38,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:58:38,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:58:38,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:58:38,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ffff21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38, skipping insertion in model container [2024-11-12 16:58:38,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,403 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:58:38,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:58:38,691 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:58:38,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:58:38,767 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:58:38,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38 WrapperNode [2024-11-12 16:58:38,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:58:38,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:58:38,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:58:38,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:58:38,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,817 INFO L138 Inliner]: procedures = 110, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 93 [2024-11-12 16:58:38,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:58:38,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:58:38,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:58:38,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:58:38,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,834 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,847 INFO L175 MemorySlicer]: Split 26 memory accesses to 3 slices as follows [9, 9, 8]. 35 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 10 writes are split as follows [3, 3, 4]. [2024-11-12 16:58:38,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:58:38,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:58:38,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:58:38,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:58:38,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (1/1) ... [2024-11-12 16:58:38,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:58:38,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:58:38,899 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 16:58:38,905 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 16:58:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 16:58:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 16:58:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 16:58:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 16:58:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 16:58:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 16:58:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 16:58:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 16:58:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:58:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:58:39,113 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:58:39,147 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:58:39,396 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-12 16:58:39,396 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:58:39,407 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:58:39,407 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 16:58:39,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:58:39 BoogieIcfgContainer [2024-11-12 16:58:39,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:58:39,410 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:58:39,410 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:58:39,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:58:39,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:58:38" (1/3) ... [2024-11-12 16:58:39,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71118557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:58:39, skipping insertion in model container [2024-11-12 16:58:39,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:58:38" (2/3) ... [2024-11-12 16:58:39,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71118557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:58:39, skipping insertion in model container [2024-11-12 16:58:39,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:58:39" (3/3) ... [2024-11-12 16:58:39,415 INFO L112 eAbstractionObserver]: Analyzing ICFG min_rf-alloca.i [2024-11-12 16:58:39,428 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:58:39,429 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-12 16:58:39,478 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:58:39,483 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;@78ff0c7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:58:39,484 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-12 16:58:39,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 35 states have internal predecessors, (40), 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 16:58:39,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 16:58:39,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:58:39,491 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:58:39,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-12 16:58:39,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:58:39,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1215264209, now seen corresponding path program 1 times [2024-11-12 16:58:39,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:58:39,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080608378] [2024-11-12 16:58:39,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:58:39,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:58:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:58:40,096 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 16:58:40,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:58:40,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080608378] [2024-11-12 16:58:40,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080608378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:58:40,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:58:40,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 16:58:40,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879028444] [2024-11-12 16:58:40,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:58:40,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:58:40,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:58:40,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:58:40,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:58:40,123 INFO L87 Difference]: Start difference. First operand has 36 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 35 states have internal predecessors, (40), 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 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:58:40,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:58:40,251 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2024-11-12 16:58:40,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:58:40,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-12 16:58:40,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:58:40,262 INFO L225 Difference]: With dead ends: 40 [2024-11-12 16:58:40,263 INFO L226 Difference]: Without dead ends: 31 [2024-11-12 16:58:40,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:58:40,268 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 35 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:58:40,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 79 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:58:40,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-12 16:58:40,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-12 16:58:40,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.7) internal successors, (34), 30 states have internal predecessors, (34), 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 16:58:40,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2024-11-12 16:58:40,292 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 9 [2024-11-12 16:58:40,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:58:40,292 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2024-11-12 16:58:40,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:58:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2024-11-12 16:58:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 16:58:40,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:58:40,293 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:58:40,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 16:58:40,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-12 16:58:40,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:58:40,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1215263761, now seen corresponding path program 1 times [2024-11-12 16:58:40,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:58:40,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085770254] [2024-11-12 16:58:40,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:58:40,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:58:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:58:40,627 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 16:58:40,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:58:40,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085770254] [2024-11-12 16:58:40,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085770254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:58:40,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:58:40,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 16:58:40,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142724261] [2024-11-12 16:58:40,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:58:40,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:58:40,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:58:40,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:58:40,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:58:40,634 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:58:40,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:58:40,746 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2024-11-12 16:58:40,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:58:40,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-12 16:58:40,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:58:40,748 INFO L225 Difference]: With dead ends: 32 [2024-11-12 16:58:40,748 INFO L226 Difference]: Without dead ends: 31 [2024-11-12 16:58:40,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:58:40,750 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 30 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:58:40,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 74 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:58:40,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-12 16:58:40,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2024-11-12 16:58:40,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.65) internal successors, (33), 29 states have internal predecessors, (33), 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 16:58:40,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2024-11-12 16:58:40,758 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 9 [2024-11-12 16:58:40,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:58:40,758 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2024-11-12 16:58:40,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:58:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-11-12 16:58:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-12 16:58:40,760 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:58:40,760 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:58:40,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 16:58:40,761 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-12 16:58:40,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:58:40,761 INFO L85 PathProgramCache]: Analyzing trace with hash -981515109, now seen corresponding path program 1 times [2024-11-12 16:58:40,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:58:40,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986860482] [2024-11-12 16:58:40,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:58:40,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:58:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 16:58:40,788 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 16:58:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 16:58:40,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 16:58:40,829 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 16:58:40,831 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-12 16:58:40,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-12 16:58:40,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-12 16:58:40,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-12 16:58:40,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-12 16:58:40,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-12 16:58:40,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-12 16:58:40,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-12 16:58:40,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-12 16:58:40,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-12 16:58:40,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-12 16:58:40,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-12 16:58:40,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 16:58:40,840 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-12 16:58:40,865 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 16:58:40,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:58:40 BoogieIcfgContainer [2024-11-12 16:58:40,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 16:58:40,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 16:58:40,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 16:58:40,870 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 16:58:40,871 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:58:39" (3/4) ... [2024-11-12 16:58:40,872 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-12 16:58:40,901 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 16:58:40,902 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 16:58:40,903 INFO L158 Benchmark]: Toolchain (without parser) took 2546.88ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 106.5MB in the beginning and 120.8MB in the end (delta: -14.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-12 16:58:40,903 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:58:40,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.23ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 88.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-12 16:58:40,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.81ms. Allocated memory is still 159.4MB. Free memory was 88.2MB in the beginning and 128.5MB in the end (delta: -40.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-12 16:58:40,904 INFO L158 Benchmark]: Boogie Preprocessor took 40.99ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 125.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:58:40,905 INFO L158 Benchmark]: RCFGBuilder took 548.20ms. Allocated memory is still 159.4MB. Free memory was 125.7MB in the beginning and 119.3MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 16:58:40,905 INFO L158 Benchmark]: TraceAbstraction took 1459.89ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 118.3MB in the beginning and 121.9MB in the end (delta: -3.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-12 16:58:40,905 INFO L158 Benchmark]: Witness Printer took 32.43ms. Allocated memory is still 192.9MB. Free memory was 121.9MB in the beginning and 120.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:58:40,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.23ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 88.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.81ms. Allocated memory is still 159.4MB. Free memory was 88.2MB in the beginning and 128.5MB in the end (delta: -40.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.99ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 125.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.20ms. Allocated memory is still 159.4MB. Free memory was 125.7MB in the beginning and 119.3MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1459.89ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 118.3MB in the beginning and 121.9MB in the end (delta: -3.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Witness Printer took 32.43ms. Allocated memory is still 192.9MB. Free memory was 121.9MB in the beginning and 120.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 557]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] int* y = __builtin_alloca (sizeof(int)); [L550] int* z = __builtin_alloca (sizeof(int)); [L551] *x = __VERIFIER_nondet_int() [L552] *y = __VERIFIER_nondet_int() [L553] EXPR \read(*y) [L553] *y > 0 && *x > 0 VAL [x={3:0}, y={5:0}, z={2:0}] [L553] *y > 0 && *x > 0 [L553] EXPR \read(*x) [L553] *y > 0 && *x > 0 VAL [x={3:0}, y={5:0}, z={2:0}] [L553] COND TRUE *y > 0 && *x > 0 [L554] EXPR \read(*x) [L554] EXPR \read(*y) [L554] COND TRUE *x > *y [L554] EXPR \read(*y) [L554] *z = *y [L556] COND FALSE !(__VERIFIER_nondet_int()) [L557] EXPR \read(*y) [L557] EXPR \read(*x) [L557] *y + *x VAL [x={3:0}, y={5:0}, z={2:0}] - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 557]: 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, 36 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 45 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 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 16:58:40,935 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)