./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-regression/test22-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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/ldv-regression/test22-2.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 0ac3f9dde39c1c30daf84e7d2d3f68c4363e658cdbd9aae18974f8ff3d9b4fc7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:17:30,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:17:30,695 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:17:30,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:17:30,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:17:30,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:17:30,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:17:30,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:17:30,727 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:17:30,727 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:17:30,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:17:30,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:17:30,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:17:30,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:17:30,733 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:17:30,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:17:30,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:17:30,733 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:17:30,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:17:30,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:17:30,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:17:30,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:17:30,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:17:30,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:17:30,735 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:17:30,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:17:30,737 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:17:30,737 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:17:30,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:17:30,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:17:30,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:17:30,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:17:30,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:17:30,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:17:30,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:17:30,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:17:30,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:17:30,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:17:30,738 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:17:30,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:17:30,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:17:30,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:17:30,742 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:17:30,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:17:30,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac3f9dde39c1c30daf84e7d2d3f68c4363e658cdbd9aae18974f8ff3d9b4fc7 [2024-11-19 10:17:30,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:17:30,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:17:30,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:17:30,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:17:30,957 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:17:30,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test22-2.c [2024-11-19 10:17:32,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:17:32,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:17:32,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-2.c [2024-11-19 10:17:32,642 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d3fdfec8/949fe657fbde486caf9220e142f790aa/FLAG95bf225b1 [2024-11-19 10:17:32,655 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d3fdfec8/949fe657fbde486caf9220e142f790aa [2024-11-19 10:17:32,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:17:32,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:17:32,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:17:32,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:17:32,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:17:32,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:32,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139b35f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32, skipping insertion in model container [2024-11-19 10:17:32,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:32,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:17:32,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:17:32,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:17:32,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:17:32,964 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:17:32,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32 WrapperNode [2024-11-19 10:17:32,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:17:32,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:17:32,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:17:32,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:17:32,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:32,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:32,993 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 96 [2024-11-19 10:17:32,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:17:32,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:17:32,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:17:32,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:17:33,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:33,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:33,008 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:33,029 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 4 writes are split as follows [0, 4]. [2024-11-19 10:17:33,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:33,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:33,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:33,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:33,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:33,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:33,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:17:33,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:17:33,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:17:33,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:17:33,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (1/1) ... [2024-11-19 10:17:33,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:17:33,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:17:33,073 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) [2024-11-19 10:17:33,075 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 [2024-11-19 10:17:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:17:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:17:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:17:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 10:17:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 10:17:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2024-11-19 10:17:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2024-11-19 10:17:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:17:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:17:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 10:17:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 10:17:33,175 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:17:33,176 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:17:33,294 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-19 10:17:33,294 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:17:33,303 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:17:33,303 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:17:33,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:17:33 BoogieIcfgContainer [2024-11-19 10:17:33,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:17:33,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:17:33,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:17:33,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:17:33,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:17:32" (1/3) ... [2024-11-19 10:17:33,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596fc3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:17:33, skipping insertion in model container [2024-11-19 10:17:33,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:17:32" (2/3) ... [2024-11-19 10:17:33,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596fc3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:17:33, skipping insertion in model container [2024-11-19 10:17:33,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:17:33" (3/3) ... [2024-11-19 10:17:33,309 INFO L112 eAbstractionObserver]: Analyzing ICFG test22-2.c [2024-11-19 10:17:33,322 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:17:33,322 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 10:17:33,370 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:17:33,375 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;@47a50c39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:17:33,375 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 10:17:33,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 24 states have (on average 1.375) internal successors, (33), 28 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:17:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:17:33,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:17:33,385 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:17:33,386 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:17:33,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:17:33,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1920858197, now seen corresponding path program 1 times [2024-11-19 10:17:33,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:17:33,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520971666] [2024-11-19 10:17:33,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:17:33,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:17:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:17:33,581 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:17:33,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:17:33,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520971666] [2024-11-19 10:17:33,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520971666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:17:33,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:17:33,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:17:33,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038695270] [2024-11-19 10:17:33,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:17:33,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:17:33,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:17:33,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:17:33,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:17:33,605 INFO L87 Difference]: Start difference. First operand has 33 states, 24 states have (on average 1.375) internal successors, (33), 28 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:17:33,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:17:33,626 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2024-11-19 10:17:33,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:17:33,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2024-11-19 10:17:33,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:17:33,636 INFO L225 Difference]: With dead ends: 52 [2024-11-19 10:17:33,637 INFO L226 Difference]: Without dead ends: 24 [2024-11-19 10:17:33,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:17:33,643 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:17:33,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:17:33,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-19 10:17:33,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-19 10:17:33,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:17:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-11-19 10:17:33,668 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 21 [2024-11-19 10:17:33,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:17:33,669 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-11-19 10:17:33,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:17:33,670 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-11-19 10:17:33,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:17:33,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:17:33,671 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:17:33,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:17:33,671 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:17:33,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:17:33,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1920860119, now seen corresponding path program 1 times [2024-11-19 10:17:33,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:17:33,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989704054] [2024-11-19 10:17:33,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:17:33,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:17:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 10:17:33,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 10:17:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 10:17:33,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 10:17:33,763 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 10:17:33,764 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-19 10:17:33,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-19 10:17:33,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-19 10:17:33,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-19 10:17:33,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:17:33,768 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 10:17:33,790 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:17:33,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:17:33 BoogieIcfgContainer [2024-11-19 10:17:33,793 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:17:33,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:17:33,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:17:33,794 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:17:33,794 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:17:33" (3/4) ... [2024-11-19 10:17:33,795 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-19 10:17:33,825 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:17:33,825 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:17:33,825 INFO L158 Benchmark]: Toolchain (without parser) took 1167.38ms. Allocated memory is still 155.2MB. Free memory was 85.8MB in the beginning and 59.7MB in the end (delta: 26.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-19 10:17:33,826 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:17:33,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.01ms. Allocated memory is still 155.2MB. Free memory was 85.7MB in the beginning and 117.3MB in the end (delta: -31.6MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-11-19 10:17:33,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.56ms. Allocated memory is still 155.2MB. Free memory was 117.3MB in the beginning and 115.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:17:33,827 INFO L158 Benchmark]: Boogie Preprocessor took 47.28ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:17:33,827 INFO L158 Benchmark]: RCFGBuilder took 260.98ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 99.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 10:17:33,827 INFO L158 Benchmark]: TraceAbstraction took 488.37ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 61.8MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-19 10:17:33,827 INFO L158 Benchmark]: Witness Printer took 31.52ms. Allocated memory is still 155.2MB. Free memory was 61.8MB in the beginning and 59.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:17:33,829 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.01ms. Allocated memory is still 155.2MB. Free memory was 85.7MB in the beginning and 117.3MB in the end (delta: -31.6MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.56ms. Allocated memory is still 155.2MB. Free memory was 117.3MB in the beginning and 115.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.28ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 260.98ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 99.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 488.37ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 61.8MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 31.52ms. Allocated memory is still 155.2MB. Free memory was 61.8MB in the beginning and 59.7MB in the end (delta: 2.1MB). 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: 39]: integer overflow possible integer overflow possible We found a FailurePath: [L11] struct dummy d1, d2; [L11] struct dummy d1, d2; [L11] struct dummy d1, d2; [L11] struct dummy d1, d2; [L11] struct dummy d1, d2; [L11] struct dummy d1, d2; VAL [d1={4:0}, d2={5:0}] [L34] CALL init() [L15] d1.a = __VERIFIER_nondet_int() [L16] d1.b = __VERIFIER_nondet_int() [L18] d2.a = __VERIFIER_nondet_int() [L19] d2.b = __VERIFIER_nondet_int() [L34] RET init() [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, pd1={5:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, pd1={5:0}, pd2={5:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L36] int i = __VERIFIER_nondet_int(); [L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 VAL [d1={4:0}, d2={5:0}, pd1={5:0}, pd2={5:0}, pd3={4:0}] [L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L37] EXPR (*pd2).a [L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 VAL [d1={4:0}, d2={5:0}, pd1={5:0}, pd2={5:0}, pd3={4:0}] [L37] COND TRUE pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L38] int *pa = &pd1->a; [L39] EXPR pd3->a VAL [d1={4:0}, d2={5:0}] [L39] pd3->a - 10 VAL [d1={4:0}, d2={5:0}, pa={5:0}, pd2={5:0}] - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: 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 2 procedures, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 35 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 9/9 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! [2024-11-19 10:17:33,851 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)