./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c --full-output --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1d5fa637 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/certificate-witnesses-artifact/automizer --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d85bf43cff1a30e10d1e3bbf4675032df62c31f758d5324913387f5dfb870a68 --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 08:45:56,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 08:45:56,874 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-13 08:45:56,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 08:45:56,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 08:45:56,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 08:45:56,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 08:45:56,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 08:45:56,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 08:45:56,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 08:45:56,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 08:45:56,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 08:45:56,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 08:45:56,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 08:45:56,914 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 08:45:56,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 08:45:56,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 08:45:56,918 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 08:45:56,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 08:45:56,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 08:45:56,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 08:45:56,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 08:45:56,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 08:45:56,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 08:45:56,921 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 08:45:56,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 08:45:56,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 08:45:56,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 08:45:56,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 08:45:56,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 08:45:56,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 08:45:56,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 08:45:56,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 08:45:56,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 08:45:56,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 08:45:56,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 08:45:56,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 08:45:56,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 08:45:56,924 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 08:45:56,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 08:45:56,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 08:45:56,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 08:45:56,926 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/certificate-witnesses-artifact/automizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d85bf43cff1a30e10d1e3bbf4675032df62c31f758d5324913387f5dfb870a68 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 [2024-09-13 08:45:57,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 08:45:57,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 08:45:57,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 08:45:57,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 08:45:57,145 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 08:45:57,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-13 08:45:58,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 08:45:58,752 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 08:45:58,753 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-13 08:45:58,758 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/8a17718f3/6739383dbec249aaa6bdc6f2d76ab075/FLAG09e033771 [2024-09-13 08:45:58,770 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/8a17718f3/6739383dbec249aaa6bdc6f2d76ab075 [2024-09-13 08:45:58,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 08:45:58,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-13 08:45:58,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 08:45:58,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 08:45:58,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 08:45:58,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:58,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19148238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58, skipping insertion in model container [2024-09-13 08:45:58,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:58,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 08:45:58,916 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] [2024-09-13 08:45:58,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 08:45:58,927 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 08:45:58,942 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] [2024-09-13 08:45:58,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 08:45:58,961 INFO L204 MainTranslator]: Completed translation [2024-09-13 08:45:58,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58 WrapperNode [2024-09-13 08:45:58,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 08:45:58,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-13 08:45:58,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-13 08:45:58,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-13 08:45:58,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:58,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:58,981 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-13 08:45:58,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-13 08:45:58,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 08:45:58,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 08:45:58,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 08:45:58,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:58,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:58,992 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:59,002 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 08:45:59,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:59,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:59,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:59,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:59,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:59,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:59,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 08:45:59,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 08:45:59,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 08:45:59,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 08:45:59,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (1/1) ... [2024-09-13 08:45:59,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 08:45:59,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 08:45:59,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 08:45:59,040 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 08:45:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 08:45:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 08:45:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 08:45:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 08:45:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 08:45:59,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 08:45:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 08:45:59,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 08:45:59,121 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 08:45:59,123 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 08:45:59,209 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-13 08:45:59,209 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 08:45:59,223 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 08:45:59,223 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 08:45:59,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 08:45:59 BoogieIcfgContainer [2024-09-13 08:45:59,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 08:45:59,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-13 08:45:59,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-13 08:45:59,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-13 08:45:59,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.09 08:45:58" (1/3) ... [2024-09-13 08:45:59,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adcd7a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 08:45:59, skipping insertion in model container [2024-09-13 08:45:59,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 08:45:58" (2/3) ... [2024-09-13 08:45:59,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adcd7a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 08:45:59, skipping insertion in model container [2024-09-13 08:45:59,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 08:45:59" (3/3) ... [2024-09-13 08:45:59,230 INFO L112 eAbstractionObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.c [2024-09-13 08:45:59,243 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-13 08:45:59,244 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-13 08:45:59,294 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-13 08:45:59,299 INFO L336 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=All, 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;@3d0def5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-13 08:45:59,299 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-13 08:45:59,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.6) internal successors, (16), 11 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-13 08:45:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-13 08:45:59,308 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 08:45:59,309 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 08:45:59,309 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-13 08:45:59,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 08:45:59,314 INFO L85 PathProgramCache]: Analyzing trace with hash 2057132807, now seen corresponding path program 1 times [2024-09-13 08:45:59,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 08:45:59,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610781086] [2024-09-13 08:45:59,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 08:45:59,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 08:45:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 08:45:59,712 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-13 08:45:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 08:45:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 08:45:59,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 08:45:59,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610781086] [2024-09-13 08:45:59,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610781086] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-13 08:45:59,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-13 08:45:59,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-13 08:45:59,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53130476] [2024-09-13 08:45:59,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-13 08:45:59,728 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-13 08:45:59,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 08:45:59,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-13 08:45:59,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-13 08:45:59,751 INFO L87 Difference]: Start difference. First operand has 16 states, 10 states have (on average 1.6) internal successors, (16), 11 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-13 08:45:59,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 08:45:59,914 INFO L93 Difference]: Finished difference Result 27 states and 33 transitions. [2024-09-13 08:45:59,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-13 08:45:59,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-09-13 08:45:59,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 08:45:59,922 INFO L225 Difference]: With dead ends: 27 [2024-09-13 08:45:59,922 INFO L226 Difference]: Without dead ends: 13 [2024-09-13 08:45:59,924 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-09-13 08:45:59,926 INFO L434 NwaCegarLoop]: 5 mSDtfsCounter, 16 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-13 08:45:59,927 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 19 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-13 08:45:59,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-09-13 08:45:59,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-09-13 08:45:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-13 08:45:59,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-09-13 08:45:59,955 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2024-09-13 08:45:59,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 08:45:59,956 INFO L474 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-09-13 08:45:59,956 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-13 08:45:59,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 08:45:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-09-13 08:45:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-09-13 08:45:59,957 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 08:45:59,957 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 08:45:59,957 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-13 08:45:59,957 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-13 08:45:59,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 08:45:59,958 INFO L85 PathProgramCache]: Analyzing trace with hash -655331726, now seen corresponding path program 1 times [2024-09-13 08:45:59,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 08:45:59,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348176232] [2024-09-13 08:45:59,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 08:45:59,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 08:45:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 08:46:00,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-13 08:46:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 08:46:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 08:46:00,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 08:46:00,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348176232] [2024-09-13 08:46:00,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348176232] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 08:46:00,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130657437] [2024-09-13 08:46:00,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 08:46:00,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 08:46:00,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 08:46:00,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-13 08:46:00,191 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-13 08:46:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 08:46:00,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-13 08:46:00,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 08:46:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 08:46:00,323 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 08:46:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 08:46:00,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130657437] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 08:46:00,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-13 08:46:00,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-09-13 08:46:00,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674296363] [2024-09-13 08:46:00,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-13 08:46:00,431 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-13 08:46:00,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 08:46:00,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-13 08:46:00,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-09-13 08:46:00,432 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-13 08:46:00,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 08:46:00,541 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2024-09-13 08:46:00,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-13 08:46:00,541 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-09-13 08:46:00,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 08:46:00,542 INFO L225 Difference]: With dead ends: 15 [2024-09-13 08:46:00,542 INFO L226 Difference]: Without dead ends: 0 [2024-09-13 08:46:00,542 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-09-13 08:46:00,543 INFO L434 NwaCegarLoop]: 3 mSDtfsCounter, 10 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-13 08:46:00,544 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 22 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-13 08:46:00,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-13 08:46:00,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-13 08:46:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 08:46:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-13 08:46:00,545 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2024-09-13 08:46:00,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 08:46:00,545 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-13 08:46:00,545 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-13 08:46:00,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 08:46:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-13 08:46:00,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-13 08:46:00,548 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-13 08:46:00,564 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-13 08:46:00,749 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 08:46:00,753 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-13 08:46:00,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-09-13 08:46:00,833 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-13 08:46:00,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.09 08:46:00 BoogieIcfgContainer [2024-09-13 08:46:00,846 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-13 08:46:00,847 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-13 08:46:00,848 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-13 08:46:00,848 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-13 08:46:00,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 08:45:59" (3/4) ... [2024-09-13 08:46:00,851 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-13 08:46:00,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2024-09-13 08:46:00,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2024-09-13 08:46:00,857 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-09-13 08:46:00,857 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-09-13 08:46:00,857 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-09-13 08:46:00,857 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-09-13 08:46:00,881 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(__return_72) == __return_72) && ((main__j + main__x) == (main__i + main__y))) [2024-09-13 08:46:00,951 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.graphml [2024-09-13 08:46:00,952 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-09-13 08:46:00,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-13 08:46:00,952 INFO L158 Benchmark]: Toolchain (without parser) took 2179.47ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 94.5MB in the beginning and 192.7MB in the end (delta: -98.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 08:46:00,953 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 165.7MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 08:46:00,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.98ms. Allocated memory is still 165.7MB. Free memory was 94.3MB in the beginning and 82.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 08:46:00,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.54ms. Allocated memory is still 165.7MB. Free memory was 82.7MB in the beginning and 81.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 08:46:00,953 INFO L158 Benchmark]: Boogie Preprocessor took 25.30ms. Allocated memory is still 165.7MB. Free memory was 81.7MB in the beginning and 80.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 08:46:00,954 INFO L158 Benchmark]: RCFGBuilder took 215.85ms. Allocated memory is still 165.7MB. Free memory was 80.0MB in the beginning and 68.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 08:46:00,954 INFO L158 Benchmark]: TraceAbstraction took 1621.00ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 67.3MB in the beginning and 198.0MB in the end (delta: -130.7MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-09-13 08:46:00,954 INFO L158 Benchmark]: Witness Printer took 104.98ms. Allocated memory is still 228.6MB. Free memory was 198.0MB in the beginning and 192.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 08:46:00,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 165.7MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.98ms. Allocated memory is still 165.7MB. Free memory was 94.3MB in the beginning and 82.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.54ms. Allocated memory is still 165.7MB. Free memory was 82.7MB in the beginning and 81.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.30ms. Allocated memory is still 165.7MB. Free memory was 81.7MB in the beginning and 80.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 215.85ms. Allocated memory is still 165.7MB. Free memory was 80.0MB in the beginning and 68.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1621.00ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 67.3MB in the beginning and 198.0MB in the end (delta: -130.7MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Witness Printer took 104.98ms. Allocated memory is still 228.6MB. Free memory was 198.0MB in the beginning and 192.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 53]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 8 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 34]: Location Invariant Derived location invariant: ((\old(__return_72) == __return_72) && ((main__j + main__x) == (main__i + main__y))) RESULT: Ultimate proved your program to be correct! [2024-09-13 08:46:00,976 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE