./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c --full-output --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 a9b967e5 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-invgen/id_build.i.p+sep-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 f68564f44f9631930b25a13255f1efcd8f237d0da80cb5fdaa485133dbd9dd9f --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-a9b967e-m [2024-09-11 19:22:34,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 19:22:34,780 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-11 19:22:34,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 19:22:34,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 19:22:34,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 19:22:34,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 19:22:34,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 19:22:34,819 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 19:22:34,822 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 19:22:34,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 19:22:34,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 19:22:34,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 19:22:34,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 19:22:34,824 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 19:22:34,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 19:22:34,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 19:22:34,825 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 19:22:34,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 19:22:34,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 19:22:34,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 19:22:34,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 19:22:34,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 19:22:34,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 19:22:34,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 19:22:34,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 19:22:34,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 19:22:34,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 19:22:34,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 19:22:34,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 19:22:34,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 19:22:34,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 19:22:34,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 19:22:34,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 19:22:34,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 19:22:34,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 19:22:34,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 19:22:34,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 19:22:34,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 19:22:34,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 19:22:34,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 19:22:34,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 19:22:34,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f68564f44f9631930b25a13255f1efcd8f237d0da80cb5fdaa485133dbd9dd9f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 [2024-09-11 19:22:35,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 19:22:35,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 19:22:35,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 19:22:35,127 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 19:22:35,128 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 19:22:35,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-11 19:22:36,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 19:22:36,795 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 19:22:36,796 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-11 19:22:36,820 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/d561a6fe6/e2c9aafb1e554496820da76eb6f11574/FLAGf5db19e40 [2024-09-11 19:22:37,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/d561a6fe6/e2c9aafb1e554496820da76eb6f11574 [2024-09-11 19:22:37,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 19:22:37,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-11 19:22:37,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 19:22:37,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 19:22:37,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 19:22:37,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:37,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69fa8007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37, skipping insertion in model container [2024-09-11 19:22:37,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:37,180 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 19:22:37,597 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-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-09-11 19:22:37,636 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-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2024-09-11 19:22:37,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 19:22:37,678 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 19:22:37,825 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-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-09-11 19:22:37,859 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-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2024-09-11 19:22:37,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 19:22:37,891 INFO L204 MainTranslator]: Completed translation [2024-09-11 19:22:37,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37 WrapperNode [2024-09-11 19:22:37,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 19:22:37,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-11 19:22:37,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-11 19:22:37,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-11 19:22:37,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:37,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:37,980 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1589 [2024-09-11 19:22:37,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-11 19:22:37,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 19:22:37,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 19:22:37,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 19:22:37,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:37,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:38,002 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:38,029 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]. [2024-09-11 19:22:38,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:38,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:38,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:38,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:38,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:38,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:38,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 19:22:38,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 19:22:38,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 19:22:38,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 19:22:38,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (1/1) ... [2024-09-11 19:22:38,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 19:22:38,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-11 19:22:38,134 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) [2024-09-11 19:22:38,136 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 [2024-09-11 19:22:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 19:22:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 19:22:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 19:22:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 19:22:38,369 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 19:22:38,371 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 19:22:39,274 INFO L? ?]: Removed 550 outVars from TransFormulas that were not future-live. [2024-09-11 19:22:39,274 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 19:22:39,302 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 19:22:39,303 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 19:22:39,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:22:39 BoogieIcfgContainer [2024-09-11 19:22:39,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 19:22:39,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-11 19:22:39,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-11 19:22:39,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-11 19:22:39,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 07:22:37" (1/3) ... [2024-09-11 19:22:39,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fddc559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:22:39, skipping insertion in model container [2024-09-11 19:22:39,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:22:37" (2/3) ... [2024-09-11 19:22:39,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fddc559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:22:39, skipping insertion in model container [2024-09-11 19:22:39,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:22:39" (3/3) ... [2024-09-11 19:22:39,313 INFO L112 eAbstractionObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-09-11 19:22:39,328 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-11 19:22:39,329 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-11 19:22:39,406 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-11 19:22:39,412 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;@306a4b78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-11 19:22:39,412 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-11 19:22:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 242 states have (on average 1.9834710743801653) internal successors, (480), 244 states have internal predecessors, (480), 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) [2024-09-11 19:22:39,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-09-11 19:22:39,429 INFO L208 NwaCegarLoop]: Found error trace [2024-09-11 19:22:39,430 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-11 19:22:39,430 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-11 19:22:39,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-11 19:22:39,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1838429741, now seen corresponding path program 1 times [2024-09-11 19:22:39,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-11 19:22:39,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928548076] [2024-09-11 19:22:39,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-11 19:22:39,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-11 19:22:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-11 19:22:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-11 19:22:40,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-11 19:22:40,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928548076] [2024-09-11 19:22:40,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928548076] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-11 19:22:40,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-11 19:22:40,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-11 19:22:40,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64981777] [2024-09-11 19:22:40,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-11 19:22:40,179 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-11 19:22:40,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-11 19:22:40,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-11 19:22:40,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-11 19:22:40,206 INFO L87 Difference]: Start difference. First operand has 245 states, 242 states have (on average 1.9834710743801653) internal successors, (480), 244 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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) [2024-09-11 19:22:40,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-11 19:22:40,804 INFO L93 Difference]: Finished difference Result 248 states and 482 transitions. [2024-09-11 19:22:40,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-11 19:22:40,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2024-09-11 19:22:40,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-11 19:22:40,822 INFO L225 Difference]: With dead ends: 248 [2024-09-11 19:22:40,822 INFO L226 Difference]: Without dead ends: 241 [2024-09-11 19:22:40,824 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-11 19:22:40,829 INFO L434 NwaCegarLoop]: 269 mSDtfsCounter, 382 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-11 19:22:40,830 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 807 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-11 19:22:40,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-09-11 19:22:40,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-09-11 19:22:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 1.1583333333333334) internal successors, (278), 240 states have internal predecessors, (278), 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) [2024-09-11 19:22:40,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 278 transitions. [2024-09-11 19:22:40,904 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 278 transitions. Word has length 133 [2024-09-11 19:22:40,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-11 19:22:40,905 INFO L474 AbstractCegarLoop]: Abstraction has 241 states and 278 transitions. [2024-09-11 19:22:40,905 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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) [2024-09-11 19:22:40,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-11 19:22:40,906 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 278 transitions. [2024-09-11 19:22:40,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-09-11 19:22:40,908 INFO L208 NwaCegarLoop]: Found error trace [2024-09-11 19:22:40,908 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-11 19:22:40,909 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-11 19:22:40,909 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-11 19:22:40,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-11 19:22:40,909 INFO L85 PathProgramCache]: Analyzing trace with hash 350594605, now seen corresponding path program 1 times [2024-09-11 19:22:40,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-11 19:22:40,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280064169] [2024-09-11 19:22:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-11 19:22:40,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-11 19:22:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-11 19:22:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-11 19:22:41,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-11 19:22:41,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280064169] [2024-09-11 19:22:41,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280064169] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-11 19:22:41,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-11 19:22:41,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-11 19:22:41,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033743934] [2024-09-11 19:22:41,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-11 19:22:41,195 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-11 19:22:41,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-11 19:22:41,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-11 19:22:41,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-11 19:22:41,198 INFO L87 Difference]: Start difference. First operand 241 states and 278 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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) [2024-09-11 19:22:41,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-11 19:22:41,675 INFO L93 Difference]: Finished difference Result 241 states and 278 transitions. [2024-09-11 19:22:41,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-11 19:22:41,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2024-09-11 19:22:41,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-11 19:22:41,677 INFO L225 Difference]: With dead ends: 241 [2024-09-11 19:22:41,677 INFO L226 Difference]: Without dead ends: 0 [2024-09-11 19:22:41,678 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-11 19:22:41,679 INFO L434 NwaCegarLoop]: 84 mSDtfsCounter, 208 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-11 19:22:41,680 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 246 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-11 19:22:41,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-11 19:22:41,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-11 19:22:41,683 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) [2024-09-11 19:22:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-11 19:22:41,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2024-09-11 19:22:41,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-11 19:22:41,684 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-11 19:22:41,684 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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) [2024-09-11 19:22:41,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-11 19:22:41,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-11 19:22:41,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-11 19:22:41,687 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-09-11 19:22:41,688 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-09-11 19:22:41,688 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-11 19:22:41,694 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-11 19:22:41,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-09-11 19:22:42,559 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-11 19:22:42,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 07:22:42 BoogieIcfgContainer [2024-09-11 19:22:42,583 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-11 19:22:42,583 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-11 19:22:42,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-11 19:22:42,584 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-11 19:22:42,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:22:39" (3/4) ... [2024-09-11 19:22:42,588 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-11 19:22:42,611 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-09-11 19:22:42,613 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-09-11 19:22:42,614 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-09-11 19:22:42,616 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-09-11 19:22:42,808 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.graphml [2024-09-11 19:22:42,809 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-09-11 19:22:42,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-11 19:22:42,810 INFO L158 Benchmark]: Toolchain (without parser) took 5703.75ms. Allocated memory was 157.3MB in the beginning and 224.4MB in the end (delta: 67.1MB). Free memory was 99.6MB in the beginning and 95.8MB in the end (delta: 3.9MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2024-09-11 19:22:42,810 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 157.3MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 19:22:42,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 786.03ms. Allocated memory is still 157.3MB. Free memory was 99.0MB in the beginning and 59.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-11 19:22:42,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.25ms. Allocated memory is still 157.3MB. Free memory was 59.2MB in the beginning and 52.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 19:22:42,811 INFO L158 Benchmark]: Boogie Preprocessor took 90.18ms. Allocated memory is still 157.3MB. Free memory was 52.9MB in the beginning and 45.1MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 19:22:42,811 INFO L158 Benchmark]: RCFGBuilder took 1231.29ms. Allocated memory was 157.3MB in the beginning and 224.4MB in the end (delta: 67.1MB). Free memory was 45.1MB in the beginning and 88.5MB in the end (delta: -43.4MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2024-09-11 19:22:42,811 INFO L158 Benchmark]: TraceAbstraction took 3277.94ms. Allocated memory is still 224.4MB. Free memory was 87.5MB in the beginning and 116.7MB in the end (delta: -29.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 19:22:42,812 INFO L158 Benchmark]: Witness Printer took 225.56ms. Allocated memory is still 224.4MB. Free memory was 116.7MB in the beginning and 95.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 19:22:42,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 157.3MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 786.03ms. Allocated memory is still 157.3MB. Free memory was 99.0MB in the beginning and 59.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.25ms. Allocated memory is still 157.3MB. Free memory was 59.2MB in the beginning and 52.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.18ms. Allocated memory is still 157.3MB. Free memory was 52.9MB in the beginning and 45.1MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1231.29ms. Allocated memory was 157.3MB in the beginning and 224.4MB in the end (delta: 67.1MB). Free memory was 45.1MB in the beginning and 88.5MB in the end (delta: -43.4MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3277.94ms. Allocated memory is still 224.4MB. Free memory was 87.5MB in the beginning and 116.7MB in the end (delta: -29.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 225.56ms. Allocated memory is still 224.4MB. Free memory was 116.7MB in the beginning and 95.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. 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: 2003]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 2312]: 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 1 procedures, 245 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 590 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 590 mSDsluCounter, 1053 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 700 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1245 IncrementalHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 353 mSDtfsCounter, 1245 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 591 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1464]: Location Invariant Derived location invariant: ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) - InvariantResult [Line: 945]: Location Invariant Derived location invariant: ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) - InvariantResult [Line: 13]: Location Invariant Derived location invariant: 1 - InvariantResult [Line: 2303]: Location Invariant Derived location invariant: ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) - InvariantResult [Line: 2098]: Location Invariant Derived location invariant: (0 < ((long long) main__i + 1)) - InvariantResult [Line: 426]: Location Invariant Derived location invariant: ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) - InvariantResult [Line: 541]: Location Invariant Derived location invariant: (0 < ((long long) main__i + 1)) - InvariantResult [Line: 1782]: Location Invariant Derived location invariant: ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) - InvariantResult [Line: 1060]: Location Invariant Derived location invariant: (0 < ((long long) main__i + 1)) - InvariantResult [Line: 1579]: Location Invariant Derived location invariant: (0 < ((long long) main__i + 1)) - InvariantResult [Line: 1782]: Location Invariant Derived location invariant: ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) RESULT: Ultimate proved your program to be correct! [2024-09-11 19:22:42,845 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