./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem01_label19.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e9fc1c4ac9b5c9b782fe33ece5b0fcbdb6337af474d3fecce508816632ae710b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 09:37:02,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 09:37:02,437 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 09:37:02,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 09:37:02,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 09:37:02,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 09:37:02,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 09:37:02,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 09:37:02,470 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 09:37:02,470 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 09:37:02,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 09:37:02,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 09:37:02,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 09:37:02,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 09:37:02,473 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 09:37:02,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 09:37:02,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 09:37:02,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 09:37:02,477 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 09:37:02,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 09:37:02,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 09:37:02,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 09:37:02,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 09:37:02,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 09:37:02,478 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 09:37:02,478 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 09:37:02,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 09:37:02,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 09:37:02,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 09:37:02,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 09:37:02,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 09:37:02,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 09:37:02,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 09:37:02,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 09:37:02,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 09:37:02,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 09:37:02,480 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 09:37:02,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 09:37:02,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 09:37:02,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 09:37:02,481 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 09:37:02,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 09:37:02,482 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9fc1c4ac9b5c9b782fe33ece5b0fcbdb6337af474d3fecce508816632ae710b [2024-11-18 09:37:02,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 09:37:02,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 09:37:02,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 09:37:02,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 09:37:02,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 09:37:02,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label19.c [2024-11-18 09:37:04,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 09:37:04,401 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 09:37:04,402 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label19.c [2024-11-18 09:37:04,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e28b78700/f7104254148a4304aac22b76851ad4cc/FLAG403ce64ff [2024-11-18 09:37:04,428 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e28b78700/f7104254148a4304aac22b76851ad4cc [2024-11-18 09:37:04,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 09:37:04,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 09:37:04,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 09:37:04,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 09:37:04,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 09:37:04,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:04,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d01661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04, skipping insertion in model container [2024-11-18 09:37:04,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:04,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 09:37:04,759 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label19.c[16251,16264] [2024-11-18 09:37:04,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 09:37:04,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 09:37:04,875 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label19.c[16251,16264] [2024-11-18 09:37:04,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 09:37:04,915 INFO L204 MainTranslator]: Completed translation [2024-11-18 09:37:04,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04 WrapperNode [2024-11-18 09:37:04,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 09:37:04,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 09:37:04,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 09:37:04,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 09:37:04,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:04,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:04,991 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 658 [2024-11-18 09:37:04,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 09:37:04,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 09:37:04,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 09:37:04,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 09:37:05,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:05,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:05,005 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:05,030 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 09:37:05,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:05,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:05,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:05,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:05,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:05,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:05,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 09:37:05,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 09:37:05,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 09:37:05,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 09:37:05,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (1/1) ... [2024-11-18 09:37:05,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 09:37:05,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:37:05,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 09:37:05,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 09:37:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 09:37:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 09:37:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 09:37:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 09:37:05,214 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 09:37:05,216 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 09:37:06,002 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-18 09:37:06,002 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 09:37:06,028 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 09:37:06,028 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 09:37:06,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:37:06 BoogieIcfgContainer [2024-11-18 09:37:06,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 09:37:06,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 09:37:06,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 09:37:06,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 09:37:06,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:37:04" (1/3) ... [2024-11-18 09:37:06,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d58648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:37:06, skipping insertion in model container [2024-11-18 09:37:06,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:04" (2/3) ... [2024-11-18 09:37:06,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d58648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:37:06, skipping insertion in model container [2024-11-18 09:37:06,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:37:06" (3/3) ... [2024-11-18 09:37:06,071 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label19.c [2024-11-18 09:37:06,096 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 09:37:06,097 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 09:37:06,182 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 09:37:06,188 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33687475, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 09:37:06,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 09:37:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-18 09:37:06,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:37:06,214 INFO L215 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] [2024-11-18 09:37:06,215 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:37:06,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:37:06,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1118209127, now seen corresponding path program 1 times [2024-11-18 09:37:06,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:37:06,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210881574] [2024-11-18 09:37:06,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:37:06,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:37:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:37:06,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:37:06,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:37:06,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210881574] [2024-11-18 09:37:06,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210881574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:37:06,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:37:06,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 09:37:06,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049367241] [2024-11-18 09:37:06,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:37:06,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:37:06,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:37:06,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:37:06,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:37:06,825 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:07,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:37:07,366 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2024-11-18 09:37:07,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:37:07,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 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 86 [2024-11-18 09:37:07,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:37:07,380 INFO L225 Difference]: With dead ends: 528 [2024-11-18 09:37:07,380 INFO L226 Difference]: Without dead ends: 266 [2024-11-18 09:37:07,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:37:07,389 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 86 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 09:37:07,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 84 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 09:37:07,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-18 09:37:07,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2024-11-18 09:37:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4339622641509433) internal successors, (380), 265 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2024-11-18 09:37:07,435 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 86 [2024-11-18 09:37:07,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:37:07,435 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2024-11-18 09:37:07,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2024-11-18 09:37:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-18 09:37:07,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:37:07,438 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2024-11-18 09:37:07,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 09:37:07,439 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:37:07,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:37:07,439 INFO L85 PathProgramCache]: Analyzing trace with hash 209740218, now seen corresponding path program 1 times [2024-11-18 09:37:07,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:37:07,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541332559] [2024-11-18 09:37:07,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:37:07,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:37:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:37:07,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:37:07,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:37:07,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541332559] [2024-11-18 09:37:07,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541332559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:37:07,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:37:07,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 09:37:07,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137995068] [2024-11-18 09:37:07,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:37:07,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:37:07,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:37:07,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:37:07,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:37:07,529 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:07,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:37:07,853 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2024-11-18 09:37:07,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:37:07,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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 92 [2024-11-18 09:37:07,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:37:07,856 INFO L225 Difference]: With dead ends: 792 [2024-11-18 09:37:07,857 INFO L226 Difference]: Without dead ends: 528 [2024-11-18 09:37:07,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:37:07,858 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 140 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 09:37:07,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 38 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 09:37:07,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-18 09:37:07,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2024-11-18 09:37:07,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3434535104364327) internal successors, (708), 527 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 708 transitions. [2024-11-18 09:37:07,875 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 708 transitions. Word has length 92 [2024-11-18 09:37:07,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:37:07,875 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 708 transitions. [2024-11-18 09:37:07,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:07,876 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 708 transitions. [2024-11-18 09:37:07,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-18 09:37:07,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:37:07,878 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-18 09:37:07,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 09:37:07,879 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:37:07,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:37:07,879 INFO L85 PathProgramCache]: Analyzing trace with hash -737472171, now seen corresponding path program 1 times [2024-11-18 09:37:07,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:37:07,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42021718] [2024-11-18 09:37:07,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:37:07,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:37:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:37:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-18 09:37:07,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:37:07,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42021718] [2024-11-18 09:37:07,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42021718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:37:07,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:37:07,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 09:37:07,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906555334] [2024-11-18 09:37:07,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:37:07,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:37:07,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:37:07,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:37:07,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:37:07,981 INFO L87 Difference]: Start difference. First operand 528 states and 708 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:08,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:37:08,300 INFO L93 Difference]: Finished difference Result 1316 states and 1785 transitions. [2024-11-18 09:37:08,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:37:08,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 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 120 [2024-11-18 09:37:08,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:37:08,303 INFO L225 Difference]: With dead ends: 1316 [2024-11-18 09:37:08,303 INFO L226 Difference]: Without dead ends: 790 [2024-11-18 09:37:08,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:37:08,305 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 147 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 09:37:08,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 30 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 09:37:08,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-18 09:37:08,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2024-11-18 09:37:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.3495440729483283) internal successors, (888), 658 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 888 transitions. [2024-11-18 09:37:08,322 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 888 transitions. Word has length 120 [2024-11-18 09:37:08,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:37:08,322 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 888 transitions. [2024-11-18 09:37:08,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:08,322 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 888 transitions. [2024-11-18 09:37:08,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 09:37:08,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:37:08,324 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-18 09:37:08,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 09:37:08,324 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:37:08,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:37:08,325 INFO L85 PathProgramCache]: Analyzing trace with hash 83718815, now seen corresponding path program 1 times [2024-11-18 09:37:08,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:37:08,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606842932] [2024-11-18 09:37:08,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:37:08,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:37:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:37:08,546 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-18 09:37:08,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:37:08,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606842932] [2024-11-18 09:37:08,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606842932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:37:08,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:37:08,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 09:37:08,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796130282] [2024-11-18 09:37:08,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:37:08,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:37:08,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:37:08,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:37:08,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:37:08,549 INFO L87 Difference]: Start difference. First operand 659 states and 888 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:08,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:37:08,871 INFO L93 Difference]: Finished difference Result 1578 states and 2108 transitions. [2024-11-18 09:37:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:37:08,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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 124 [2024-11-18 09:37:08,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:37:08,874 INFO L225 Difference]: With dead ends: 1578 [2024-11-18 09:37:08,874 INFO L226 Difference]: Without dead ends: 921 [2024-11-18 09:37:08,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:37:08,876 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 137 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 09:37:08,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 54 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 09:37:08,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-11-18 09:37:08,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2024-11-18 09:37:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.2891304347826087) internal successors, (1186), 920 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1186 transitions. [2024-11-18 09:37:08,893 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1186 transitions. Word has length 124 [2024-11-18 09:37:08,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:37:08,894 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1186 transitions. [2024-11-18 09:37:08,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1186 transitions. [2024-11-18 09:37:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-18 09:37:08,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:37:08,897 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-18 09:37:08,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 09:37:08,897 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:37:08,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:37:08,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1428808267, now seen corresponding path program 1 times [2024-11-18 09:37:08,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:37:08,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212960964] [2024-11-18 09:37:08,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:37:08,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:37:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:37:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-18 09:37:08,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:37:08,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212960964] [2024-11-18 09:37:08,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212960964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:37:08,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:37:08,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:37:08,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188688973] [2024-11-18 09:37:08,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:37:08,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:37:08,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:37:08,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:37:08,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:37:08,985 INFO L87 Difference]: Start difference. First operand 921 states and 1186 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:09,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:37:09,338 INFO L93 Difference]: Finished difference Result 2493 states and 3174 transitions. [2024-11-18 09:37:09,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:37:09,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 137 [2024-11-18 09:37:09,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:37:09,339 INFO L225 Difference]: With dead ends: 2493 [2024-11-18 09:37:09,339 INFO L226 Difference]: Without dead ends: 0 [2024-11-18 09:37:09,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:37:09,341 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 135 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 09:37:09,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 28 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 09:37:09,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-18 09:37:09,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-18 09:37:09,342 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) [2024-11-18 09:37:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-18 09:37:09,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2024-11-18 09:37:09,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:37:09,343 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-18 09:37:09,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:37:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-18 09:37:09,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-18 09:37:09,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 09:37:09,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 09:37:09,355 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-18 09:37:09,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-18 09:37:09,393 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 09:37:09,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:37:09 BoogieIcfgContainer [2024-11-18 09:37:09,412 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 09:37:09,413 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 09:37:09,413 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 09:37:09,413 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 09:37:09,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:37:06" (3/4) ... [2024-11-18 09:37:09,415 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-18 09:37:09,427 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-18 09:37:09,427 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-18 09:37:09,428 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-18 09:37:09,428 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-18 09:37:09,522 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 09:37:09,523 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-18 09:37:09,523 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 09:37:09,523 INFO L158 Benchmark]: Toolchain (without parser) took 5091.25ms. Allocated memory was 140.5MB in the beginning and 274.7MB in the end (delta: 134.2MB). Free memory was 69.2MB in the beginning and 213.2MB in the end (delta: -143.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 09:37:09,524 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 09:37:09,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.20ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 69.1MB in the beginning and 151.3MB in the end (delta: -82.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-18 09:37:09,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.12ms. Allocated memory is still 199.2MB. Free memory was 151.3MB in the beginning and 146.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-18 09:37:09,524 INFO L158 Benchmark]: Boogie Preprocessor took 71.15ms. Allocated memory is still 199.2MB. Free memory was 146.1MB in the beginning and 139.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-18 09:37:09,524 INFO L158 Benchmark]: RCFGBuilder took 964.92ms. Allocated memory is still 199.2MB. Free memory was 139.7MB in the beginning and 160.0MB in the end (delta: -20.3MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2024-11-18 09:37:09,525 INFO L158 Benchmark]: TraceAbstraction took 3349.74ms. Allocated memory was 199.2MB in the beginning and 274.7MB in the end (delta: 75.5MB). Free memory was 158.9MB in the beginning and 225.7MB in the end (delta: -66.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-18 09:37:09,525 INFO L158 Benchmark]: Witness Printer took 110.49ms. Allocated memory is still 274.7MB. Free memory was 225.7MB in the beginning and 213.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 09:37:09,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.20ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 69.1MB in the beginning and 151.3MB in the end (delta: -82.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.12ms. Allocated memory is still 199.2MB. Free memory was 151.3MB in the beginning and 146.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.15ms. Allocated memory is still 199.2MB. Free memory was 146.1MB in the beginning and 139.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 964.92ms. Allocated memory is still 199.2MB. Free memory was 139.7MB in the beginning and 160.0MB in the end (delta: -20.3MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3349.74ms. Allocated memory was 199.2MB in the beginning and 274.7MB in the end (delta: 75.5MB). Free memory was 158.9MB in the beginning and 225.7MB in the end (delta: -66.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Witness Printer took 110.49ms. Allocated memory is still 274.7MB. Free memory was 225.7MB in the beginning and 213.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 444]: 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, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 645 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 234 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 406 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1674 IncrementalHoareTripleChecker+Invalid, 2080 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 406 mSolverCounterUnsat, 209 mSDtfsCounter, 1674 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=921occurred in iteration=4, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 131 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 559 NumberOfCodeBlocks, 559 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 554 ConstructedInterpolants, 0 QuantifiedInterpolants, 886 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 179/179 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: 593]: Loop Invariant Derived loop invariant: (((a16 < 6) || ((a21 == 1) && (15 <= a8))) || (a20 == 1)) RESULT: Ultimate proved your program to be correct! [2024-11-18 09:37:09,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE