./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i --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/neural-networks/softplus_4_unsafe.c-amalgamation.i -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 5165ba9670951229a03e9eec09d5034a914a3e2ca6cb1d83323501c73292ae2d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 12:46:09,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 12:46:09,991 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 12:46:09,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 12:46:09,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 12:46:10,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 12:46:10,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 12:46:10,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 12:46:10,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 12:46:10,038 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 12:46:10,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 12:46:10,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 12:46:10,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 12:46:10,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 12:46:10,042 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 12:46:10,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 12:46:10,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 12:46:10,043 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 12:46:10,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 12:46:10,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 12:46:10,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 12:46:10,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 12:46:10,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 12:46:10,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 12:46:10,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 12:46:10,049 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 12:46:10,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 12:46:10,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 12:46:10,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 12:46:10,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 12:46:10,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 12:46:10,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 12:46:10,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:46:10,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 12:46:10,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 12:46:10,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 12:46:10,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 12:46:10,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 12:46:10,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 12:46:10,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 12:46:10,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 12:46:10,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 12:46:10,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5165ba9670951229a03e9eec09d5034a914a3e2ca6cb1d83323501c73292ae2d [2024-11-18 12:46:10,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 12:46:10,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 12:46:10,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 12:46:10,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 12:46:10,339 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 12:46:10,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i [2024-11-18 12:46:11,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 12:46:12,102 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 12:46:12,103 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i [2024-11-18 12:46:12,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f5f65c4/1c9d0363ac444aa990eba80f960b782c/FLAG4e82c5d32 [2024-11-18 12:46:12,379 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f5f65c4/1c9d0363ac444aa990eba80f960b782c [2024-11-18 12:46:12,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 12:46:12,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 12:46:12,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 12:46:12,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 12:46:12,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 12:46:12,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:46:12" (1/1) ... [2024-11-18 12:46:12,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31735a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:12, skipping insertion in model container [2024-11-18 12:46:12,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:46:12" (1/1) ... [2024-11-18 12:46:12,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 12:46:13,046 WARN L1674 CHandler]: Possible shadowing of function y1 [2024-11-18 12:46:13,047 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/neural-networks/softplus_4_unsafe.c-amalgamation.i[63165,63178] [2024-11-18 12:46:13,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:46:13,063 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 12:46:13,174 WARN L1674 CHandler]: Possible shadowing of function y1 [2024-11-18 12:46:13,175 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/neural-networks/softplus_4_unsafe.c-amalgamation.i[63165,63178] [2024-11-18 12:46:13,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:46:13,279 INFO L204 MainTranslator]: Completed translation [2024-11-18 12:46:13,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13 WrapperNode [2024-11-18 12:46:13,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 12:46:13,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 12:46:13,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 12:46:13,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 12:46:13,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,334 INFO L138 Inliner]: procedures = 558, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-18 12:46:13,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 12:46:13,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 12:46:13,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 12:46:13,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 12:46:13,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,356 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-18 12:46:13,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 12:46:13,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 12:46:13,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 12:46:13,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 12:46:13,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (1/1) ... [2024-11-18 12:46:13,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:46:13,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 12:46:13,401 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 12:46:13,404 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 12:46:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 12:46:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 12:46:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 12:46:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure softplus [2024-11-18 12:46:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure softplus [2024-11-18 12:46:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 12:46:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 12:46:13,578 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 12:46:13,581 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 12:46:13,650 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-18 12:46:13,651 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 12:46:13,661 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 12:46:13,661 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-18 12:46:13,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:46:13 BoogieIcfgContainer [2024-11-18 12:46:13,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 12:46:13,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 12:46:13,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 12:46:13,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 12:46:13,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:46:12" (1/3) ... [2024-11-18 12:46:13,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b610aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:46:13, skipping insertion in model container [2024-11-18 12:46:13,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:13" (2/3) ... [2024-11-18 12:46:13,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b610aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:46:13, skipping insertion in model container [2024-11-18 12:46:13,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:46:13" (3/3) ... [2024-11-18 12:46:13,669 INFO L112 eAbstractionObserver]: Analyzing ICFG softplus_4_unsafe.c-amalgamation.i [2024-11-18 12:46:13,685 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 12:46:13,686 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 12:46:13,734 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 12:46:13,742 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;@457f08ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 12:46:13,743 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 12:46:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 12:46:13,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-18 12:46:13,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 12:46:13,756 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 12:46:13,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 12:46:13,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 12:46:13,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2056638151, now seen corresponding path program 1 times [2024-11-18 12:46:13,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 12:46:13,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275657554] [2024-11-18 12:46:13,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 12:46:13,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 12:46:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 12:46:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-18 12:46:13,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 12:46:13,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275657554] [2024-11-18 12:46:13,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275657554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 12:46:13,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 12:46:13,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 12:46:13,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972653818] [2024-11-18 12:46:13,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 12:46:13,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 12:46:13,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 12:46:13,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 12:46:13,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 12:46:13,964 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 12:46:13,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 12:46:13,975 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-11-18 12:46:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 12:46:13,977 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-18 12:46:13,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 12:46:13,981 INFO L225 Difference]: With dead ends: 31 [2024-11-18 12:46:13,982 INFO L226 Difference]: Without dead ends: 13 [2024-11-18 12:46:13,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 12:46:13,987 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 12:46:13,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 12:46:14,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-18 12:46:14,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-18 12:46:14,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 12:46:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-18 12:46:14,017 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 15 [2024-11-18 12:46:14,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 12:46:14,018 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-18 12:46:14,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 12:46:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-18 12:46:14,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-18 12:46:14,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 12:46:14,020 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 12:46:14,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 12:46:14,021 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 12:46:14,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 12:46:14,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1469832137, now seen corresponding path program 1 times [2024-11-18 12:46:14,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 12:46:14,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709842044] [2024-11-18 12:46:14,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 12:46:14,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 12:46:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:46:14,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 12:46:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:46:14,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 12:46:14,085 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 12:46:14,087 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 12:46:14,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 12:46:14,092 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-18 12:46:14,112 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 12:46:14,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:46:14 BoogieIcfgContainer [2024-11-18 12:46:14,119 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 12:46:14,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 12:46:14,120 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 12:46:14,120 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 12:46:14,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:46:13" (3/4) ... [2024-11-18 12:46:14,124 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 12:46:14,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 12:46:14,126 INFO L158 Benchmark]: Toolchain (without parser) took 1742.84ms. Allocated memory is still 165.7MB. Free memory was 94.3MB in the beginning and 52.7MB in the end (delta: 41.6MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-11-18 12:46:14,127 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:46:14,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 896.42ms. Allocated memory is still 165.7MB. Free memory was 93.9MB in the beginning and 93.2MB in the end (delta: 687.5kB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-18 12:46:14,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.86ms. Allocated memory is still 165.7MB. Free memory was 93.2MB in the beginning and 90.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 12:46:14,129 INFO L158 Benchmark]: Boogie Preprocessor took 30.07ms. Allocated memory is still 165.7MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:46:14,130 INFO L158 Benchmark]: RCFGBuilder took 296.06ms. Allocated memory is still 165.7MB. Free memory was 88.9MB in the beginning and 78.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-18 12:46:14,130 INFO L158 Benchmark]: TraceAbstraction took 455.86ms. Allocated memory is still 165.7MB. Free memory was 77.8MB in the beginning and 52.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-18 12:46:14,130 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 165.7MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:46:14,134 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 896.42ms. Allocated memory is still 165.7MB. Free memory was 93.9MB in the beginning and 93.2MB in the end (delta: 687.5kB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.86ms. Allocated memory is still 165.7MB. Free memory was 93.2MB in the beginning and 90.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.07ms. Allocated memory is still 165.7MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.06ms. Allocated memory is still 165.7MB. Free memory was 88.9MB in the beginning and 78.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 455.86ms. Allocated memory is still 165.7MB. Free memory was 77.8MB in the beginning and 52.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 165.7MB. Free memory is still 52.7MB. There was no memory consumed. 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 - UnprovableResult [Line: 857]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of log1pf at line 847, overapproximation of someBinaryFLOATComparisonOperation at line 857, overapproximation of someBinaryArithmeticFLOAToperation at line 856. Possible FailurePath: [L851] float x1 = __VERIFIER_nondet_float(); [L852] float x2 = x1 + 1e-5f; [L853] COND FALSE !(!(__builtin_islessequal(x1, 88.0f))) [L854] CALL, EXPR softplus(x1) VAL [\old(x)=119] [L847] return log1pf(expf(x)); [L854] RET, EXPR softplus(x1) VAL [x1=119] [L854] float y1 = softplus(x1); [L855] CALL, EXPR softplus(x2) VAL [\old(x)=117] [L847] return log1pf(expf(x)); [L855] RET, EXPR softplus(x2) VAL [x1=119, x2=117] [L855] float y2 = softplus(x2); [L856] float derivative = (y2 - y1) / 1e-5f; VAL [x1=119, x2=117] [L857] COND TRUE !(__builtin_islessequal(derivative, 1.0f)) VAL [x1=119, x2=117] [L857] reach_error() VAL [x1=119, x2=117] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 12:46:14,166 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/neural-networks/softplus_4_unsafe.c-amalgamation.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 5165ba9670951229a03e9eec09d5034a914a3e2ca6cb1d83323501c73292ae2d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 12:46:16,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 12:46:16,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 12:46:16,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 12:46:16,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 12:46:16,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 12:46:16,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 12:46:16,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 12:46:16,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 12:46:16,538 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 12:46:16,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 12:46:16,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 12:46:16,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 12:46:16,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 12:46:16,542 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 12:46:16,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 12:46:16,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 12:46:16,542 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 12:46:16,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 12:46:16,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 12:46:16,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 12:46:16,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 12:46:16,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 12:46:16,548 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 12:46:16,548 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 12:46:16,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 12:46:16,548 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 12:46:16,548 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 12:46:16,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 12:46:16,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 12:46:16,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 12:46:16,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 12:46:16,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 12:46:16,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 12:46:16,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:46:16,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 12:46:16,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 12:46:16,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 12:46:16,553 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 12:46:16,553 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 12:46:16,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 12:46:16,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 12:46:16,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 12:46:16,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 12:46:16,554 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5165ba9670951229a03e9eec09d5034a914a3e2ca6cb1d83323501c73292ae2d [2024-11-18 12:46:16,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 12:46:16,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 12:46:16,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 12:46:16,897 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 12:46:16,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 12:46:16,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i [2024-11-18 12:46:18,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 12:46:18,742 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 12:46:18,742 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i [2024-11-18 12:46:18,769 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c1c5bbf/8c9a1fbec2ea49d0be402c92531622f6/FLAG2b5a6888c [2024-11-18 12:46:19,010 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c1c5bbf/8c9a1fbec2ea49d0be402c92531622f6 [2024-11-18 12:46:19,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 12:46:19,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 12:46:19,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 12:46:19,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 12:46:19,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 12:46:19,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32338900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19, skipping insertion in model container [2024-11-18 12:46:19,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 12:46:19,601 WARN L1674 CHandler]: Possible shadowing of function y1 [2024-11-18 12:46:19,602 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/neural-networks/softplus_4_unsafe.c-amalgamation.i[63165,63178] [2024-11-18 12:46:19,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:46:19,618 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 12:46:19,652 WARN L1674 CHandler]: Possible shadowing of function y1 [2024-11-18 12:46:19,653 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/neural-networks/softplus_4_unsafe.c-amalgamation.i[63165,63178] [2024-11-18 12:46:19,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:46:19,788 INFO L204 MainTranslator]: Completed translation [2024-11-18 12:46:19,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19 WrapperNode [2024-11-18 12:46:19,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 12:46:19,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 12:46:19,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 12:46:19,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 12:46:19,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,848 INFO L138 Inliner]: procedures = 559, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-11-18 12:46:19,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 12:46:19,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 12:46:19,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 12:46:19,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 12:46:19,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,890 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-18 12:46:19,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 12:46:19,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 12:46:19,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 12:46:19,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 12:46:19,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (1/1) ... [2024-11-18 12:46:19,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:46:19,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 12:46:19,952 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 12:46:19,954 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 12:46:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 12:46:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-18 12:46:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 12:46:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 12:46:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 12:46:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure softplus [2024-11-18 12:46:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure softplus [2024-11-18 12:46:20,103 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 12:46:20,105 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 12:46:21,058 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-18 12:46:21,058 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 12:46:21,067 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 12:46:21,067 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-18 12:46:21,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:46:21 BoogieIcfgContainer [2024-11-18 12:46:21,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 12:46:21,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 12:46:21,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 12:46:21,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 12:46:21,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:46:19" (1/3) ... [2024-11-18 12:46:21,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702686c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:46:21, skipping insertion in model container [2024-11-18 12:46:21,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:46:19" (2/3) ... [2024-11-18 12:46:21,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702686c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:46:21, skipping insertion in model container [2024-11-18 12:46:21,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:46:21" (3/3) ... [2024-11-18 12:46:21,076 INFO L112 eAbstractionObserver]: Analyzing ICFG softplus_4_unsafe.c-amalgamation.i [2024-11-18 12:46:21,090 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 12:46:21,090 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 12:46:21,145 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 12:46:21,153 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;@6bff7a3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 12:46:21,153 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 12:46:21,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 12:46:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-18 12:46:21,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 12:46:21,166 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 12:46:21,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 12:46:21,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 12:46:21,174 INFO L85 PathProgramCache]: Analyzing trace with hash 2056638151, now seen corresponding path program 1 times [2024-11-18 12:46:21,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 12:46:21,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042363718] [2024-11-18 12:46:21,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 12:46:21,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 12:46:21,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 12:46:21,193 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 12:46:21,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-18 12:46:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 12:46:21,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 12:46:21,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 12:46:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-18 12:46:21,460 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 12:46:21,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 12:46:21,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042363718] [2024-11-18 12:46:21,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2042363718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 12:46:21,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 12:46:21,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 12:46:21,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775345676] [2024-11-18 12:46:21,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 12:46:21,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 12:46:21,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 12:46:21,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 12:46:21,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 12:46:21,494 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 12:46:21,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 12:46:21,505 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-11-18 12:46:21,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 12:46:21,506 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-18 12:46:21,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 12:46:21,510 INFO L225 Difference]: With dead ends: 31 [2024-11-18 12:46:21,510 INFO L226 Difference]: Without dead ends: 13 [2024-11-18 12:46:21,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 12:46:21,516 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 12:46:21,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 12:46:21,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-18 12:46:21,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-18 12:46:21,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 12:46:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-18 12:46:21,545 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 15 [2024-11-18 12:46:21,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 12:46:21,546 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-18 12:46:21,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 12:46:21,546 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-18 12:46:21,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-18 12:46:21,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 12:46:21,547 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 12:46:21,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-18 12:46:21,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 12:46:21,748 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 12:46:21,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 12:46:21,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1469832137, now seen corresponding path program 1 times [2024-11-18 12:46:21,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 12:46:21,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564041586] [2024-11-18 12:46:21,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 12:46:21,750 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 12:46:21,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 12:46:21,752 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 12:46:21,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-18 12:46:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:46:21,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 12:46:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:46:22,173 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-18 12:46:22,174 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 12:46:22,175 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 12:46:22,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-18 12:46:22,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 12:46:22,383 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-18 12:46:22,405 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 12:46:22,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:46:22 BoogieIcfgContainer [2024-11-18 12:46:22,408 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 12:46:22,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 12:46:22,410 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 12:46:22,410 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 12:46:22,411 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:46:21" (3/4) ... [2024-11-18 12:46:22,413 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 12:46:22,414 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 12:46:22,415 INFO L158 Benchmark]: Toolchain (without parser) took 3401.76ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 35.9MB in the beginning and 30.8MB in the end (delta: 5.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-18 12:46:22,415 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 50.3MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:46:22,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.35ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 35.7MB in the beginning and 52.2MB in the end (delta: -16.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-11-18 12:46:22,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.76ms. Allocated memory is still 79.7MB. Free memory was 51.8MB in the beginning and 49.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 12:46:22,416 INFO L158 Benchmark]: Boogie Preprocessor took 69.60ms. Allocated memory is still 79.7MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 12:46:22,417 INFO L158 Benchmark]: RCFGBuilder took 1147.88ms. Allocated memory is still 79.7MB. Free memory was 46.9MB in the beginning and 36.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-18 12:46:22,417 INFO L158 Benchmark]: TraceAbstraction took 1338.83ms. Allocated memory is still 79.7MB. Free memory was 35.5MB in the beginning and 31.1MB in the end (delta: 4.5MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-11-18 12:46:22,422 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 79.7MB. Free memory was 31.1MB in the beginning and 30.8MB in the end (delta: 220.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:46:22,424 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 50.3MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.35ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 35.7MB in the beginning and 52.2MB in the end (delta: -16.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.76ms. Allocated memory is still 79.7MB. Free memory was 51.8MB in the beginning and 49.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.60ms. Allocated memory is still 79.7MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1147.88ms. Allocated memory is still 79.7MB. Free memory was 46.9MB in the beginning and 36.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1338.83ms. Allocated memory is still 79.7MB. Free memory was 35.5MB in the beginning and 31.1MB in the end (delta: 4.5MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 79.7MB. Free memory was 31.1MB in the beginning and 30.8MB in the end (delta: 220.9kB). There was no memory consumed. 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 - UnprovableResult [Line: 857]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of log1pf at line 847. Possible FailurePath: [L851] float x1 = __VERIFIER_nondet_float(); [L852] float x2 = x1 + 1e-5f; VAL [x1=0.0, x2=0.000009999999747378752] [L853] COND FALSE !(!(__builtin_islessequal(x1, 88.0f))) VAL [x1=0.0, x2=0.000009999999747378752] [L854] CALL, EXPR softplus(x1) VAL [\old(x)=0.0] [L847] return log1pf(expf(x)); [L854] RET, EXPR softplus(x1) VAL [x1=0.0, x2=0.000009999999747378752] [L854] float y1 = softplus(x1); [L855] CALL, EXPR softplus(x2) VAL [\old(x)=0.000009999999747378752] [L847] return log1pf(expf(x)); [L855] RET, EXPR softplus(x2) VAL [x1=0.0, x2=0.000009999999747378752, y1=0.0] [L855] float y2 = softplus(x2); [L856] float derivative = (y2 - y1) / 1e-5f; VAL [derivative=200000.0, x1=0.0, x2=0.000009999999747378752] [L857] COND TRUE !(__builtin_islessequal(derivative, 1.0f)) VAL [x1=0.0, x2=0.000009999999747378752] [L857] reach_error() VAL [x1=0.0, x2=0.000009999999747378752] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 39 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 12:46:22,466 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: UNKNOWN: Overapproximated counterexample