./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.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/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.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 0fadbea4ce4d051fd90ea075ad07b7ac800688b213e3e7ee6ba3c0fda07bc228 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 22:01:17,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 22:01:17,476 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 22:01:17,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 22:01:17,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 22:01:17,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 22:01:17,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 22:01:17,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 22:01:17,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 22:01:17,510 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 22:01:17,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 22:01:17,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 22:01:17,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 22:01:17,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 22:01:17,514 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 22:01:17,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 22:01:17,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 22:01:17,514 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 22:01:17,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 22:01:17,515 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 22:01:17,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 22:01:17,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 22:01:17,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 22:01:17,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 22:01:17,519 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 22:01:17,519 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 22:01:17,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 22:01:17,519 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 22:01:17,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 22:01:17,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 22:01:17,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 22:01:17,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 22:01:17,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:01:17,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 22:01:17,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 22:01:17,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 22:01:17,521 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 22:01:17,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 22:01:17,521 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 22:01:17,521 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 22:01:17,522 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 22:01:17,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 22:01:17,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fadbea4ce4d051fd90ea075ad07b7ac800688b213e3e7ee6ba3c0fda07bc228 [2024-11-18 22:01:17,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 22:01:17,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 22:01:17,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 22:01:17,771 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 22:01:17,771 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 22:01:17,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i [2024-11-18 22:01:19,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 22:01:19,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 22:01:19,223 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i [2024-11-18 22:01:19,232 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7144d1d2/938237f929f44e25ab170bac31fb536f/FLAG1173a021d [2024-11-18 22:01:19,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7144d1d2/938237f929f44e25ab170bac31fb536f [2024-11-18 22:01:19,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 22:01:19,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 22:01:19,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 22:01:19,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 22:01:19,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 22:01:19,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:19,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab32ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19, skipping insertion in model container [2024-11-18 22:01:19,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:19,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 22:01:19,768 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/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i[917,930] [2024-11-18 22:01:19,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:01:19,841 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 22:01:19,855 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/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i[917,930] [2024-11-18 22:01:19,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:01:19,903 INFO L204 MainTranslator]: Completed translation [2024-11-18 22:01:19,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19 WrapperNode [2024-11-18 22:01:19,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 22:01:19,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 22:01:19,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 22:01:19,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 22:01:19,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:19,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:19,992 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-18 22:01:19,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 22:01:19,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 22:01:19,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 22:01:19,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 22:01:20,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:20,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:20,008 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:20,037 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 22:01:20,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:20,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:20,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:20,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:20,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:20,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:20,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 22:01:20,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 22:01:20,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 22:01:20,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 22:01:20,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (1/1) ... [2024-11-18 22:01:20,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:01:20,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:01:20,103 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 22:01:20,115 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 22:01:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 22:01:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 22:01:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 22:01:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 22:01:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 22:01:20,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 22:01:20,222 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 22:01:20,226 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 22:01:20,444 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-18 22:01:20,444 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 22:01:20,455 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 22:01:20,455 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 22:01:20,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:01:20 BoogieIcfgContainer [2024-11-18 22:01:20,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 22:01:20,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 22:01:20,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 22:01:20,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 22:01:20,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:01:19" (1/3) ... [2024-11-18 22:01:20,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcb1906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:01:20, skipping insertion in model container [2024-11-18 22:01:20,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:19" (2/3) ... [2024-11-18 22:01:20,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcb1906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:01:20, skipping insertion in model container [2024-11-18 22:01:20,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:01:20" (3/3) ... [2024-11-18 22:01:20,463 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-39.i [2024-11-18 22:01:20,475 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 22:01:20,476 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 22:01:20,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 22:01:20,523 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;@4439a0f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 22:01:20,523 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 22:01:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 22:01:20,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-18 22:01:20,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:01:20,535 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:20,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:01:20,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:01:20,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1022214242, now seen corresponding path program 1 times [2024-11-18 22:01:20,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:01:20,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290886324] [2024-11-18 22:01:20,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:01:20,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:01:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:01:20,736 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-18 22:01:20,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 22:01:20,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290886324] [2024-11-18 22:01:20,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290886324] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 22:01:20,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478054894] [2024-11-18 22:01:20,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:01:20,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:01:20,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:01:20,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 22:01:20,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 22:01:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:01:20,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 22:01:20,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:01:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-18 22:01:20,887 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 22:01:20,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478054894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:01:20,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 22:01:20,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 22:01:20,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181160179] [2024-11-18 22:01:20,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:01:20,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 22:01:20,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 22:01:20,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 22:01:20,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:01:20,913 INFO L87 Difference]: Start difference. First operand has 56 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-18 22:01:20,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:01:20,934 INFO L93 Difference]: Finished difference Result 105 states and 172 transitions. [2024-11-18 22:01:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 22:01:20,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2024-11-18 22:01:20,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:01:20,942 INFO L225 Difference]: With dead ends: 105 [2024-11-18 22:01:20,942 INFO L226 Difference]: Without dead ends: 52 [2024-11-18 22:01:20,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 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 22:01:20,947 INFO L432 NwaCegarLoop]: 74 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, 74 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 22:01:20,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 22:01:20,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-18 22:01:21,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-18 22:01:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 22:01:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2024-11-18 22:01:21,047 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 104 [2024-11-18 22:01:21,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:01:21,050 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-18 22:01:21,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-18 22:01:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-18 22:01:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-18 22:01:21,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:01:21,059 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:21,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-18 22:01:21,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 22:01:21,260 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:01:21,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:01:21,265 INFO L85 PathProgramCache]: Analyzing trace with hash 860814698, now seen corresponding path program 1 times [2024-11-18 22:01:21,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:01:21,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289028323] [2024-11-18 22:01:21,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:01:21,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:01:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:01:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-18 22:01:22,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 22:01:22,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289028323] [2024-11-18 22:01:22,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289028323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:01:22,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 22:01:22,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 22:01:22,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189711398] [2024-11-18 22:01:22,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:01:22,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 22:01:22,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 22:01:22,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 22:01:22,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 22:01:22,112 INFO L87 Difference]: Start difference. First operand 52 states and 74 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-18 22:01:22,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:01:22,358 INFO L93 Difference]: Finished difference Result 121 states and 170 transitions. [2024-11-18 22:01:22,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 22:01:22,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-18 22:01:22,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:01:22,361 INFO L225 Difference]: With dead ends: 121 [2024-11-18 22:01:22,361 INFO L226 Difference]: Without dead ends: 72 [2024-11-18 22:01:22,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-18 22:01:22,364 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 54 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 22:01:22,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 171 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 22:01:22,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-18 22:01:22,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 59. [2024-11-18 22:01:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 41 states have internal predecessors, (52), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 22:01:22,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 84 transitions. [2024-11-18 22:01:22,379 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 84 transitions. Word has length 104 [2024-11-18 22:01:22,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:01:22,381 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 84 transitions. [2024-11-18 22:01:22,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-18 22:01:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2024-11-18 22:01:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-18 22:01:22,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:01:22,384 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:22,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 22:01:22,385 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:01:22,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:01:22,386 INFO L85 PathProgramCache]: Analyzing trace with hash 88952805, now seen corresponding path program 1 times [2024-11-18 22:01:22,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:01:22,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486117816] [2024-11-18 22:01:22,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:01:22,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:01:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 22:01:22,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 22:01:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 22:01:22,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 22:01:22,560 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 22:01:22,561 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 22:01:22,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 22:01:22,565 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-18 22:01:22,642 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 22:01:22,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:01:22 BoogieIcfgContainer [2024-11-18 22:01:22,647 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 22:01:22,648 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 22:01:22,648 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 22:01:22,650 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 22:01:22,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:01:20" (3/4) ... [2024-11-18 22:01:22,652 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 22:01:22,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 22:01:22,657 INFO L158 Benchmark]: Toolchain (without parser) took 3046.76ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 79.0MB in the beginning and 113.7MB in the end (delta: -34.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-18 22:01:22,657 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 22:01:22,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.34ms. Allocated memory is still 153.1MB. Free memory was 78.9MB in the beginning and 64.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 22:01:22,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.66ms. Allocated memory is still 153.1MB. Free memory was 64.4MB in the beginning and 120.8MB in the end (delta: -56.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-11-18 22:01:22,658 INFO L158 Benchmark]: Boogie Preprocessor took 59.77ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 120.8MB in the beginning and 193.2MB in the end (delta: -72.5MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-11-18 22:01:22,659 INFO L158 Benchmark]: RCFGBuilder took 400.24ms. Allocated memory is still 222.3MB. Free memory was 192.2MB in the beginning and 175.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 22:01:22,659 INFO L158 Benchmark]: TraceAbstraction took 2189.56ms. Allocated memory is still 222.3MB. Free memory was 175.4MB in the beginning and 113.7MB in the end (delta: 61.7MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2024-11-18 22:01:22,659 INFO L158 Benchmark]: Witness Printer took 8.46ms. Allocated memory is still 222.3MB. Free memory was 113.7MB in the beginning and 113.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 22:01:22,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.34ms. Allocated memory is still 153.1MB. Free memory was 78.9MB in the beginning and 64.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.66ms. Allocated memory is still 153.1MB. Free memory was 64.4MB in the beginning and 120.8MB in the end (delta: -56.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.77ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 120.8MB in the beginning and 193.2MB in the end (delta: -72.5MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * RCFGBuilder took 400.24ms. Allocated memory is still 222.3MB. Free memory was 192.2MB in the beginning and 175.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2189.56ms. Allocated memory is still 222.3MB. Free memory was 175.4MB in the beginning and 113.7MB in the end (delta: 61.7MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Witness Printer took 8.46ms. Allocated memory is still 222.3MB. Free memory was 113.7MB in the beginning and 113.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: 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 someBinaryFLOATComparisonOperation at line 89. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -5; [L23] signed short int var_1_2 = 0; [L24] signed short int var_1_3 = 1000; [L25] signed short int var_1_4 = 10; [L26] signed short int var_1_5 = 32; [L27] signed long int var_1_6 = 5; [L28] float var_1_7 = 1.1; [L29] float var_1_8 = 7.8; [L30] float var_1_9 = 1.75; [L31] signed long int var_1_10 = 32; [L32] unsigned char var_1_11 = 64; [L33] signed long int var_1_12 = 1230482582; VAL [isInitial=0, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] FCALL updateLastVariables() [L97] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_short() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L62] CALL assume_abort_if_not(var_1_2 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L62] RET assume_abort_if_not(var_1_2 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L63] var_1_3 = __VERIFIER_nondet_short() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L65] CALL assume_abort_if_not(var_1_3 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L65] RET assume_abort_if_not(var_1_3 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L66] var_1_4 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L67] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L68] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L68] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L69] var_1_5 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L71] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L71] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L72] var_1_7 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_8=39/5, var_1_9=7/4] [L73] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_8=39/5, var_1_9=7/4] [L74] var_1_8 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_9=7/4] [L75] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5, var_1_9=7/4] [L76] var_1_9 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L77] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L79] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L80] CALL assume_abort_if_not(var_1_11 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L80] RET assume_abort_if_not(var_1_11 <= 255) VAL [isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L81] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L81] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L82] var_1_12 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L83] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L84] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L84] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L97] RET updateVariables() [L98] CALL step() [L37] var_1_1 = ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L38] COND TRUE var_1_2 >= var_1_1 VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=5] [L39] COND FALSE !(((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) [L42] var_1_6 = var_1_1 VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=-1] [L47] EXPR var_1_4 << var_1_2 VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=-1] [L47] signed long int stepLocal_1 = var_1_6 + (var_1_4 << var_1_2); [L48] signed long int stepLocal_0 = var_1_2 - (var_1_12 - var_1_5); VAL [isInitial=1, stepLocal_0=-1073741823, stepLocal_1=0, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=-1] [L49] COND FALSE !(stepLocal_1 != var_1_5) [L56] var_1_10 = var_1_2 VAL [isInitial=1, stepLocal_0=-1073741823, var_1_10=0, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=-1] [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR ((var_1_1 == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))))) && ((var_1_2 >= var_1_1) ? ((((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) ? (var_1_6 == ((signed long int) var_1_3)) : (var_1_6 == ((signed long int) var_1_1))) : (var_1_6 == ((signed long int) var_1_4)))) && (((var_1_6 + (var_1_4 << var_1_2)) != var_1_5) ? (((var_1_3 / var_1_11) < (var_1_2 - (var_1_12 - var_1_5))) ? (var_1_10 == ((signed long int) ((((-256) < (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2)))))))) ? (-256) : (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))))))))) : (var_1_10 == ((signed long int) var_1_4))) : (var_1_10 == ((signed long int) var_1_2))) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=-1] [L89-L90] return ((var_1_1 == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))))) && ((var_1_2 >= var_1_1) ? ((((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) ? (var_1_6 == ((signed long int) var_1_3)) : (var_1_6 == ((signed long int) var_1_1))) : (var_1_6 == ((signed long int) var_1_4)))) && (((var_1_6 + (var_1_4 << var_1_2)) != var_1_5) ? (((var_1_3 / var_1_11) < (var_1_2 - (var_1_12 - var_1_5))) ? (var_1_10 == ((signed long int) ((((-256) < (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2)))))))) ? (-256) : (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))))))))) : (var_1_10 == ((signed long int) var_1_4))) : (var_1_10 == ((signed long int) var_1_2))) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=-1] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=17, var_1_4=1, var_1_5=0, var_1_6=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 105 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 140 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=2, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 417 NumberOfCodeBlocks, 417 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 1555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 240 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1410/1440 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 22:01:22,681 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/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.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 0fadbea4ce4d051fd90ea075ad07b7ac800688b213e3e7ee6ba3c0fda07bc228 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 22:01:24,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 22:01:24,882 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 22:01:24,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 22:01:24,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 22:01:24,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 22:01:24,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 22:01:24,913 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 22:01:24,914 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 22:01:24,915 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 22:01:24,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 22:01:24,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 22:01:24,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 22:01:24,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 22:01:24,917 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 22:01:24,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 22:01:24,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 22:01:24,920 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 22:01:24,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 22:01:24,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 22:01:24,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 22:01:24,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 22:01:24,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 22:01:24,921 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 22:01:24,921 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 22:01:24,921 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 22:01:24,922 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 22:01:24,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 22:01:24,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 22:01:24,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 22:01:24,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 22:01:24,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 22:01:24,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 22:01:24,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 22:01:24,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:01:24,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 22:01:24,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 22:01:24,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 22:01:24,926 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 22:01:24,926 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 22:01:24,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 22:01:24,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 22:01:24,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 22:01:24,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 22:01:24,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fadbea4ce4d051fd90ea075ad07b7ac800688b213e3e7ee6ba3c0fda07bc228 [2024-11-18 22:01:25,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 22:01:25,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 22:01:25,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 22:01:25,216 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 22:01:25,216 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 22:01:25,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i [2024-11-18 22:01:26,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 22:01:26,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 22:01:26,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i [2024-11-18 22:01:26,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a059558/bc6720760080472584257e909236e567/FLAGa0f9d19bc [2024-11-18 22:01:26,987 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a059558/bc6720760080472584257e909236e567 [2024-11-18 22:01:26,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 22:01:26,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 22:01:26,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 22:01:26,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 22:01:26,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 22:01:27,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:01:26" (1/1) ... [2024-11-18 22:01:27,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e04692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27, skipping insertion in model container [2024-11-18 22:01:27,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:01:26" (1/1) ... [2024-11-18 22:01:27,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 22:01:27,160 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/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i[917,930] [2024-11-18 22:01:27,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:01:27,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 22:01:27,238 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/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i[917,930] [2024-11-18 22:01:27,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:01:27,283 INFO L204 MainTranslator]: Completed translation [2024-11-18 22:01:27,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27 WrapperNode [2024-11-18 22:01:27,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 22:01:27,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 22:01:27,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 22:01:27,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 22:01:27,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,327 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-11-18 22:01:27,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 22:01:27,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 22:01:27,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 22:01:27,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 22:01:27,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,356 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 22:01:27,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 22:01:27,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 22:01:27,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 22:01:27,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 22:01:27,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (1/1) ... [2024-11-18 22:01:27,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:01:27,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:01:27,417 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 22:01:27,426 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 22:01:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 22:01:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 22:01:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 22:01:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 22:01:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 22:01:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 22:01:27,545 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 22:01:27,546 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 22:01:28,029 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-18 22:01:28,029 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 22:01:28,040 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 22:01:28,040 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 22:01:28,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:01:28 BoogieIcfgContainer [2024-11-18 22:01:28,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 22:01:28,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 22:01:28,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 22:01:28,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 22:01:28,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:01:26" (1/3) ... [2024-11-18 22:01:28,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c4b5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:01:28, skipping insertion in model container [2024-11-18 22:01:28,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:01:27" (2/3) ... [2024-11-18 22:01:28,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c4b5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:01:28, skipping insertion in model container [2024-11-18 22:01:28,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:01:28" (3/3) ... [2024-11-18 22:01:28,047 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-39.i [2024-11-18 22:01:28,061 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 22:01:28,061 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 22:01:28,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 22:01:28,112 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;@c317925, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 22:01:28,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 22:01:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 22:01:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-18 22:01:28,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:01:28,125 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:28,125 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:01:28,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:01:28,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1678023097, now seen corresponding path program 1 times [2024-11-18 22:01:28,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:01:28,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065150937] [2024-11-18 22:01:28,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:01:28,143 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 22:01:28,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:01:28,147 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 22:01:28,148 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 22:01:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:01:28,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 22:01:28,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:01:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-18 22:01:28,411 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 22:01:28,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 22:01:28,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065150937] [2024-11-18 22:01:28,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065150937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:01:28,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 22:01:28,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 22:01:28,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500058126] [2024-11-18 22:01:28,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:01:28,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 22:01:28,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 22:01:28,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 22:01:28,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:01:28,437 INFO L87 Difference]: Start difference. First operand has 49 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-18 22:01:28,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:01:28,461 INFO L93 Difference]: Finished difference Result 91 states and 152 transitions. [2024-11-18 22:01:28,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 22:01:28,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 101 [2024-11-18 22:01:28,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:01:28,472 INFO L225 Difference]: With dead ends: 91 [2024-11-18 22:01:28,473 INFO L226 Difference]: Without dead ends: 45 [2024-11-18 22:01:28,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 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 22:01:28,479 INFO L432 NwaCegarLoop]: 64 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, 64 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 22:01:28,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 22:01:28,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-18 22:01:28,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-18 22:01:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 22:01:28,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2024-11-18 22:01:28,523 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 101 [2024-11-18 22:01:28,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:01:28,523 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2024-11-18 22:01:28,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-18 22:01:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2024-11-18 22:01:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-18 22:01:28,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:01:28,527 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:28,535 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 (2)] Forceful destruction successful, exit code 0 [2024-11-18 22:01:28,731 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 22:01:28,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:01:28,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:01:28,733 INFO L85 PathProgramCache]: Analyzing trace with hash 852212145, now seen corresponding path program 1 times [2024-11-18 22:01:28,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:01:28,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284537425] [2024-11-18 22:01:28,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:01:28,735 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 22:01:28,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:01:28,737 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 22:01:28,741 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 22:01:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:01:28,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-18 22:01:28,918 INFO L278 TraceCheckSpWp]: Computing forward predicates...