./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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-60.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 24553fde4cb88f268a80227390cac2c68a8ef1b3e6cf1587c28a8f56c4889b4b --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 02:46:01,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 02:46:01,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-17 02:46:01,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 02:46:01,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 02:46:01,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 02:46:01,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 02:46:01,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 02:46:01,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 02:46:01,959 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 02:46:01,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 02:46:01,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 02:46:01,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 02:46:01,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 02:46:01,960 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 02:46:01,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 02:46:01,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 02:46:01,961 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 02:46:01,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 02:46:01,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 02:46:01,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 02:46:01,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 02:46:01,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 02:46:01,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 02:46:01,962 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:46:01,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 02:46:01,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 02:46:01,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 02:46:01,963 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 24553fde4cb88f268a80227390cac2c68a8ef1b3e6cf1587c28a8f56c4889b4b [2025-03-17 02:46:02,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 02:46:02,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 02:46:02,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 02:46:02,220 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 02:46:02,220 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 02:46:02,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-60.i [2025-03-17 02:46:03,352 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24317f3db/f4b91105bcf54a9f9a11ba341db47933/FLAGcb412c822 [2025-03-17 02:46:03,594 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 02:46:03,595 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-60.i [2025-03-17 02:46:03,600 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24317f3db/f4b91105bcf54a9f9a11ba341db47933/FLAGcb412c822 [2025-03-17 02:46:03,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24317f3db/f4b91105bcf54a9f9a11ba341db47933 [2025-03-17 02:46:03,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 02:46:03,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 02:46:03,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 02:46:03,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 02:46:03,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 02:46:03,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:46:03" (1/1) ... [2025-03-17 02:46:03,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362ee57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:03, skipping insertion in model container [2025-03-17 02:46:03,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:46:03" (1/1) ... [2025-03-17 02:46:03,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 02:46:04,024 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-60.i[917,930] [2025-03-17 02:46:04,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:46:04,069 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 02:46:04,076 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-60.i[917,930] [2025-03-17 02:46:04,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:46:04,097 INFO L204 MainTranslator]: Completed translation [2025-03-17 02:46:04,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04 WrapperNode [2025-03-17 02:46:04,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 02:46:04,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 02:46:04,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 02:46:04,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 02:46:04,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,126 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2025-03-17 02:46:04,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 02:46:04,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 02:46:04,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 02:46:04,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 02:46:04,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,137 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,149 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]. [2025-03-17 02:46:04,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,155 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 02:46:04,158 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 02:46:04,158 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 02:46:04,159 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 02:46:04,159 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (1/1) ... [2025-03-17 02:46:04,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:46:04,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:46:04,182 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) [2025-03-17 02:46:04,184 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 [2025-03-17 02:46:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 02:46:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 02:46:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 02:46:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 02:46:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 02:46:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 02:46:04,239 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 02:46:04,241 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 02:46:04,391 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 02:46:04,391 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 02:46:04,399 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 02:46:04,399 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 02:46:04,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:46:04 BoogieIcfgContainer [2025-03-17 02:46:04,400 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 02:46:04,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 02:46:04,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 02:46:04,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 02:46:04,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:46:03" (1/3) ... [2025-03-17 02:46:04,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9df120a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:46:04, skipping insertion in model container [2025-03-17 02:46:04,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:04" (2/3) ... [2025-03-17 02:46:04,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9df120a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:46:04, skipping insertion in model container [2025-03-17 02:46:04,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:46:04" (3/3) ... [2025-03-17 02:46:04,406 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-60.i [2025-03-17 02:46:04,416 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 02:46:04,419 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-60.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 02:46:04,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 02:46:04,467 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;@719db06d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 02:46:04,469 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 02:46:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 02:46:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 02:46:04,478 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:46:04,479 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:46:04,479 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:46:04,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:46:04,485 INFO L85 PathProgramCache]: Analyzing trace with hash 240839220, now seen corresponding path program 1 times [2025-03-17 02:46:04,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 02:46:04,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659323859] [2025-03-17 02:46:04,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:46:04,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 02:46:04,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 02:46:04,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 02:46:04,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:46:04,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:46:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-17 02:46:04,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 02:46:04,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659323859] [2025-03-17 02:46:04,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659323859] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 02:46:04,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494895238] [2025-03-17 02:46:04,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:46:04,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 02:46:04,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:46:04,643 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) [2025-03-17 02:46:04,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 02:46:04,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 02:46:04,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 02:46:04,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:46:04,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:46:04,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 02:46:04,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:46:04,786 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-17 02:46:04,787 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 02:46:04,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494895238] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 02:46:04,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 02:46:04,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 02:46:04,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717558762] [2025-03-17 02:46:04,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 02:46:04,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 02:46:04,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 02:46:04,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 02:46:04,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:46:04,810 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-17 02:46:04,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 02:46:04,824 INFO L93 Difference]: Finished difference Result 93 states and 155 transitions. [2025-03-17 02:46:04,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 02:46:04,826 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2025-03-17 02:46:04,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 02:46:04,830 INFO L225 Difference]: With dead ends: 93 [2025-03-17 02:46:04,831 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 02:46:04,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:46:04,837 INFO L435 NwaCegarLoop]: 67 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, 67 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 [2025-03-17 02:46:04,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 02:46:04,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 02:46:04,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 02:46:04,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 02:46:04,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 67 transitions. [2025-03-17 02:46:04,865 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 67 transitions. Word has length 96 [2025-03-17 02:46:04,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 02:46:04,865 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 67 transitions. [2025-03-17 02:46:04,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-17 02:46:04,865 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2025-03-17 02:46:04,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 02:46:04,867 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:46:04,867 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:46:04,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 02:46:05,068 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 [2025-03-17 02:46:05,068 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:46:05,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:46:05,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1464926579, now seen corresponding path program 1 times [2025-03-17 02:46:05,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 02:46:05,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522803994] [2025-03-17 02:46:05,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:46:05,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 02:46:05,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 02:46:05,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 02:46:05,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:46:05,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 02:46:05,164 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 02:46:05,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 02:46:05,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 02:46:05,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:46:05,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 02:46:05,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 02:46:05,224 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 02:46:05,225 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 02:46:05,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 02:46:05,228 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-17 02:46:05,271 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 02:46:05,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 02:46:05 BoogieIcfgContainer [2025-03-17 02:46:05,276 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 02:46:05,277 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 02:46:05,277 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 02:46:05,277 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 02:46:05,278 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:46:04" (3/4) ... [2025-03-17 02:46:05,279 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 02:46:05,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 02:46:05,281 INFO L158 Benchmark]: Toolchain (without parser) took 1368.91ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 95.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2025-03-17 02:46:05,281 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:46:05,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.51ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 98.7MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 02:46:05,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.48ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 02:46:05,282 INFO L158 Benchmark]: Boogie Preprocessor took 30.96ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:46:05,282 INFO L158 Benchmark]: IcfgBuilder took 241.19ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 79.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 02:46:05,282 INFO L158 Benchmark]: TraceAbstraction took 875.11ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 96.7MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:46:05,282 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.9MB in the end (delta: 773.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:46:05,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.51ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 98.7MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.48ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.96ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 241.19ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 79.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 875.11ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 96.7MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.9MB in the end (delta: 773.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 someBinaryArithmeticDOUBLEoperation at line 42, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9999.6; [L23] double var_1_2 = 64.25; [L24] double var_1_3 = 31.2; [L25] signed long int var_1_4 = 1; [L26] unsigned char var_1_5 = 2; [L27] signed long int var_1_6 = 10; [L28] float var_1_7 = 5.8; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] float var_1_10 = 64.8; [L32] float var_1_11 = 32.902; [L33] float var_1_12 = 10.5; [L34] float var_1_13 = 4.4; [L35] float var_1_14 = 999.375; [L36] double var_1_15 = 2.5; [L37] float var_1_16 = 8.6; [L38] float last_1_var_1_16 = 8.6; [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L96] last_1_var_1_16 = var_1_16 [L106] RET updateLastVariables() [L107] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_double() [L69] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L69] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L70] var_1_3 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L71] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L72] var_1_5 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L73] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_5 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_5 <= 255) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L75] var_1_6 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L78] var_1_8 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_9=1] [L79] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L81] var_1_9 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1] [L82] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1] [L83] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L83] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L84] var_1_10 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L85] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L86] var_1_11 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L87] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L88] var_1_12 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L89] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L90] var_1_13 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_13 >= -115292.1504606845700e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 1152921.504606845700e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L91] RET assume_abort_if_not((var_1_13 >= -115292.1504606845700e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 1152921.504606845700e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L92] var_1_14 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_14 >= -115292.1504606845700e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 1152921.504606845700e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L93] RET assume_abort_if_not((var_1_14 >= -115292.1504606845700e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 1152921.504606845700e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L107] RET updateVariables() [L108] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L43] COND FALSE !((- var_1_5) >= var_1_6) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L52] unsigned char stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_16=43/5, stepLocal_0=-255, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L53] COND TRUE var_1_8 && stepLocal_0 [L54] var_1_7 = ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L56] var_1_15 = 500.25 VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=2001/4, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L57] COND FALSE !(var_1_2 > last_1_var_1_16) [L64] var_1_16 = var_1_12 VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=10004, var_1_15=2001/4, var_1_16=10004, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return ((((var_1_1 == ((double) (var_1_2 - var_1_3))) && (((- var_1_5) >= var_1_6) ? ((var_1_6 > var_1_5) ? ((var_1_3 == var_1_1) ? (var_1_4 == ((signed long int) (256 - (var_1_5 + 5)))) : (var_1_4 == ((signed long int) var_1_5))) : 1) : 1)) && ((var_1_8 && var_1_9) ? (var_1_7 == ((float) ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))))) : 1)) && (var_1_15 == ((double) 500.25))) && ((var_1_2 > last_1_var_1_16) ? (var_1_9 ? ((var_1_3 <= ((((last_1_var_1_16) < (var_1_11)) ? (last_1_var_1_16) : (var_1_11)))) ? (var_1_16 == ((float) (var_1_14 + var_1_11))) : 1) : 1) : (var_1_16 == ((float) var_1_12))) ; [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=10004, var_1_15=2001/4, var_1_16=10004, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=10004, var_1_15=2001/4, var_1_16=10004, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 86 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 67 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 812/840 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-17 02:46:05,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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/21.0.5-tem/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_1.6.800.v20240513-1750.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-60.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 24553fde4cb88f268a80227390cac2c68a8ef1b3e6cf1587c28a8f56c4889b4b --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 02:46:07,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 02:46:07,148 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-17 02:46:07,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 02:46:07,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 02:46:07,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 02:46:07,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 02:46:07,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 02:46:07,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 02:46:07,168 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 02:46:07,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 02:46:07,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 02:46:07,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 02:46:07,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 02:46:07,168 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 02:46:07,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 02:46:07,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 02:46:07,169 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 02:46:07,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 02:46:07,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 02:46:07,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 02:46:07,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 02:46:07,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 02:46:07,169 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 02:46:07,169 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 02:46:07,170 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 02:46:07,171 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 02:46:07,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 02:46:07,171 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 02:46:07,171 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 02:46:07,171 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 02:46:07,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 02:46:07,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 02:46:07,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 02:46:07,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:46:07,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 02:46:07,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 02:46:07,172 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 02:46:07,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 02:46:07,172 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 02:46:07,172 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 02:46:07,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 02:46:07,172 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 02:46:07,172 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 02:46:07,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 02:46:07,172 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 24553fde4cb88f268a80227390cac2c68a8ef1b3e6cf1587c28a8f56c4889b4b [2025-03-17 02:46:07,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 02:46:07,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 02:46:07,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 02:46:07,415 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 02:46:07,415 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 02:46:07,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-60.i [2025-03-17 02:46:08,588 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f38163171/6c5d25097e5044a0ac9c6f18c2795194/FLAG59ea2f38d [2025-03-17 02:46:08,748 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 02:46:08,748 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-60.i [2025-03-17 02:46:08,754 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f38163171/6c5d25097e5044a0ac9c6f18c2795194/FLAG59ea2f38d [2025-03-17 02:46:08,769 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f38163171/6c5d25097e5044a0ac9c6f18c2795194 [2025-03-17 02:46:08,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 02:46:08,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 02:46:08,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 02:46:08,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 02:46:08,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 02:46:08,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:46:08" (1/1) ... [2025-03-17 02:46:08,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a437223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:08, skipping insertion in model container [2025-03-17 02:46:08,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:46:08" (1/1) ... [2025-03-17 02:46:08,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 02:46:08,892 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-60.i[917,930] [2025-03-17 02:46:08,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:46:08,951 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 02:46:08,961 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-60.i[917,930] [2025-03-17 02:46:08,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:46:09,001 INFO L204 MainTranslator]: Completed translation [2025-03-17 02:46:09,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09 WrapperNode [2025-03-17 02:46:09,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 02:46:09,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 02:46:09,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 02:46:09,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 02:46:09,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,035 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-03-17 02:46:09,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 02:46:09,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 02:46:09,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 02:46:09,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 02:46:09,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,055 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]. [2025-03-17 02:46:09,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,063 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 02:46:09,070 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 02:46:09,070 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 02:46:09,070 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 02:46:09,072 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (1/1) ... [2025-03-17 02:46:09,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:46:09,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:46:09,095 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) [2025-03-17 02:46:09,098 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 [2025-03-17 02:46:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 02:46:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 02:46:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 02:46:09,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 02:46:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 02:46:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 02:46:09,181 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 02:46:09,183 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 02:46:15,219 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 02:46:15,220 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 02:46:15,226 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 02:46:15,227 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 02:46:15,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:46:15 BoogieIcfgContainer [2025-03-17 02:46:15,227 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 02:46:15,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 02:46:15,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 02:46:15,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 02:46:15,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:46:08" (1/3) ... [2025-03-17 02:46:15,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a9f83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:46:15, skipping insertion in model container [2025-03-17 02:46:15,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:46:09" (2/3) ... [2025-03-17 02:46:15,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a9f83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:46:15, skipping insertion in model container [2025-03-17 02:46:15,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:46:15" (3/3) ... [2025-03-17 02:46:15,238 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-60.i [2025-03-17 02:46:15,248 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 02:46:15,250 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-60.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 02:46:15,283 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 02:46:15,290 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;@2c4b312e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 02:46:15,290 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 02:46:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 02:46:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 02:46:15,299 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:46:15,299 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:46:15,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:46:15,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:46:15,302 INFO L85 PathProgramCache]: Analyzing trace with hash 240839220, now seen corresponding path program 1 times [2025-03-17 02:46:15,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 02:46:15,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705437571] [2025-03-17 02:46:15,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:46:15,310 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 [2025-03-17 02:46:15,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 02:46:15,312 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) [2025-03-17 02:46:15,314 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 [2025-03-17 02:46:15,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 02:46:15,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 02:46:15,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:46:15,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:46:15,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 02:46:15,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:46:15,726 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-17 02:46:15,726 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 02:46:15,727 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 02:46:15,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705437571] [2025-03-17 02:46:15,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705437571] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 02:46:15,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 02:46:15,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 02:46:15,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845231467] [2025-03-17 02:46:15,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 02:46:15,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 02:46:15,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 02:46:15,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 02:46:15,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:46:15,749 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2025-03-17 02:46:15,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 02:46:15,762 INFO L93 Difference]: Finished difference Result 93 states and 155 transitions. [2025-03-17 02:46:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 02:46:15,763 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 96 [2025-03-17 02:46:15,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 02:46:15,767 INFO L225 Difference]: With dead ends: 93 [2025-03-17 02:46:15,767 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 02:46:15,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:46:15,771 INFO L435 NwaCegarLoop]: 67 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, 67 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 [2025-03-17 02:46:15,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 02:46:15,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 02:46:15,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 02:46:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 02:46:15,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 67 transitions. [2025-03-17 02:46:15,800 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 67 transitions. Word has length 96 [2025-03-17 02:46:15,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 02:46:15,800 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 67 transitions. [2025-03-17 02:46:15,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2025-03-17 02:46:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2025-03-17 02:46:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 02:46:15,803 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:46:15,803 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:46:15,816 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 [2025-03-17 02:46:16,003 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 [2025-03-17 02:46:16,004 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:46:16,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:46:16,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1464926579, now seen corresponding path program 1 times [2025-03-17 02:46:16,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 02:46:16,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482372505] [2025-03-17 02:46:16,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:46:16,005 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 [2025-03-17 02:46:16,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 02:46:16,008 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) [2025-03-17 02:46:16,009 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 [2025-03-17 02:46:16,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 02:46:16,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 02:46:16,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:46:16,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:46:16,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-17 02:46:16,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:47:37,323 WARN L286 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)