./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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-16.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 d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:32:45,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:32:45,906 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 13:32:45,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:32:45,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:32:45,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:32:45,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:32:45,927 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:32:45,928 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:32:45,928 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:32:45,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:32:45,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:32:45,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:32:45,929 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:32:45,930 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:32:45,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:32:45,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:32:45,930 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 -> d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 [2025-03-08 13:32:46,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:32:46,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:32:46,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:32:46,198 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:32:46,198 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:32:46,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2025-03-08 13:32:47,386 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e35c0d8f9/8c9c31fdf20a4e2d8601d5f8c12b3e79/FLAG68aac9dd3 [2025-03-08 13:32:47,609 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:32:47,610 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2025-03-08 13:32:47,631 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e35c0d8f9/8c9c31fdf20a4e2d8601d5f8c12b3e79/FLAG68aac9dd3 [2025-03-08 13:32:47,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e35c0d8f9/8c9c31fdf20a4e2d8601d5f8c12b3e79 [2025-03-08 13:32:47,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:32:47,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:32:47,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:32:47,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:32:47,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:32:47,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:32:47" (1/1) ... [2025-03-08 13:32:47,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e06f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:47, skipping insertion in model container [2025-03-08 13:32:47,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:32:47" (1/1) ... [2025-03-08 13:32:47,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:32:48,088 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-16.i[917,930] [2025-03-08 13:32:48,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:32:48,135 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:32:48,144 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-16.i[917,930] [2025-03-08 13:32:48,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:32:48,179 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:32:48,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48 WrapperNode [2025-03-08 13:32:48,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:32:48,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:32:48,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:32:48,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:32:48,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,215 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2025-03-08 13:32:48,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:32:48,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:32:48,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:32:48,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:32:48,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,226 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,234 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]. [2025-03-08 13:32:48,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,244 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:32:48,251 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:32:48,251 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:32:48,252 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:32:48,252 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (1/1) ... [2025-03-08 13:32:48,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:32:48,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:32:48,275 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) [2025-03-08 13:32:48,277 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 [2025-03-08 13:32:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:32:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:32:48,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:32:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 13:32:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:32:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:32:48,336 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:32:48,337 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:32:48,504 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-08 13:32:48,504 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:32:48,514 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:32:48,514 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:32:48,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:32:48 BoogieIcfgContainer [2025-03-08 13:32:48,514 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:32:48,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:32:48,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:32:48,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:32:48,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:32:47" (1/3) ... [2025-03-08 13:32:48,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3180ec2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:32:48, skipping insertion in model container [2025-03-08 13:32:48,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:32:48" (2/3) ... [2025-03-08 13:32:48,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3180ec2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:32:48, skipping insertion in model container [2025-03-08 13:32:48,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:32:48" (3/3) ... [2025-03-08 13:32:48,525 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-16.i [2025-03-08 13:32:48,537 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:32:48,539 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-16.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:32:48,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:32:48,593 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;@1ed84365, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:32:48,594 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:32:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 13:32:48,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-08 13:32:48,603 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:32:48,604 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:32:48,604 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:32:48,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:32:48,608 INFO L85 PathProgramCache]: Analyzing trace with hash 826561812, now seen corresponding path program 1 times [2025-03-08 13:32:48,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:32:48,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179696550] [2025-03-08 13:32:48,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:32:48,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:32:48,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-08 13:32:48,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-08 13:32:48,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:32:48,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:32:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 18 proven. 96 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2025-03-08 13:32:50,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:32:50,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179696550] [2025-03-08 13:32:50,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179696550] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 13:32:50,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940576265] [2025-03-08 13:32:50,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:32:50,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 13:32:50,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:32:50,069 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) [2025-03-08 13:32:50,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 13:32:50,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-08 13:32:50,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-08 13:32:50,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:32:50,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:32:50,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-08 13:32:50,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:32:50,956 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 312 proven. 96 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2025-03-08 13:32:50,956 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 13:33:08,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940576265] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 13:33:08,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 13:33:08,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 12 [2025-03-08 13:33:08,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594341176] [2025-03-08 13:33:08,425 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 13:33:08,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-08 13:33:08,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:33:08,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-08 13:33:08,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=136, Unknown=1, NotChecked=0, Total=182 [2025-03-08 13:33:08,443 INFO L87 Difference]: Start difference. First operand has 57 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 3 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-03-08 13:33:09,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:33:09,088 INFO L93 Difference]: Finished difference Result 178 states and 310 transitions. [2025-03-08 13:33:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-08 13:33:09,090 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 3 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 129 [2025-03-08 13:33:09,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:33:09,095 INFO L225 Difference]: With dead ends: 178 [2025-03-08 13:33:09,095 INFO L226 Difference]: Without dead ends: 124 [2025-03-08 13:33:09,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=164, Invalid=435, Unknown=1, NotChecked=0, Total=600 [2025-03-08 13:33:09,099 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 88 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 13:33:09,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 265 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 13:33:09,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-03-08 13:33:09,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 109. [2025-03-08 13:33:09,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 62 states have internal predecessors, (73), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-08 13:33:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2025-03-08 13:33:09,142 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 129 [2025-03-08 13:33:09,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:33:09,143 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2025-03-08 13:33:09,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 3 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-03-08 13:33:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2025-03-08 13:33:09,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-08 13:33:09,147 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:33:09,147 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:33:09,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 13:33:09,348 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 [2025-03-08 13:33:09,348 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:33:09,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:33:09,349 INFO L85 PathProgramCache]: Analyzing trace with hash -980892651, now seen corresponding path program 1 times [2025-03-08 13:33:09,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:33:09,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942289213] [2025-03-08 13:33:09,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:33:09,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:33:09,358 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-08 13:33:09,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-08 13:33:09,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:33:09,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-08 13:33:09,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497093772] [2025-03-08 13:33:09,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:33:09,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 13:33:09,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:33:09,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 13:33:09,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 13:33:09,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-08 13:33:09,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-08 13:33:09,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:33:09,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:33:09,477 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 13:33:09,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-08 13:33:09,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-08 13:33:09,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:33:09,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:33:09,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 13:33:09,570 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 13:33:09,571 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 13:33:09,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 13:33:09,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-08 13:33:09,776 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 13:33:09,838 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 13:33:09,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 01:33:09 BoogieIcfgContainer [2025-03-08 13:33:09,842 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 13:33:09,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 13:33:09,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 13:33:09,843 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 13:33:09,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:32:48" (3/4) ... [2025-03-08 13:33:09,845 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 13:33:09,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 13:33:09,847 INFO L158 Benchmark]: Toolchain (without parser) took 21875.99ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 113.2MB in the beginning and 140.5MB in the end (delta: -27.3MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. [2025-03-08 13:33:09,847 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 226.5MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:33:09,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.56ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 100.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 13:33:09,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.49ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 13:33:09,848 INFO L158 Benchmark]: Boogie Preprocessor took 31.85ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:33:09,848 INFO L158 Benchmark]: IcfgBuilder took 262.92ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 79.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 13:33:09,849 INFO L158 Benchmark]: TraceAbstraction took 21324.16ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 78.7MB in the beginning and 140.6MB in the end (delta: -61.8MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2025-03-08 13:33:09,849 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 276.8MB. Free memory was 140.6MB in the beginning and 140.5MB in the end (delta: 54.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:33:09,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 226.5MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.56ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 100.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.49ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.85ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 262.92ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 79.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21324.16ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 78.7MB in the beginning and 140.6MB in the end (delta: -61.8MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 276.8MB. Free memory was 140.6MB in the beginning and 140.5MB in the end (delta: 54.1kB). 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 someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed short int var_1_3 = 4; [L24] signed short int var_1_4 = 256; [L25] unsigned char var_1_5 = 0; [L26] unsigned char var_1_6 = 1; [L27] float var_1_7 = 1000000.8; [L28] float var_1_8 = 3.8; [L29] signed char var_1_9 = 25; [L30] float var_1_10 = 2.75; [L31] signed char var_1_11 = 0; [L32] signed char var_1_12 = 32; [L33] signed char var_1_13 = 2; [L34] signed char var_1_14 = 2; [L35] signed short int var_1_15 = -32; [L36] signed char last_1_var_1_9 = 25; VAL [isInitial=0, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=4, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=4, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L110] RET updateLastVariables() [L111] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_short() [L68] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L68] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L69] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L69] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L70] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L70] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L71] var_1_4 = __VERIFIER_nondet_short() [L72] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L72] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L73] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L73] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L74] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L74] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L75] var_1_5 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L76] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L77] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L77] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L78] var_1_6 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L79] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L80] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L80] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L81] var_1_8 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L82] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L83] var_1_10 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L84] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L85] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L85] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L86] var_1_11 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L87] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L88] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L88] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L89] var_1_12 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_12 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L90] RET assume_abort_if_not(var_1_12 >= 31) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L91] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L91] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L92] var_1_13 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L94] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L94] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L95] var_1_14 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L96] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L97] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L97] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L111] RET updateVariables() [L112] CALL step() [L40] COND FALSE !((last_1_var_1_9 % ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))) <= -1000000) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L43] var_1_7 = var_1_8 [L44] signed char stepLocal_2 = var_1_11; [L45] unsigned char stepLocal_1 = 99999.375 <= var_1_10; VAL [isInitial=1, last_1_var_1_9=25, stepLocal_1=1, stepLocal_2=0, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L46] COND FALSE !(var_1_13 <= stepLocal_2) [L51] var_1_15 = -25 VAL [isInitial=1, last_1_var_1_9=25, stepLocal_1=1, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L53] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_9=25, stepLocal_0=1, stepLocal_1=1, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L54] COND FALSE !(var_1_8 < (var_1_7 / var_1_10)) VAL [isInitial=1, last_1_var_1_9=25, stepLocal_0=1, stepLocal_1=1, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((((last_1_var_1_9 % ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))) <= -1000000) ? (var_1_1 == ((unsigned char) (var_1_5 || var_1_6))) : 1) && (var_1_7 == ((float) var_1_8))) && ((var_1_8 < (var_1_7 / var_1_10)) ? ((var_1_1 || var_1_6) ? (var_1_9 == ((signed char) ((((((var_1_11) > (5)) ? (var_1_11) : (5))) + (var_1_12 - var_1_13)) - var_1_14))) : ((var_1_10 > var_1_8) ? (var_1_9 == ((signed char) var_1_11)) : (var_1_9 == ((signed char) var_1_12)))) : 1)) && ((var_1_13 <= var_1_11) ? (((var_1_8 < var_1_7) && (99999.375 <= var_1_10)) ? (var_1_15 == ((signed short int) (var_1_13 + var_1_14))) : 1) : (var_1_15 == ((signed short int) -25))) ; VAL [\result=0, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 106 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.2s, OverallIterations: 2, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 265 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 207 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 58 mSDtfsCounter, 254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=1, InterpolantAutomatonStates: 16, 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, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 516 NumberOfCodeBlocks, 516 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 1699 SizeOfPredicates, 4 NumberOfNonLiveVariables, 292 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 1488/1680 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 [2025-03-08 13:33:09,992 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-16.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 d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:33:11,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:33:11,720 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 13:33:11,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:33:11,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:33:11,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:33:11,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:33:11,752 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:33:11,752 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:33:11,752 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:33:11,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:33:11,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:33:11,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 13:33:11,753 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:33:11,754 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:33:11,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:33:11,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:33:11,755 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 -> d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 [2025-03-08 13:33:12,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:33:12,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:33:12,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:33:12,010 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:33:12,011 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:33:12,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2025-03-08 13:33:13,200 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e9f8cdb/b37b7121a74d4155ac511679d1543e1e/FLAGd8796a1fb [2025-03-08 13:33:13,403 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:33:13,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2025-03-08 13:33:13,411 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e9f8cdb/b37b7121a74d4155ac511679d1543e1e/FLAGd8796a1fb [2025-03-08 13:33:13,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e9f8cdb/b37b7121a74d4155ac511679d1543e1e [2025-03-08 13:33:13,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:33:13,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:33:13,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:33:13,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:33:13,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:33:13,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:13,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d776e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13, skipping insertion in model container [2025-03-08 13:33:13,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:13,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:33:13,892 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-16.i[917,930] [2025-03-08 13:33:13,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:33:13,936 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:33:13,943 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-16.i[917,930] [2025-03-08 13:33:13,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:33:13,971 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:33:13,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13 WrapperNode [2025-03-08 13:33:13,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:33:13,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:33:13,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:33:13,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:33:13,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:13,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:14,010 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2025-03-08 13:33:14,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:33:14,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:33:14,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:33:14,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:33:14,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:14,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:14,024 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:14,036 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]. [2025-03-08 13:33:14,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:14,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:14,046 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:14,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:14,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:14,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:14,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:33:14,056 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:33:14,056 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:33:14,056 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:33:14,059 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (1/1) ... [2025-03-08 13:33:14,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:33:14,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:33:14,083 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) [2025-03-08 13:33:14,085 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 [2025-03-08 13:33:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:33:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 13:33:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:33:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:33:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:33:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:33:14,151 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:33:14,152 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:33:15,583 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-08 13:33:15,583 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:33:15,592 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:33:15,593 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:33:15,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:33:15 BoogieIcfgContainer [2025-03-08 13:33:15,593 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:33:15,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:33:15,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:33:15,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:33:15,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:33:13" (1/3) ... [2025-03-08 13:33:15,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526b8267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:33:15, skipping insertion in model container [2025-03-08 13:33:15,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:13" (2/3) ... [2025-03-08 13:33:15,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526b8267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:33:15, skipping insertion in model container [2025-03-08 13:33:15,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:33:15" (3/3) ... [2025-03-08 13:33:15,601 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-16.i [2025-03-08 13:33:15,612 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:33:15,614 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-16.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:33:15,664 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:33:15,674 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;@30ac25dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:33:15,674 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:33:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 13:33:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-08 13:33:15,685 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:33:15,686 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:33:15,686 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:33:15,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:33:15,689 INFO L85 PathProgramCache]: Analyzing trace with hash 826561812, now seen corresponding path program 1 times [2025-03-08 13:33:15,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:33:15,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679200006] [2025-03-08 13:33:15,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:33:15,697 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 [2025-03-08 13:33:15,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:33:15,699 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) [2025-03-08 13:33:15,701 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 [2025-03-08 13:33:15,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-08 13:33:15,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-08 13:33:15,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:33:15,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:33:16,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:33:16,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:33:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-03-08 13:33:16,037 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:33:16,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 13:33:16,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679200006] [2025-03-08 13:33:16,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679200006] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:33:16,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:33:16,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 13:33:16,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333267727] [2025-03-08 13:33:16,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:33:16,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:33:16,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 13:33:16,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:33:16,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:33:16,056 INFO L87 Difference]: Start difference. First operand has 57 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2025-03-08 13:33:16,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:33:16,072 INFO L93 Difference]: Finished difference Result 108 states and 186 transitions. [2025-03-08 13:33:16,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:33:16,073 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 129 [2025-03-08 13:33:16,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:33:16,077 INFO L225 Difference]: With dead ends: 108 [2025-03-08 13:33:16,077 INFO L226 Difference]: Without dead ends: 54 [2025-03-08 13:33:16,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:33:16,081 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2025-03-08 13:33:16,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:33:16,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2025-03-08 13:33:16,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2025-03-08 13:33:16,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 13:33:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2025-03-08 13:33:16,119 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 129 [2025-03-08 13:33:16,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:33:16,120 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2025-03-08 13:33:16,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2025-03-08 13:33:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2025-03-08 13:33:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-08 13:33:16,122 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:33:16,122 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:33:16,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-08 13:33:16,324 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 [2025-03-08 13:33:16,325 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:33:16,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:33:16,326 INFO L85 PathProgramCache]: Analyzing trace with hash -980892651, now seen corresponding path program 1 times [2025-03-08 13:33:16,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:33:16,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844615667] [2025-03-08 13:33:16,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:33:16,326 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 [2025-03-08 13:33:16,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:33:16,328 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) [2025-03-08 13:33:16,329 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 [2025-03-08 13:33:16,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-08 13:33:16,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-08 13:33:16,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:33:16,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:33:16,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-08 13:33:16,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:33:42,123 WARN L286 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)