./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-39.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fadbea4ce4d051fd90ea075ad07b7ac800688b213e3e7ee6ba3c0fda07bc228 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:35:43,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:35:43,054 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 13:35:43,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:35:43,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:35:43,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:35:43,085 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:35:43,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:35:43,085 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:35:43,085 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:35:43,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:35:43,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:35:43,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:35:43,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:35:43,086 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:35:43,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:35:43,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:35:43,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:35:43,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:35:43,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:35:43,087 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:35:43,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:35:43,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 13:35:43,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 13:35:43,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:35:43,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:35:43,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:35:43,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:35:43,087 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 -> 0fadbea4ce4d051fd90ea075ad07b7ac800688b213e3e7ee6ba3c0fda07bc228 [2025-03-08 13:35:43,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:35:43,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:35:43,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:35:43,319 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:35:43,319 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:35:43,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i [2025-03-08 13:35:44,464 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e7bd932/744fdf347a834f81a56f3ab8ac199fe3/FLAGf2fbf2489 [2025-03-08 13:35:44,706 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:35:44,709 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i [2025-03-08 13:35:44,719 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e7bd932/744fdf347a834f81a56f3ab8ac199fe3/FLAGf2fbf2489 [2025-03-08 13:35:45,031 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e7bd932/744fdf347a834f81a56f3ab8ac199fe3 [2025-03-08 13:35:45,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:35:45,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:35:45,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:35:45,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:35:45,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:35:45,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f887bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45, skipping insertion in model container [2025-03-08 13:35:45,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:35:45,152 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i[917,930] [2025-03-08 13:35:45,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:35:45,211 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:35:45,219 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i[917,930] [2025-03-08 13:35:45,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:35:45,259 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:35:45,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45 WrapperNode [2025-03-08 13:35:45,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:35:45,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:35:45,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:35:45,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:35:45,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,297 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2025-03-08 13:35:45,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:35:45,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:35:45,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:35:45,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:35:45,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,313 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,328 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 13:35:45,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,332 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:35:45,335 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:35:45,335 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:35:45,335 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:35:45,336 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (1/1) ... [2025-03-08 13:35:45,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:35:45,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:35:45,365 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 13:35:45,366 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 13:35:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:35:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:35:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:35:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 13:35:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:35:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:35:45,432 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:35:45,433 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:35:45,628 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L89: havoc property_#t~bitwise14#1;havoc property_#t~short15#1; [2025-03-08 13:35:45,661 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-08 13:35:45,662 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:35:45,676 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:35:45,677 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:35:45,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:35:45 BoogieIcfgContainer [2025-03-08 13:35:45,677 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:35:45,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:35:45,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:35:45,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:35:45,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:35:45" (1/3) ... [2025-03-08 13:35:45,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e12203f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:35:45, skipping insertion in model container [2025-03-08 13:35:45,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:45" (2/3) ... [2025-03-08 13:35:45,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e12203f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:35:45, skipping insertion in model container [2025-03-08 13:35:45,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:35:45" (3/3) ... [2025-03-08 13:35:45,685 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-39.i [2025-03-08 13:35:45,695 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:35:45,697 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-39.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:35:45,738 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:35:45,749 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;@461f0e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:35:45,749 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:35:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-08 13:35:45,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-08 13:35:45,760 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:35:45,760 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:35:45,761 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:35:45,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:35:45,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1919820165, now seen corresponding path program 1 times [2025-03-08 13:35:45,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:35:45,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312373558] [2025-03-08 13:35:45,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:35:45,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:35:45,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-08 13:35:45,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-08 13:35:45,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:35:45,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:35:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-03-08 13:35:45,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:35:45,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312373558] [2025-03-08 13:35:45,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312373558] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 13:35:45,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743884290] [2025-03-08 13:35:45,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:35:45,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 13:35:45,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:35:45,931 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 13:35:45,932 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 13:35:45,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-08 13:35:46,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-08 13:35:46,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:35:46,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:35:46,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:35:46,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:35:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-03-08 13:35:46,071 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:35:46,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743884290] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:35:46,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 13:35:46,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 13:35:46,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306707309] [2025-03-08 13:35:46,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:35:46,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:35:46,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:35:46,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:35:46,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:35:46,093 INFO L87 Difference]: Start difference. First operand has 55 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-08 13:35:46,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:35:46,114 INFO L93 Difference]: Finished difference Result 104 states and 169 transitions. [2025-03-08 13:35:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:35:46,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2025-03-08 13:35:46,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:35:46,119 INFO L225 Difference]: With dead ends: 104 [2025-03-08 13:35:46,119 INFO L226 Difference]: Without dead ends: 52 [2025-03-08 13:35:46,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:35:46,123 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:35:46,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:35:46,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-03-08 13:35:46,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-03-08 13:35:46,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-08 13:35:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2025-03-08 13:35:46,154 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 104 [2025-03-08 13:35:46,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:35:46,154 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions. [2025-03-08 13:35:46,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-08 13:35:46,155 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2025-03-08 13:35:46,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-08 13:35:46,157 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:35:46,157 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:35:46,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 13:35:46,358 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 13:35:46,358 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:35:46,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:35:46,360 INFO L85 PathProgramCache]: Analyzing trace with hash -308363255, now seen corresponding path program 1 times [2025-03-08 13:35:46,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:35:46,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375854360] [2025-03-08 13:35:46,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:35:46,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:35:46,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-08 13:35:46,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-08 13:35:46,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:35:46,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:35:47,342 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-08 13:35:47,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:35:47,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375854360] [2025-03-08 13:35:47,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375854360] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:35:47,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:35:47,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 13:35:47,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627565651] [2025-03-08 13:35:47,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:35:47,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 13:35:47,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:35:47,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 13:35:47,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-08 13:35:47,345 INFO L87 Difference]: Start difference. First operand 52 states and 74 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2025-03-08 13:35:47,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:35:47,633 INFO L93 Difference]: Finished difference Result 121 states and 170 transitions. [2025-03-08 13:35:47,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 13:35:47,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2025-03-08 13:35:47,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:35:47,635 INFO L225 Difference]: With dead ends: 121 [2025-03-08 13:35:47,635 INFO L226 Difference]: Without dead ends: 72 [2025-03-08 13:35:47,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-08 13:35:47,636 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 54 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 13:35:47,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 291 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 13:35:47,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-03-08 13:35:47,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 59. [2025-03-08 13:35:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 41 states have internal predecessors, (52), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-08 13:35:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 84 transitions. [2025-03-08 13:35:47,643 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 84 transitions. Word has length 104 [2025-03-08 13:35:47,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:35:47,644 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 84 transitions. [2025-03-08 13:35:47,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2025-03-08 13:35:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2025-03-08 13:35:47,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-08 13:35:47,645 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:35:47,645 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:35:47,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 13:35:47,645 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:35:47,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:35:47,646 INFO L85 PathProgramCache]: Analyzing trace with hash 823530688, now seen corresponding path program 1 times [2025-03-08 13:35:47,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:35:47,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67353379] [2025-03-08 13:35:47,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:35:47,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:35:47,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-08 13:35:47,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-08 13:35:47,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:35:47,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:35:47,701 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 13:35:47,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-08 13:35:47,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-08 13:35:47,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:35:47,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:35:47,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 13:35:47,769 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 13:35:47,770 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 13:35:47,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 13:35:47,774 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 13:35:47,832 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 13:35:47,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 01:35:47 BoogieIcfgContainer [2025-03-08 13:35:47,834 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 13:35:47,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 13:35:47,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 13:35:47,839 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 13:35:47,840 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:35:45" (3/4) ... [2025-03-08 13:35:47,841 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 13:35:47,842 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 13:35:47,843 INFO L158 Benchmark]: Toolchain (without parser) took 2808.16ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 96.9MB in the end (delta: 26.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2025-03-08 13:35:47,843 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:35:47,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.27ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 110.3MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 13:35:47,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.61ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 108.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:35:47,844 INFO L158 Benchmark]: Boogie Preprocessor took 32.57ms. Allocated memory is still 167.8MB. Free memory was 108.4MB in the beginning and 106.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:35:47,844 INFO L158 Benchmark]: IcfgBuilder took 341.84ms. Allocated memory is still 167.8MB. Free memory was 106.5MB in the beginning and 89.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 13:35:47,844 INFO L158 Benchmark]: TraceAbstraction took 2155.59ms. Allocated memory is still 167.8MB. Free memory was 88.8MB in the beginning and 96.9MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:35:47,844 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 167.8MB. Free memory was 96.9MB in the beginning and 96.9MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:35:47,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.27ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 110.3MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.61ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 108.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.57ms. Allocated memory is still 167.8MB. Free memory was 108.4MB in the beginning and 106.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 341.84ms. Allocated memory is still 167.8MB. Free memory was 106.5MB in the beginning and 89.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2155.59ms. Allocated memory is still 167.8MB. Free memory was 88.8MB in the beginning and 96.9MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 167.8MB. Free memory was 96.9MB in the beginning and 96.9MB in the end (delta: 33.1kB). 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 77, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 39, overapproximation of someBinaryFLOATComparisonOperation at line 89. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -5; [L23] signed short int var_1_2 = 0; [L24] signed short int var_1_3 = 1000; [L25] signed short int var_1_4 = 10; [L26] signed short int var_1_5 = 32; [L27] signed long int var_1_6 = 5; [L28] float var_1_7 = 1.1; [L29] float var_1_8 = 7.8; [L30] float var_1_9 = 1.75; [L31] signed long int var_1_10 = 32; [L32] unsigned char var_1_11 = 64; [L33] signed long int var_1_12 = 1230482582; VAL [isInitial=0, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] FCALL updateLastVariables() [L97] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_short() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L62] CALL assume_abort_if_not(var_1_2 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L62] RET assume_abort_if_not(var_1_2 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L63] var_1_3 = __VERIFIER_nondet_short() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L65] CALL assume_abort_if_not(var_1_3 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L65] RET assume_abort_if_not(var_1_3 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L66] var_1_4 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L67] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L68] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L68] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L69] var_1_5 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L71] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L71] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L72] var_1_7 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_8=39/5, var_1_9=7/4] [L73] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_8=39/5, var_1_9=7/4] [L74] var_1_8 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_9=7/4] [L75] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5, var_1_9=7/4] [L76] var_1_9 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L77] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L79] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L80] CALL assume_abort_if_not(var_1_11 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L80] RET assume_abort_if_not(var_1_11 <= 255) VAL [isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L81] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L81] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1230482582, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L82] var_1_12 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L83] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L84] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L84] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L97] RET updateVariables() [L98] CALL step() [L37] var_1_1 = ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L38] COND TRUE var_1_2 >= var_1_1 VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=5] [L39] COND TRUE ((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9 [L40] var_1_6 = var_1_3 VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=0] [L47] EXPR var_1_4 << var_1_2 VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=0] [L47] signed long int stepLocal_1 = var_1_6 + (var_1_4 << var_1_2); [L48] signed long int stepLocal_0 = var_1_2 - (var_1_12 - var_1_5); VAL [isInitial=1, stepLocal_0=-1073741806, stepLocal_1=17, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=0] [L49] COND FALSE !(stepLocal_1 != var_1_5) [L56] var_1_10 = var_1_2 VAL [isInitial=1, stepLocal_0=-1073741806, var_1_10=0, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=0] [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR ((var_1_1 == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))))) && ((var_1_2 >= var_1_1) ? ((((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) ? (var_1_6 == ((signed long int) var_1_3)) : (var_1_6 == ((signed long int) var_1_1))) : (var_1_6 == ((signed long int) var_1_4)))) && (((var_1_6 + (var_1_4 << var_1_2)) != var_1_5) ? (((var_1_3 / var_1_11) < (var_1_2 - (var_1_12 - var_1_5))) ? (var_1_10 == ((signed long int) ((((-256) < (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2)))))))) ? (-256) : (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))))))))) : (var_1_10 == ((signed long int) var_1_4))) : (var_1_10 == ((signed long int) var_1_2))) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=0] [L89-L90] return ((var_1_1 == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))))) && ((var_1_2 >= var_1_1) ? ((((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) ? (var_1_6 == ((signed long int) var_1_3)) : (var_1_6 == ((signed long int) var_1_1))) : (var_1_6 == ((signed long int) var_1_4)))) && (((var_1_6 + (var_1_4 << var_1_2)) != var_1_5) ? (((var_1_3 / var_1_11) < (var_1_2 - (var_1_12 - var_1_5))) ? (var_1_10 == ((signed long int) ((((-256) < (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2)))))))) ? (-256) : (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))))))))) : (var_1_10 == ((signed long int) var_1_4))) : (var_1_10 == ((signed long int) var_1_2))) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1073741823, var_1_1=-1, var_1_2=0, var_1_3=0, var_1_4=17, var_1_5=17, var_1_6=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 95 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 363 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 225 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 123 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 138 mSDtfsCounter, 123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=2, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 417 NumberOfCodeBlocks, 417 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 1561 SizeOfPredicates, 0 NumberOfNonLiveVariables, 240 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1410/1440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 13:35:47,858 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-39.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fadbea4ce4d051fd90ea075ad07b7ac800688b213e3e7ee6ba3c0fda07bc228 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:35:49,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:35:49,675 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 13:35:49,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:35:49,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:35:49,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:35:49,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:35:49,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:35:49,722 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:35:49,722 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:35:49,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:35:49,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:35:49,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:35:49,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:35:49,722 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:35:49,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:35:49,723 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:35:49,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:35:49,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:35:49,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:35:49,724 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:35:49,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:35:49,724 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 13:35:49,724 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 13:35:49,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:35:49,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:35:49,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:35:49,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:35:49,724 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 -> 0fadbea4ce4d051fd90ea075ad07b7ac800688b213e3e7ee6ba3c0fda07bc228 [2025-03-08 13:35:49,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:35:49,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:35:49,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:35:49,961 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:35:49,961 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:35:49,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i [2025-03-08 13:35:51,105 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea987294/b526729960ae4ed5b3271675b669e8ec/FLAG825dc8d8f [2025-03-08 13:35:51,315 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:35:51,316 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i [2025-03-08 13:35:51,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea987294/b526729960ae4ed5b3271675b669e8ec/FLAG825dc8d8f [2025-03-08 13:35:51,676 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea987294/b526729960ae4ed5b3271675b669e8ec [2025-03-08 13:35:51,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:35:51,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:35:51,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:35:51,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:35:51,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:35:51,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab6e30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51, skipping insertion in model container [2025-03-08 13:35:51,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:35:51,787 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i[917,930] [2025-03-08 13:35:51,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:35:51,838 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:35:51,845 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-39.i[917,930] [2025-03-08 13:35:51,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:35:51,876 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:35:51,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51 WrapperNode [2025-03-08 13:35:51,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:35:51,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:35:51,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:35:51,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:35:51,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,900 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2025-03-08 13:35:51,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:35:51,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:35:51,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:35:51,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:35:51,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,910 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,919 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 13:35:51,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,925 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:35:51,934 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:35:51,934 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:35:51,934 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:35:51,934 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (1/1) ... [2025-03-08 13:35:51,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:35:51,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:35:51,962 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 13:35:51,965 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 13:35:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:35:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 13:35:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:35:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:35:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:35:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:35:52,046 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:35:52,048 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:35:52,466 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-08 13:35:52,466 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:35:52,473 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:35:52,475 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:35:52,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:35:52 BoogieIcfgContainer [2025-03-08 13:35:52,475 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:35:52,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:35:52,478 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:35:52,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:35:52,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:35:51" (1/3) ... [2025-03-08 13:35:52,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0f3609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:35:52, skipping insertion in model container [2025-03-08 13:35:52,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:35:51" (2/3) ... [2025-03-08 13:35:52,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0f3609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:35:52, skipping insertion in model container [2025-03-08 13:35:52,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:35:52" (3/3) ... [2025-03-08 13:35:52,485 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-39.i [2025-03-08 13:35:52,496 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:35:52,497 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-39.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:35:52,544 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:35:52,555 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;@6a61500d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:35:52,556 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:35:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-08 13:35:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-08 13:35:52,567 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:35:52,567 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:35:52,567 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:35:52,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:35:52,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1321987164, now seen corresponding path program 1 times [2025-03-08 13:35:52,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:35:52,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968802989] [2025-03-08 13:35:52,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:35:52,578 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 13:35:52,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:35:52,581 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 13:35:52,582 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 13:35:52,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-08 13:35:52,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-08 13:35:52,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:35:52,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:35:52,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:35:52,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:35:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2025-03-08 13:35:52,793 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:35:52,793 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 13:35:52,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968802989] [2025-03-08 13:35:52,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968802989] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:35:52,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:35:52,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 13:35:52,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450532905] [2025-03-08 13:35:52,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:35:52,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:35:52,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 13:35:52,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:35:52,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:35:52,815 INFO L87 Difference]: Start difference. First operand has 48 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-08 13:35:52,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:35:52,835 INFO L93 Difference]: Finished difference Result 90 states and 149 transitions. [2025-03-08 13:35:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:35:52,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 101 [2025-03-08 13:35:52,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:35:52,842 INFO L225 Difference]: With dead ends: 90 [2025-03-08 13:35:52,842 INFO L226 Difference]: Without dead ends: 45 [2025-03-08 13:35:52,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:35:52,847 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:35:52,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:35:52,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-03-08 13:35:52,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-03-08 13:35:52,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-08 13:35:52,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2025-03-08 13:35:52,893 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 101 [2025-03-08 13:35:52,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:35:52,895 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2025-03-08 13:35:52,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-08 13:35:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2025-03-08 13:35:52,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-08 13:35:52,898 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:35:52,899 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:35:52,906 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 13:35:53,103 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 13:35:53,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:35:53,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:35:53,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1238401960, now seen corresponding path program 1 times [2025-03-08 13:35:53,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:35:53,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533899923] [2025-03-08 13:35:53,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:35:53,105 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 13:35:53,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:35:53,108 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 13:35:53,109 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 13:35:53,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-08 13:35:53,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-08 13:35:53,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:35:53,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:35:53,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-08 13:35:53,284 INFO L279 TraceCheckSpWp]: Computing forward predicates...