./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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-65.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 34060a1409d8254be36e4d20a98f8f130e1eaa35e89fcb0e546b71a47720fa1d --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 22:27:10,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 22:27:10,055 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 22:27:10,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 22:27:10,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 22:27:10,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 22:27:10,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 22:27:10,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 22:27:10,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 22:27:10,091 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 22:27:10,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 22:27:10,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 22:27:10,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 22:27:10,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 22:27:10,092 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 22:27:10,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 22:27:10,093 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 22:27:10,094 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 22:27:10,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 22:27:10,094 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 22:27:10,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 22:27:10,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:27:10,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 22:27:10,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 22:27:10,094 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 22:27:10,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 22:27:10,095 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 22:27:10,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 22:27:10,095 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 22:27:10,095 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 22:27:10,095 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 22:27:10,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 22:27:10,095 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 -> 34060a1409d8254be36e4d20a98f8f130e1eaa35e89fcb0e546b71a47720fa1d [2025-03-03 22:27:10,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 22:27:10,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 22:27:10,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 22:27:10,318 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 22:27:10,318 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 22:27:10,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-03 22:27:11,505 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c539884dc/f5a6607141164497877d5066dd2a1048/FLAGd9a511789 [2025-03-03 22:27:11,756 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 22:27:11,756 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-03 22:27:11,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c539884dc/f5a6607141164497877d5066dd2a1048/FLAGd9a511789 [2025-03-03 22:27:12,079 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c539884dc/f5a6607141164497877d5066dd2a1048 [2025-03-03 22:27:12,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 22:27:12,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 22:27:12,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 22:27:12,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 22:27:12,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 22:27:12,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300332b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12, skipping insertion in model container [2025-03-03 22:27:12,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,097 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 22:27:12,193 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-65.i[917,930] [2025-03-03 22:27:12,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:27:12,253 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 22:27:12,263 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-65.i[917,930] [2025-03-03 22:27:12,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:27:12,299 INFO L204 MainTranslator]: Completed translation [2025-03-03 22:27:12,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12 WrapperNode [2025-03-03 22:27:12,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 22:27:12,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 22:27:12,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 22:27:12,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 22:27:12,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,340 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2025-03-03 22:27:12,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 22:27:12,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 22:27:12,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 22:27:12,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 22:27:12,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,363 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]. [2025-03-03 22:27:12,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,371 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 22:27:12,382 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 22:27:12,382 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 22:27:12,382 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 22:27:12,384 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (1/1) ... [2025-03-03 22:27:12,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:27:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:27:12,411 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) [2025-03-03 22:27:12,414 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 [2025-03-03 22:27:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 22:27:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 22:27:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 22:27:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 22:27:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 22:27:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 22:27:12,481 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 22:27:12,483 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 22:27:12,643 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-03 22:27:12,643 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 22:27:12,650 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 22:27:12,650 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 22:27:12,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:27:12 BoogieIcfgContainer [2025-03-03 22:27:12,651 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 22:27:12,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 22:27:12,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 22:27:12,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 22:27:12,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 10:27:12" (1/3) ... [2025-03-03 22:27:12,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210f205c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:27:12, skipping insertion in model container [2025-03-03 22:27:12,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:12" (2/3) ... [2025-03-03 22:27:12,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210f205c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:27:12, skipping insertion in model container [2025-03-03 22:27:12,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:27:12" (3/3) ... [2025-03-03 22:27:12,657 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-03 22:27:12,667 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 22:27:12,669 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-65.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 22:27:12,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 22:27:12,715 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;@977c489, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 22:27:12,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 22:27:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-03 22:27:12,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-03 22:27:12,726 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:27:12,726 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:27:12,726 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:27:12,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:27:12,731 INFO L85 PathProgramCache]: Analyzing trace with hash 740657546, now seen corresponding path program 1 times [2025-03-03 22:27:12,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 22:27:12,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970760205] [2025-03-03 22:27:12,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:27:12,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 22:27:12,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-03 22:27:12,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-03 22:27:12,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:27:12,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:27:12,932 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2025-03-03 22:27:12,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 22:27:12,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970760205] [2025-03-03 22:27:12,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970760205] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 22:27:12,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116622252] [2025-03-03 22:27:12,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:27:12,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 22:27:12,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:27:12,939 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) [2025-03-03 22:27:12,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 22:27:12,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-03 22:27:13,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-03 22:27:13,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:27:13,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:27:13,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 22:27:13,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:27:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2025-03-03 22:27:13,056 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 22:27:13,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116622252] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 22:27:13,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 22:27:13,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-03 22:27:13,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131598221] [2025-03-03 22:27:13,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 22:27:13,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 22:27:13,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 22:27:13,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 22:27:13,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:27:13,081 INFO L87 Difference]: Start difference. First operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-03 22:27:13,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 22:27:13,100 INFO L93 Difference]: Finished difference Result 82 states and 130 transitions. [2025-03-03 22:27:13,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 22:27:13,102 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2025-03-03 22:27:13,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 22:27:13,107 INFO L225 Difference]: With dead ends: 82 [2025-03-03 22:27:13,107 INFO L226 Difference]: Without dead ends: 41 [2025-03-03 22:27:13,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:27:13,113 INFO L435 NwaCegarLoop]: 57 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, 57 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 [2025-03-03 22:27:13,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 22:27:13,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-03-03 22:27:13,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-03-03 22:27:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-03 22:27:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2025-03-03 22:27:13,144 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 77 [2025-03-03 22:27:13,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 22:27:13,145 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2025-03-03 22:27:13,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-03 22:27:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2025-03-03 22:27:13,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-03 22:27:13,148 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:27:13,148 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:27:13,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-03 22:27:13,349 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 [2025-03-03 22:27:13,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:27:13,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:27:13,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1844490897, now seen corresponding path program 1 times [2025-03-03 22:27:13,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 22:27:13,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592009016] [2025-03-03 22:27:13,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:27:13,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 22:27:13,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-03 22:27:13,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-03 22:27:13,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:27:13,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:27:13,433 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 22:27:13,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-03 22:27:13,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-03 22:27:13,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:27:13,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:27:13,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 22:27:13,562 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 22:27:13,563 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 22:27:13,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 22:27:13,567 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 22:27:13,604 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 22:27:13,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 10:27:13 BoogieIcfgContainer [2025-03-03 22:27:13,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 22:27:13,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 22:27:13,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 22:27:13,607 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 22:27:13,608 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:27:12" (3/4) ... [2025-03-03 22:27:13,609 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 22:27:13,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 22:27:13,611 INFO L158 Benchmark]: Toolchain (without parser) took 1528.70ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 41.8MB in the end (delta: 81.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2025-03-03 22:27:13,611 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:27:13,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.95ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 110.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 22:27:13,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.95ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 22:27:13,612 INFO L158 Benchmark]: Boogie Preprocessor took 36.50ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 106.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:27:13,612 INFO L158 Benchmark]: IcfgBuilder took 268.83ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 92.1MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 22:27:13,612 INFO L158 Benchmark]: TraceAbstraction took 954.20ms. Allocated memory is still 167.8MB. Free memory was 91.1MB in the beginning and 41.8MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-03 22:27:13,612 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 167.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:27:13,613 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.95ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 110.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.95ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.50ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 106.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 268.83ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 92.1MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 954.20ms. Allocated memory is still 167.8MB. Free memory was 91.1MB in the beginning and 41.8MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 167.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 52, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someUnaryFLOAToperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 1000000000.1; [L23] unsigned char var_1_3 = 1; [L24] float var_1_4 = 8.2; [L25] signed long int var_1_5 = -32; [L26] double var_1_9 = 100.5; [L27] double var_1_12 = 25.25; [L28] double var_1_13 = 63.6; [L29] double var_1_14 = 0.0; [L30] double var_1_15 = 0.8; [L31] signed char var_1_16 = -8; [L32] signed char var_1_17 = 8; [L33] unsigned short int var_1_18 = 2; [L34] unsigned short int var_1_19 = 50; [L35] unsigned short int var_1_20 = 0; [L36] double last_1_var_1_9 = 100.5; VAL [isInitial=0, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] CALL updateLastVariables() [L85] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L95] RET updateLastVariables() [L96] CALL updateVariables() [L64] var_1_3 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L65] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L66] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L66] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L67] var_1_4 = __VERIFIER_nondet_float() [L68] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L68] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L69] var_1_12 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L70] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L71] var_1_13 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L72] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L73] var_1_14 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L74] RET assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L75] var_1_15 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L76] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L77] var_1_17 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L78] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L79] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L79] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L80] var_1_19 = __VERIFIER_nondet_ushort() [L81] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L81] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L82] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L82] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L96] RET updateVariables() [L97] CALL step() [L40] COND FALSE !(0.625f > last_1_var_1_9) [L45] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=1000000005, var_1_20=0, var_1_3=1, var_1_4=1000000005, var_1_5=-32, var_1_9=201/2] [L47] var_1_16 = var_1_17 [L48] var_1_18 = var_1_19 [L49] var_1_20 = var_1_19 VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-32, var_1_9=201/2] [L50] COND TRUE \read(var_1_3) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-32, var_1_9=201/2] [L51] COND TRUE var_1_20 >= ((var_1_18 - var_1_20) * 64) [L52] var_1_9 = (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-32] [L59] COND TRUE var_1_4 > var_1_9 [L60] var_1_5 = (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return ((((((0.625f > last_1_var_1_9) ? (var_1_3 ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) : (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && ((var_1_4 > var_1_9) ? (var_1_5 == ((signed long int) (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)))) : 1)) && (var_1_3 ? ((var_1_20 >= ((var_1_18 - var_1_20) * 64)) ? (var_1_9 == ((double) (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13))) : 1) : ((var_1_1 <= var_1_1) ? (var_1_9 == ((double) (var_1_13 - (var_1_14 - var_1_15)))) : 1))) && (var_1_16 == ((signed char) var_1_17))) && (var_1_18 == ((unsigned short int) var_1_19))) && (var_1_20 == ((unsigned short int) var_1_19)) ; VAL [\result=0, isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 57 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 194 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 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 [2025-03-03 22:27:13,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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-65.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 34060a1409d8254be36e4d20a98f8f130e1eaa35e89fcb0e546b71a47720fa1d --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 22:27:15,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 22:27:15,546 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 22:27:15,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 22:27:15,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 22:27:15,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 22:27:15,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 22:27:15,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 22:27:15,573 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 22:27:15,573 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 22:27:15,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 22:27:15,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 22:27:15,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 22:27:15,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 22:27:15,573 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 22:27:15,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 22:27:15,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 22:27:15,573 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 22:27:15,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 22:27:15,574 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:27:15,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 22:27:15,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 22:27:15,575 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 22:27:15,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 22:27:15,575 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 22:27:15,575 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 22:27:15,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 22:27:15,575 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 22:27:15,575 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 22:27:15,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 22:27:15,575 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 -> 34060a1409d8254be36e4d20a98f8f130e1eaa35e89fcb0e546b71a47720fa1d [2025-03-03 22:27:15,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 22:27:15,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 22:27:15,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 22:27:15,843 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 22:27:15,843 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 22:27:15,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-03 22:27:17,003 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02523d37f/75c53ed2be22497e822b8a06bdeec7cc/FLAG987fc76d6 [2025-03-03 22:27:17,230 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 22:27:17,230 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-03 22:27:17,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02523d37f/75c53ed2be22497e822b8a06bdeec7cc/FLAG987fc76d6 [2025-03-03 22:27:17,573 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02523d37f/75c53ed2be22497e822b8a06bdeec7cc [2025-03-03 22:27:17,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 22:27:17,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 22:27:17,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 22:27:17,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 22:27:17,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 22:27:17,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a4ece1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17, skipping insertion in model container [2025-03-03 22:27:17,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 22:27:17,685 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-65.i[917,930] [2025-03-03 22:27:17,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:27:17,727 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 22:27:17,734 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-65.i[917,930] [2025-03-03 22:27:17,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:27:17,761 INFO L204 MainTranslator]: Completed translation [2025-03-03 22:27:17,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17 WrapperNode [2025-03-03 22:27:17,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 22:27:17,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 22:27:17,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 22:27:17,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 22:27:17,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,800 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2025-03-03 22:27:17,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 22:27:17,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 22:27:17,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 22:27:17,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 22:27:17,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,812 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,826 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]. [2025-03-03 22:27:17,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,838 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 22:27:17,850 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 22:27:17,851 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 22:27:17,851 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 22:27:17,852 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (1/1) ... [2025-03-03 22:27:17,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:27:17,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:27:17,891 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) [2025-03-03 22:27:17,898 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 [2025-03-03 22:27:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 22:27:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 22:27:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 22:27:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 22:27:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 22:27:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 22:27:17,981 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 22:27:17,983 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 22:27:21,919 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-03 22:27:21,919 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 22:27:21,929 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 22:27:21,929 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 22:27:21,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:27:21 BoogieIcfgContainer [2025-03-03 22:27:21,930 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 22:27:21,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 22:27:21,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 22:27:21,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 22:27:21,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 10:27:17" (1/3) ... [2025-03-03 22:27:21,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8ba50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:27:21, skipping insertion in model container [2025-03-03 22:27:21,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:27:17" (2/3) ... [2025-03-03 22:27:21,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8ba50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:27:21, skipping insertion in model container [2025-03-03 22:27:21,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:27:21" (3/3) ... [2025-03-03 22:27:21,937 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-03 22:27:21,946 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 22:27:21,947 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-65.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 22:27:21,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 22:27:21,994 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;@1a982054, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 22:27:21,995 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 22:27:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-03 22:27:22,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-03 22:27:22,004 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:27:22,005 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:27:22,006 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:27:22,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:27:22,010 INFO L85 PathProgramCache]: Analyzing trace with hash 740657546, now seen corresponding path program 1 times [2025-03-03 22:27:22,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 22:27:22,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883520446] [2025-03-03 22:27:22,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:27:22,021 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 [2025-03-03 22:27:22,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 22:27:22,023 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) [2025-03-03 22:27:22,025 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 [2025-03-03 22:27:22,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-03 22:27:22,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-03 22:27:22,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:27:22,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:27:22,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 22:27:22,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:27:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2025-03-03 22:27:22,381 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 22:27:22,382 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 22:27:22,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883520446] [2025-03-03 22:27:22,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883520446] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 22:27:22,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 22:27:22,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 22:27:22,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366911156] [2025-03-03 22:27:22,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 22:27:22,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 22:27:22,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 22:27:22,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 22:27:22,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:27:22,402 INFO L87 Difference]: Start difference. First operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-03 22:27:22,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 22:27:22,417 INFO L93 Difference]: Finished difference Result 82 states and 130 transitions. [2025-03-03 22:27:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 22:27:22,418 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2025-03-03 22:27:22,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 22:27:22,425 INFO L225 Difference]: With dead ends: 82 [2025-03-03 22:27:22,425 INFO L226 Difference]: Without dead ends: 41 [2025-03-03 22:27:22,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:27:22,432 INFO L435 NwaCegarLoop]: 57 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, 57 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 [2025-03-03 22:27:22,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 22:27:22,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-03-03 22:27:22,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-03-03 22:27:22,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-03 22:27:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2025-03-03 22:27:22,465 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 77 [2025-03-03 22:27:22,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 22:27:22,465 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2025-03-03 22:27:22,465 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-03 22:27:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2025-03-03 22:27:22,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-03 22:27:22,468 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:27:22,468 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:27:22,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-03 22:27:22,671 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 [2025-03-03 22:27:22,672 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:27:22,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:27:22,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1844490897, now seen corresponding path program 1 times [2025-03-03 22:27:22,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 22:27:22,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770619126] [2025-03-03 22:27:22,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:27:22,674 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 [2025-03-03 22:27:22,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 22:27:22,678 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) [2025-03-03 22:27:22,692 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 [2025-03-03 22:27:22,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-03 22:27:22,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-03 22:27:22,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:27:22,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:27:23,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-03 22:27:23,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:27:51,595 WARN L286 SmtUtils]: Spent 11.80s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)