./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.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_fillercode_fillercodesize_normal_file-82.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 0aab9ae01a7a38a350a635198d68a9a3e643f5273a8ff0a796738b0412571b34 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 19:18:32,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 19:18:33,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 19:18:33,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 19:18:33,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 19:18:33,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 19:18:33,060 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 19:18:33,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 19:18:33,061 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 19:18:33,061 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 19:18:33,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 19:18:33,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 19:18:33,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 19:18:33,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 19:18:33,062 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 19:18:33,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 19:18:33,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 19:18:33,062 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 19:18:33,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 19:18:33,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 19:18:33,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 19:18:33,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 19:18:33,063 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 19:18:33,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 19:18:33,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 19:18:33,063 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 -> 0aab9ae01a7a38a350a635198d68a9a3e643f5273a8ff0a796738b0412571b34 [2025-03-03 19:18:33,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 19:18:33,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 19:18:33,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 19:18:33,301 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 19:18:33,301 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 19:18:33,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i [2025-03-03 19:18:34,475 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317b86e16/3d904b423c234afba62598c03cf1756d/FLAG540ef7ff6 [2025-03-03 19:18:34,713 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 19:18:34,713 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i [2025-03-03 19:18:34,719 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317b86e16/3d904b423c234afba62598c03cf1756d/FLAG540ef7ff6 [2025-03-03 19:18:35,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317b86e16/3d904b423c234afba62598c03cf1756d [2025-03-03 19:18:35,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 19:18:35,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 19:18:35,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 19:18:35,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 19:18:35,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 19:18:35,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c494e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35, skipping insertion in model container [2025-03-03 19:18:35,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 19:18:35,163 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_fillercode_fillercodesize_normal_file-82.i[913,926] [2025-03-03 19:18:35,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 19:18:35,222 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 19:18:35,230 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_fillercode_fillercodesize_normal_file-82.i[913,926] [2025-03-03 19:18:35,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 19:18:35,273 INFO L204 MainTranslator]: Completed translation [2025-03-03 19:18:35,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35 WrapperNode [2025-03-03 19:18:35,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 19:18:35,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 19:18:35,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 19:18:35,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 19:18:35,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,323 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2025-03-03 19:18:35,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 19:18:35,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 19:18:35,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 19:18:35,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 19:18:35,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,347 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 19:18:35,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,360 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 19:18:35,367 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 19:18:35,367 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 19:18:35,367 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 19:18:35,368 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (1/1) ... [2025-03-03 19:18:35,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 19:18:35,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 19:18:35,396 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 19:18:35,401 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 19:18:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 19:18:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 19:18:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 19:18:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 19:18:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 19:18:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 19:18:35,476 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 19:18:35,477 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 19:18:35,662 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-03 19:18:35,663 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 19:18:35,669 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 19:18:35,670 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 19:18:35,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 07:18:35 BoogieIcfgContainer [2025-03-03 19:18:35,672 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 19:18:35,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 19:18:35,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 19:18:35,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 19:18:35,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 07:18:35" (1/3) ... [2025-03-03 19:18:35,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55cf49a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 07:18:35, skipping insertion in model container [2025-03-03 19:18:35,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:35" (2/3) ... [2025-03-03 19:18:35,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55cf49a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 07:18:35, skipping insertion in model container [2025-03-03 19:18:35,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 07:18:35" (3/3) ... [2025-03-03 19:18:35,681 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-82.i [2025-03-03 19:18:35,691 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 19:18:35,692 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-82.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 19:18:35,727 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 19:18:35,736 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;@37b85075, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 19:18:35,737 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 19:18:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-03 19:18:35,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-03 19:18:35,751 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 19:18:35,752 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:18:35,752 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 19:18:35,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 19:18:35,757 INFO L85 PathProgramCache]: Analyzing trace with hash 688523504, now seen corresponding path program 1 times [2025-03-03 19:18:35,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 19:18:35,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180852013] [2025-03-03 19:18:35,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 19:18:35,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 19:18:35,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-03 19:18:35,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-03 19:18:35,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 19:18:35,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 19:18:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-03-03 19:18:35,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 19:18:35,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180852013] [2025-03-03 19:18:35,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180852013] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 19:18:35,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195206557] [2025-03-03 19:18:35,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 19:18:35,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 19:18:35,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 19:18:35,959 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 19:18:35,961 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 19:18:36,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-03 19:18:36,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-03 19:18:36,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 19:18:36,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 19:18:36,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 19:18:36,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 19:18:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-03-03 19:18:36,135 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 19:18:36,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195206557] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 19:18:36,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 19:18:36,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-03 19:18:36,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364924334] [2025-03-03 19:18:36,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 19:18:36,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 19:18:36,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 19:18:36,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 19:18:36,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 19:18:36,154 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-03 19:18:36,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 19:18:36,172 INFO L93 Difference]: Finished difference Result 116 states and 195 transitions. [2025-03-03 19:18:36,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 19:18:36,174 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2025-03-03 19:18:36,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 19:18:36,178 INFO L225 Difference]: With dead ends: 116 [2025-03-03 19:18:36,179 INFO L226 Difference]: Without dead ends: 58 [2025-03-03 19:18:36,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 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 19:18:36,185 INFO L435 NwaCegarLoop]: 85 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, 85 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 19:18:36,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 19:18:36,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-03-03 19:18:36,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2025-03-03 19:18:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-03 19:18:36,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2025-03-03 19:18:36,213 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 128 [2025-03-03 19:18:36,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 19:18:36,214 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2025-03-03 19:18:36,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-03 19:18:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2025-03-03 19:18:36,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-03 19:18:36,216 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 19:18:36,216 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:18:36,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-03 19:18:36,420 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 19:18:36,420 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 19:18:36,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 19:18:36,421 INFO L85 PathProgramCache]: Analyzing trace with hash 544487796, now seen corresponding path program 1 times [2025-03-03 19:18:36,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 19:18:36,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700516561] [2025-03-03 19:18:36,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 19:18:36,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 19:18:36,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-03 19:18:36,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-03 19:18:36,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 19:18:36,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 19:18:36,573 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 19:18:36,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-03 19:18:36,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-03 19:18:36,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 19:18:36,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 19:18:36,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 19:18:36,669 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 19:18:36,669 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 19:18:36,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 19:18:36,672 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 19:18:36,744 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 19:18:36,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 07:18:36 BoogieIcfgContainer [2025-03-03 19:18:36,746 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 19:18:36,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 19:18:36,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 19:18:36,747 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 19:18:36,748 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 07:18:35" (3/4) ... [2025-03-03 19:18:36,749 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 19:18:36,749 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 19:18:36,750 INFO L158 Benchmark]: Toolchain (without parser) took 1700.87ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 56.6MB in the end (delta: 48.6MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2025-03-03 19:18:36,750 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 19:18:36,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.53ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 92.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 19:18:36,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.10ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 90.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 19:18:36,751 INFO L158 Benchmark]: Boogie Preprocessor took 42.06ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 88.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 19:18:36,751 INFO L158 Benchmark]: IcfgBuilder took 304.48ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 70.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 19:18:36,751 INFO L158 Benchmark]: TraceAbstraction took 1072.42ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 56.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2025-03-03 19:18:36,751 INFO L158 Benchmark]: Witness Printer took 3.02ms. Allocated memory is still 142.6MB. Free memory was 56.6MB in the beginning and 56.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 19:18:36,753 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.53ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 92.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.10ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 90.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.06ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 88.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 304.48ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 70.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1072.42ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 56.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Witness Printer took 3.02ms. Allocated memory is still 142.6MB. Free memory was 56.6MB in the beginning and 56.6MB in the end (delta: 41.6kB). 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 48, overapproximation of someBinaryArithmeticDOUBLEoperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 127. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] double var_1_4 = 5.5; [L24] float var_1_5 = 49.2; [L25] double var_1_7 = 49.5; [L26] double var_1_8 = 999999999999.4; [L27] double var_1_9 = 255.3; [L28] unsigned char var_1_10 = 1; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_13 = 1; [L31] signed long int var_1_14 = -16; [L32] signed long int var_1_15 = 25; [L33] signed long int var_1_16 = -8; [L34] signed long int var_1_17 = 1000000000; [L35] signed long int var_1_18 = 256; [L36] signed long int var_1_19 = 25; [L37] signed long int var_1_20 = 4; [L38] unsigned char var_1_21 = 1; [L39] unsigned char var_1_22 = 0; [L40] signed long int var_1_23 = 50; [L41] double last_1_var_1_7 = 49.5; [L42] signed long int last_1_var_1_14 = -16; [L43] signed long int last_1_var_1_23 = 50; VAL [isInitial=0, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L122] last_1_var_1_7 = var_1_7 [L123] last_1_var_1_14 = var_1_14 [L124] last_1_var_1_23 = var_1_23 VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L134] RET updateLastVariables() [L135] CALL updateVariables() [L88] var_1_4 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_4 >= 0.0F && 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_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L89] RET assume_abort_if_not((var_1_4 >= 0.0F && 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_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L90] var_1_5 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L91] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L92] var_1_8 = __VERIFIER_nondet_double() [L93] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L93] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L94] var_1_9 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L95] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L96] var_1_11 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L97] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L98] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L98] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L99] var_1_13 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L100] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L101] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L101] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L102] var_1_15 = __VERIFIER_nondet_long() [L103] CALL assume_abort_if_not(var_1_15 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L103] RET assume_abort_if_not(var_1_15 >= -1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L104] CALL assume_abort_if_not(var_1_15 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L104] RET assume_abort_if_not(var_1_15 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L105] var_1_17 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L106] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L107] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L107] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L108] var_1_18 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L109] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L110] CALL assume_abort_if_not(var_1_18 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L110] RET assume_abort_if_not(var_1_18 <= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L111] var_1_19 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L112] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L113] CALL assume_abort_if_not(var_1_19 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L113] RET assume_abort_if_not(var_1_19 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L114] var_1_20 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L115] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L116] CALL assume_abort_if_not(var_1_20 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L116] RET assume_abort_if_not(var_1_20 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L117] var_1_22 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L118] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L119] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L119] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L135] RET updateVariables() [L136] CALL step() [L47] var_1_23 = last_1_var_1_14 [L48] var_1_7 = (var_1_4 - (var_1_8 + var_1_9)) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=1, var_1_23=-16] [L49] COND TRUE var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9)))) [L50] var_1_16 = ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-16, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=1, var_1_23=-16] [L56] signed long int stepLocal_0 = var_1_23; VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, stepLocal_0=-16, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-16, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_1=54/5, var_1_20=536871027, var_1_21=1, var_1_22=1, var_1_23=-16] [L57] COND TRUE stepLocal_0 == var_1_16 [L58] var_1_1 = (var_1_4 - 4.531) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-16, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_20=536871027, var_1_21=1, var_1_22=1, var_1_23=-16] [L66] signed long int stepLocal_1 = (50 / -10) + var_1_23; VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, stepLocal_1=-21, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-16, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_20=536871027, var_1_21=1, var_1_22=1, var_1_23=-16] [L67] COND FALSE !(stepLocal_1 >= var_1_16) [L74] var_1_21 = var_1_11 VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-16, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_20=536871027, var_1_21=-255, var_1_22=1, var_1_23=-16] [L76] var_1_10 = (var_1_11 && (var_1_21 || var_1_13)) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-16, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_20=536871027, var_1_21=-255, var_1_22=1, var_1_23=-16] [L77] COND FALSE !(var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) [L84] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-16, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_20=536871027, var_1_21=-255, var_1_22=1, var_1_23=-16] [L136] RET step() [L137] CALL, EXPR property() [L127-L128] return (((((((var_1_23 == var_1_16) ? (var_1_1 == ((double) (var_1_4 - 4.531))) : (((var_1_4 - var_1_5) > var_1_7) ? (var_1_1 == ((double) var_1_4)) : (var_1_1 == ((double) var_1_4)))) && (var_1_7 == ((double) (var_1_4 - (var_1_8 + var_1_9))))) && (var_1_10 == ((unsigned char) (var_1_11 && (var_1_21 || var_1_13))))) && ((var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) ? (var_1_10 ? (var_1_14 == ((signed long int) (var_1_15 + (8 + var_1_16)))) : (var_1_14 == ((signed long int) -256))) : (var_1_14 == ((signed long int) var_1_16)))) && ((var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9))))) ? (var_1_16 == ((signed long int) ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : ((var_1_4 <= last_1_var_1_7) ? (var_1_16 == ((signed long int) var_1_17)) : 1))) && ((((50 / -10) + var_1_23) >= var_1_16) ? (var_1_13 ? (var_1_21 == ((unsigned char) (var_1_11 && var_1_22))) : (var_1_21 == ((unsigned char) var_1_11))) : (var_1_21 == ((unsigned char) var_1_11)))) && (var_1_23 == ((signed long int) last_1_var_1_14)) ; VAL [\result=0, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-16, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_20=536871027, var_1_21=-255, var_1_22=1, var_1_23=-16] [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-16, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_20=536871027, var_1_21=-255, var_1_22=1, var_1_23=-16] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-16, var_1_17=536870911, var_1_18=0, var_1_19=536871027, var_1_20=536871027, var_1_21=-255, var_1_22=1, var_1_23=-16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 85 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, 85 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 305 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1482/1520 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 19:18:36,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.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 0aab9ae01a7a38a350a635198d68a9a3e643f5273a8ff0a796738b0412571b34 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 19:18:38,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 19:18:38,589 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 19:18:38,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 19:18:38,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 19:18:38,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 19:18:38,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 19:18:38,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 19:18:38,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 19:18:38,608 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 19:18:38,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 19:18:38,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 19:18:38,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 19:18:38,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 19:18:38,608 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 19:18:38,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 19:18:38,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 19:18:38,609 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 19:18:38,610 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 19:18:38,610 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 19:18:38,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 19:18:38,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 19:18:38,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 19:18:38,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 19:18:38,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 19:18:38,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 19:18:38,610 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 19:18:38,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 19:18:38,610 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 19:18:38,610 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 19:18:38,611 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 19:18:38,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 19:18:38,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 19:18:38,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 19:18:38,611 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 -> 0aab9ae01a7a38a350a635198d68a9a3e643f5273a8ff0a796738b0412571b34 [2025-03-03 19:18:38,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 19:18:38,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 19:18:38,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 19:18:38,843 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 19:18:38,843 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 19:18:38,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i [2025-03-03 19:18:39,989 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d24dd2e/0681e424771245e48ab87714ab5b10d7/FLAG4e2c49b8d [2025-03-03 19:18:40,192 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 19:18:40,194 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i [2025-03-03 19:18:40,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d24dd2e/0681e424771245e48ab87714ab5b10d7/FLAG4e2c49b8d [2025-03-03 19:18:40,567 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d24dd2e/0681e424771245e48ab87714ab5b10d7 [2025-03-03 19:18:40,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 19:18:40,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 19:18:40,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 19:18:40,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 19:18:40,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 19:18:40,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb334aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40, skipping insertion in model container [2025-03-03 19:18:40,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 19:18:40,681 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_fillercode_fillercodesize_normal_file-82.i[913,926] [2025-03-03 19:18:40,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 19:18:40,724 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 19:18:40,731 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_fillercode_fillercodesize_normal_file-82.i[913,926] [2025-03-03 19:18:40,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 19:18:40,760 INFO L204 MainTranslator]: Completed translation [2025-03-03 19:18:40,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40 WrapperNode [2025-03-03 19:18:40,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 19:18:40,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 19:18:40,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 19:18:40,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 19:18:40,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,789 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2025-03-03 19:18:40,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 19:18:40,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 19:18:40,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 19:18:40,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 19:18:40,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,798 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,806 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 19:18:40,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,812 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 19:18:40,829 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 19:18:40,829 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 19:18:40,829 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 19:18:40,830 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (1/1) ... [2025-03-03 19:18:40,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 19:18:40,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 19:18:40,854 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 19:18:40,856 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 19:18:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 19:18:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 19:18:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 19:18:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 19:18:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 19:18:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 19:18:40,923 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 19:18:40,925 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 19:18:56,212 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-03 19:18:56,212 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 19:18:56,219 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 19:18:56,219 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 19:18:56,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 07:18:56 BoogieIcfgContainer [2025-03-03 19:18:56,219 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 19:18:56,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 19:18:56,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 19:18:56,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 19:18:56,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 07:18:40" (1/3) ... [2025-03-03 19:18:56,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444c638b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 07:18:56, skipping insertion in model container [2025-03-03 19:18:56,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 07:18:40" (2/3) ... [2025-03-03 19:18:56,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444c638b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 07:18:56, skipping insertion in model container [2025-03-03 19:18:56,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 07:18:56" (3/3) ... [2025-03-03 19:18:56,226 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-82.i [2025-03-03 19:18:56,236 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 19:18:56,237 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-82.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 19:18:56,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 19:18:56,297 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;@35c30163, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 19:18:56,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 19:18:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-03 19:18:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-03 19:18:56,307 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 19:18:56,308 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:18:56,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 19:18:56,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 19:18:56,315 INFO L85 PathProgramCache]: Analyzing trace with hash 688523504, now seen corresponding path program 1 times [2025-03-03 19:18:56,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 19:18:56,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502638561] [2025-03-03 19:18:56,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 19:18:56,325 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 19:18:56,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 19:18:56,327 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 19:18:56,328 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 19:18:56,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-03 19:18:56,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-03 19:18:56,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 19:18:56,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 19:18:56,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 19:18:56,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 19:18:56,934 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-03-03 19:18:56,934 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 19:18:56,935 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 19:18:56,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502638561] [2025-03-03 19:18:56,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502638561] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 19:18:56,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 19:18:56,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 19:18:56,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732052078] [2025-03-03 19:18:56,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 19:18:56,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 19:18:56,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 19:18:56,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 19:18:56,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 19:18:56,953 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-03 19:18:56,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 19:18:56,968 INFO L93 Difference]: Finished difference Result 116 states and 195 transitions. [2025-03-03 19:18:56,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 19:18:56,970 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2025-03-03 19:18:56,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 19:18:56,973 INFO L225 Difference]: With dead ends: 116 [2025-03-03 19:18:56,973 INFO L226 Difference]: Without dead ends: 58 [2025-03-03 19:18:56,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 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 19:18:56,977 INFO L435 NwaCegarLoop]: 85 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, 85 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 19:18:56,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 19:18:56,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-03-03 19:18:56,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2025-03-03 19:18:56,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-03 19:18:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2025-03-03 19:18:57,002 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 128 [2025-03-03 19:18:57,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 19:18:57,002 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2025-03-03 19:18:57,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-03 19:18:57,002 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2025-03-03 19:18:57,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-03 19:18:57,005 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 19:18:57,005 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:18:57,022 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 19:18:57,205 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 19:18:57,205 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 19:18:57,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 19:18:57,206 INFO L85 PathProgramCache]: Analyzing trace with hash 544487796, now seen corresponding path program 1 times [2025-03-03 19:18:57,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 19:18:57,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485274547] [2025-03-03 19:18:57,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 19:18:57,207 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 19:18:57,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 19:18:57,208 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 19:18:57,209 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 19:18:57,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-03 19:18:58,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-03 19:18:58,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 19:18:58,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 19:18:58,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-03-03 19:18:58,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 19:20:06,658 WARN L286 SmtUtils]: Spent 16.30s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-03-03 19:20:14,872 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)