./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-5.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 3ee41a83450d717782acb2357b704d06460d91e430d71e00e3cee4b83fe11825 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 02:33:03,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 02:33:03,244 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-17 02:33:03,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 02:33:03,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 02:33:03,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 02:33:03,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 02:33:03,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 02:33:03,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 02:33:03,276 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 02:33:03,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 02:33:03,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 02:33:03,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 02:33:03,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 02:33:03,278 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 02:33:03,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 02:33:03,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 02:33:03,278 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 02:33:03,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 02:33:03,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 02:33:03,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 02:33:03,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 02:33:03,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 02:33:03,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 02:33:03,279 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 02:33:03,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 02:33:03,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 02:33:03,279 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 02:33:03,279 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 02:33:03,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 02:33:03,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 02:33:03,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 02:33:03,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:33:03,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 02:33:03,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 02:33:03,280 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 02:33:03,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 02:33:03,280 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 02:33:03,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 02:33:03,280 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 02:33:03,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 02:33:03,280 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 02:33:03,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 02:33:03,280 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 -> 3ee41a83450d717782acb2357b704d06460d91e430d71e00e3cee4b83fe11825 [2025-03-17 02:33:03,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 02:33:03,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 02:33:03,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 02:33:03,539 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 02:33:03,539 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 02:33:03,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-5.i [2025-03-17 02:33:04,697 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e5381bad/81db2cc896d1411e8c46d90a097643d4/FLAGb8baa9973 [2025-03-17 02:33:04,934 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 02:33:04,935 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-5.i [2025-03-17 02:33:04,943 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e5381bad/81db2cc896d1411e8c46d90a097643d4/FLAGb8baa9973 [2025-03-17 02:33:05,273 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e5381bad/81db2cc896d1411e8c46d90a097643d4 [2025-03-17 02:33:05,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 02:33:05,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 02:33:05,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 02:33:05,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 02:33:05,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 02:33:05,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a486dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05, skipping insertion in model container [2025-03-17 02:33:05,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 02:33:05,386 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_fillercodestructure_normal_file-5.i[912,925] [2025-03-17 02:33:05,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:33:05,437 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 02:33:05,445 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_fillercodestructure_normal_file-5.i[912,925] [2025-03-17 02:33:05,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:33:05,478 INFO L204 MainTranslator]: Completed translation [2025-03-17 02:33:05,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05 WrapperNode [2025-03-17 02:33:05,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 02:33:05,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 02:33:05,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 02:33:05,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 02:33:05,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,511 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2025-03-17 02:33:05,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 02:33:05,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 02:33:05,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 02:33:05,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 02:33:05,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,530 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,546 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 02:33:05,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,558 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 02:33:05,568 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 02:33:05,568 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 02:33:05,568 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 02:33:05,569 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (1/1) ... [2025-03-17 02:33:05,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:33:05,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:33:05,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 02:33:05,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 02:33:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 02:33:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 02:33:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 02:33:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 02:33:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 02:33:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 02:33:05,670 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 02:33:05,672 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 02:33:05,893 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-17 02:33:05,893 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 02:33:05,902 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 02:33:05,902 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 02:33:05,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:33:05 BoogieIcfgContainer [2025-03-17 02:33:05,903 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 02:33:05,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 02:33:05,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 02:33:05,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 02:33:05,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:33:05" (1/3) ... [2025-03-17 02:33:05,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4381c7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:33:05, skipping insertion in model container [2025-03-17 02:33:05,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:05" (2/3) ... [2025-03-17 02:33:05,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4381c7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:33:05, skipping insertion in model container [2025-03-17 02:33:05,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:33:05" (3/3) ... [2025-03-17 02:33:05,912 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-5.i [2025-03-17 02:33:05,922 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 02:33:05,924 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-5.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 02:33:05,973 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 02:33:05,982 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;@2caa0660, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 02:33:05,983 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 02:33:05,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 02:33:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-17 02:33:05,995 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:33:05,995 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:33:05,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:33:05,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:33:05,999 INFO L85 PathProgramCache]: Analyzing trace with hash -2024174954, now seen corresponding path program 1 times [2025-03-17 02:33:06,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 02:33:06,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372994711] [2025-03-17 02:33:06,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:33:06,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 02:33:06,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 02:33:06,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 02:33:06,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:33:06,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:33:06,220 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-17 02:33:06,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 02:33:06,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372994711] [2025-03-17 02:33:06,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372994711] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 02:33:06,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186330097] [2025-03-17 02:33:06,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:33:06,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 02:33:06,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:33:06,226 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 02:33:06,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 02:33:06,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 02:33:06,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 02:33:06,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:33:06,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:33:06,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 02:33:06,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:33:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-17 02:33:06,348 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 02:33:06,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186330097] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 02:33:06,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 02:33:06,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 02:33:06,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886768211] [2025-03-17 02:33:06,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 02:33:06,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 02:33:06,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 02:33:06,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 02:33:06,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:33:06,368 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-17 02:33:06,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 02:33:06,382 INFO L93 Difference]: Finished difference Result 93 states and 157 transitions. [2025-03-17 02:33:06,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 02:33:06,384 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2025-03-17 02:33:06,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 02:33:06,389 INFO L225 Difference]: With dead ends: 93 [2025-03-17 02:33:06,389 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 02:33:06,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:33:06,394 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 02:33:06,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 02:33:06,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 02:33:06,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 02:33:06,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 02:33:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 67 transitions. [2025-03-17 02:33:06,421 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 67 transitions. Word has length 98 [2025-03-17 02:33:06,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 02:33:06,421 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 67 transitions. [2025-03-17 02:33:06,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-17 02:33:06,422 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2025-03-17 02:33:06,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-17 02:33:06,425 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:33:06,425 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:33:06,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 02:33:06,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 02:33:06,630 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:33:06,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:33:06,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1445296806, now seen corresponding path program 1 times [2025-03-17 02:33:06,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 02:33:06,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198347867] [2025-03-17 02:33:06,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:33:06,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 02:33:06,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 02:33:06,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 02:33:06,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:33:06,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 02:33:06,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288951678] [2025-03-17 02:33:06,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:33:06,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 02:33:06,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:33:06,856 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 02:33:06,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 02:33:06,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 02:33:06,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 02:33:06,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:33:06,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 02:33:06,992 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 02:33:07,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 02:33:07,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 02:33:07,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:33:07,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 02:33:07,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 02:33:07,094 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 02:33:07,095 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 02:33:07,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 02:33:07,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 02:33:07,300 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-17 02:33:07,356 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 02:33:07,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 02:33:07 BoogieIcfgContainer [2025-03-17 02:33:07,359 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 02:33:07,360 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 02:33:07,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 02:33:07,360 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 02:33:07,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:33:05" (3/4) ... [2025-03-17 02:33:07,363 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 02:33:07,364 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 02:33:07,365 INFO L158 Benchmark]: Toolchain (without parser) took 2089.16ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 48.5MB in the end (delta: 63.3MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2025-03-17 02:33:07,365 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:33:07,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.96ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 97.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 02:33:07,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.86ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 94.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:33:07,366 INFO L158 Benchmark]: Boogie Preprocessor took 55.10ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 88.1MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 02:33:07,367 INFO L158 Benchmark]: IcfgBuilder took 335.37ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 66.7MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 02:33:07,367 INFO L158 Benchmark]: TraceAbstraction took 1454.61ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 49.3MB in the end (delta: 17.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2025-03-17 02:33:07,367 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 48.5MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:33:07,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.96ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 97.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.86ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 94.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.10ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 88.1MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 335.37ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 66.7MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1454.61ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 49.3MB in the end (delta: 17.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 48.5MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char var_1_4 = 128; [L24] unsigned char var_1_5 = 1; [L25] unsigned long int var_1_6 = 5; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 64; [L28] unsigned char var_1_11 = 64; [L29] unsigned short int var_1_12 = 25; [L30] unsigned short int var_1_14 = 31408; [L31] double var_1_15 = 64.375; [L32] double var_1_16 = 10.85; [L33] double var_1_17 = 128.8; [L34] double var_1_18 = 2.6; [L35] unsigned char var_1_19 = 0; [L36] unsigned char var_1_20 = 0; [L37] signed short int var_1_21 = -64; [L38] unsigned short int last_1_var_1_12 = 25; [L39] double last_1_var_1_15 = 64.375; [L114] isInitial = 1 [L115] FCALL initially() [L116] COND TRUE 1 [L117] CALL updateLastVariables() [L106] last_1_var_1_12 = var_1_12 [L107] last_1_var_1_15 = var_1_15 [L117] RET updateLastVariables() [L118] CALL updateVariables() [L80] var_1_4 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L81] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L82] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L83] var_1_5 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_6=5, var_1_9=0] [L84] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_6=5, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L85] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L86] var_1_10 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L87] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L88] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L89] var_1_11 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_11 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L90] RET assume_abort_if_not(var_1_11 >= 64) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L91] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L92] var_1_14 = __VERIFIER_nondet_ushort() [L93] CALL assume_abort_if_not(var_1_14 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L93] RET assume_abort_if_not(var_1_14 >= 16383) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L94] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L95] var_1_16 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L96] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L97] var_1_17 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L98] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L99] var_1_18 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L100] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L101] var_1_20 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L102] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=-256, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=-256, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L103] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=-256, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L118] RET updateVariables() [L119] CALL step() [L43] COND FALSE !(last_1_var_1_12 > var_1_4) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=-256, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L48] COND FALSE !(((- 64) + var_1_6) == var_1_6) [L51] var_1_1 = (((((128) < (var_1_4)) ? (128) : (var_1_4))) - 64) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=-256, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L53] COND TRUE var_1_5 == (var_1_6 / var_1_4) [L54] var_1_9 = ((((var_1_5) < (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) ? (var_1_5) : (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=-256, var_1_21=-64, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L58] var_1_21 = var_1_10 [L59] unsigned long int stepLocal_3 = var_1_6; [L60] unsigned char stepLocal_2 = var_1_4; VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_2=128, stepLocal_3=5, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=-256, var_1_21=63, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L61] COND FALSE !(stepLocal_2 < var_1_1) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=-256, var_1_21=63, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L66] unsigned long int stepLocal_0 = (((var_1_6) > (var_1_4)) ? (var_1_6) : (var_1_4)); VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_0=128, stepLocal_3=5, var_1_10=-193, var_1_11=64, var_1_12=25, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=-256, var_1_21=63, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L67] COND TRUE ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) <= stepLocal_0 [L68] var_1_12 = ((var_1_14 - var_1_5) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-193, var_1_11=64, var_1_12=16388, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=-256, var_1_21=63, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L72] signed long int stepLocal_1 = ~ (var_1_5 * var_1_1); VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_1=-1, stepLocal_3=5, var_1_10=-193, var_1_11=64, var_1_12=16388, var_1_14=81919, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=-256, var_1_21=63, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L73] COND TRUE stepLocal_1 <= var_1_12 [L74] var_1_15 = (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-193, var_1_11=64, var_1_12=16388, var_1_14=81919, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=64, var_1_20=-256, var_1_21=63, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L119] RET step() [L120] CALL, EXPR property() [L110-L111] return (((((((((- 64) + var_1_6) == var_1_6) ? (var_1_1 == ((unsigned char) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - var_1_5))) : (var_1_1 == ((unsigned char) (((((128) < (var_1_4)) ? (128) : (var_1_4))) - 64)))) && ((last_1_var_1_12 > var_1_4) ? (((- last_1_var_1_15) < last_1_var_1_15) ? (var_1_6 == ((unsigned long int) 10u)) : 1) : 1)) && ((var_1_5 == (var_1_6 / var_1_4)) ? (var_1_9 == ((unsigned char) ((((var_1_5) < (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) ? (var_1_5) : (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))))) : (var_1_9 == ((unsigned char) ((var_1_10 + var_1_11) - var_1_5))))) && ((((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) <= ((((var_1_6) > (var_1_4)) ? (var_1_6) : (var_1_4)))) ? (var_1_12 == ((unsigned short int) ((var_1_14 - var_1_5) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_12 == ((unsigned short int) var_1_6)))) && (((~ (var_1_5 * var_1_1)) <= var_1_12) ? (var_1_15 == ((double) (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))))) : (var_1_15 == ((double) ((((((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) < (var_1_18)) ? (((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) : (var_1_18))))))) && ((var_1_4 < var_1_1) ? ((var_1_6 > var_1_21) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_21 == ((signed short int) var_1_10)) ; [L120] RET, EXPR property() [L120] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=16388, var_1_14=81919, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=64, var_1_20=-256, var_1_21=63, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-193, var_1_11=64, var_1_12=16388, var_1_14=81919, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=64, var_1_20=-256, var_1_21=63, var_1_4=128, var_1_5=-256, var_1_6=5, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 87 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 67 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 243 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 812/840 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-17 02:33:07,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-5.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 3ee41a83450d717782acb2357b704d06460d91e430d71e00e3cee4b83fe11825 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 02:33:09,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 02:33:09,333 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-17 02:33:09,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 02:33:09,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 02:33:09,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 02:33:09,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 02:33:09,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 02:33:09,355 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 02:33:09,355 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 02:33:09,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 02:33:09,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 02:33:09,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 02:33:09,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 02:33:09,356 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 02:33:09,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 02:33:09,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 02:33:09,356 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 02:33:09,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 02:33:09,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 02:33:09,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 02:33:09,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 02:33:09,357 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 02:33:09,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:33:09,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 02:33:09,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 02:33:09,358 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 02:33:09,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 02:33:09,358 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 02:33:09,358 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 02:33:09,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 02:33:09,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 02:33:09,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 02:33:09,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 02:33:09,358 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 -> 3ee41a83450d717782acb2357b704d06460d91e430d71e00e3cee4b83fe11825 [2025-03-17 02:33:09,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 02:33:09,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 02:33:09,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 02:33:09,603 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 02:33:09,604 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 02:33:09,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-5.i [2025-03-17 02:33:10,799 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3cd24ae/3e16ae88d57047fe94ae7cc08a3102de/FLAGcc4f9a122 [2025-03-17 02:33:10,986 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 02:33:10,989 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-5.i [2025-03-17 02:33:10,997 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3cd24ae/3e16ae88d57047fe94ae7cc08a3102de/FLAGcc4f9a122 [2025-03-17 02:33:11,014 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3cd24ae/3e16ae88d57047fe94ae7cc08a3102de [2025-03-17 02:33:11,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 02:33:11,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 02:33:11,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 02:33:11,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 02:33:11,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 02:33:11,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bc313a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11, skipping insertion in model container [2025-03-17 02:33:11,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 02:33:11,149 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_fillercodestructure_normal_file-5.i[912,925] [2025-03-17 02:33:11,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:33:11,224 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 02:33:11,233 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_fillercodestructure_normal_file-5.i[912,925] [2025-03-17 02:33:11,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:33:11,276 INFO L204 MainTranslator]: Completed translation [2025-03-17 02:33:11,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11 WrapperNode [2025-03-17 02:33:11,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 02:33:11,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 02:33:11,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 02:33:11,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 02:33:11,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,314 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2025-03-17 02:33:11,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 02:33:11,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 02:33:11,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 02:33:11,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 02:33:11,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,325 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,335 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 02:33:11,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,342 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 02:33:11,347 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 02:33:11,348 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 02:33:11,348 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 02:33:11,348 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (1/1) ... [2025-03-17 02:33:11,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:33:11,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:33:11,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 02:33:11,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 02:33:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 02:33:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 02:33:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 02:33:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 02:33:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 02:33:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 02:33:11,456 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 02:33:11,458 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 02:33:11,943 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-17 02:33:11,943 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 02:33:11,956 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 02:33:11,956 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 02:33:11,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:33:11 BoogieIcfgContainer [2025-03-17 02:33:11,956 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 02:33:11,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 02:33:11,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 02:33:11,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 02:33:11,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:33:11" (1/3) ... [2025-03-17 02:33:11,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427df51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:33:11, skipping insertion in model container [2025-03-17 02:33:11,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:33:11" (2/3) ... [2025-03-17 02:33:11,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427df51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:33:11, skipping insertion in model container [2025-03-17 02:33:11,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:33:11" (3/3) ... [2025-03-17 02:33:11,966 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-5.i [2025-03-17 02:33:11,977 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 02:33:11,978 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-5.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 02:33:12,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 02:33:12,034 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;@711acdea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 02:33:12,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 02:33:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 02:33:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-17 02:33:12,043 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:33:12,043 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:33:12,044 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:33:12,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:33:12,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2024174954, now seen corresponding path program 1 times [2025-03-17 02:33:12,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 02:33:12,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270129069] [2025-03-17 02:33:12,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:33:12,056 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 02:33:12,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 02:33:12,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-17 02:33:12,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-17 02:33:12,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 02:33:12,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 02:33:12,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:33:12,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:33:12,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 02:33:12,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:33:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2025-03-17 02:33:12,277 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 02:33:12,277 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 02:33:12,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270129069] [2025-03-17 02:33:12,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270129069] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 02:33:12,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 02:33:12,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 02:33:12,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779528990] [2025-03-17 02:33:12,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 02:33:12,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 02:33:12,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 02:33:12,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 02:33:12,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:33:12,296 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-17 02:33:12,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 02:33:12,319 INFO L93 Difference]: Finished difference Result 93 states and 157 transitions. [2025-03-17 02:33:12,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 02:33:12,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2025-03-17 02:33:12,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 02:33:12,326 INFO L225 Difference]: With dead ends: 93 [2025-03-17 02:33:12,326 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 02:33:12,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:33:12,330 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 02:33:12,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 02:33:12,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 02:33:12,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 02:33:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 02:33:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 67 transitions. [2025-03-17 02:33:12,360 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 67 transitions. Word has length 98 [2025-03-17 02:33:12,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 02:33:12,361 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 67 transitions. [2025-03-17 02:33:12,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-17 02:33:12,361 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2025-03-17 02:33:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-17 02:33:12,366 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:33:12,366 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:33:12,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-17 02:33:12,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 02:33:12,567 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:33:12,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:33:12,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1445296806, now seen corresponding path program 1 times [2025-03-17 02:33:12,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 02:33:12,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231056011] [2025-03-17 02:33:12,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:33:12,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 02:33:12,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 02:33:12,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-17 02:33:12,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-17 02:33:12,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 02:33:12,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 02:33:12,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:33:12,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:33:12,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-17 02:33:12,787 INFO L279 TraceCheckSpWp]: Computing forward predicates...