./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-54.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_codestructure_steplocals_file-54.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 4c7a4e9920efce803245ac4d8811445c240a7092780c04b2883fff25e5388c3a --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 23:21:44,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 23:21:44,320 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 23:21:44,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 23:21:44,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 23:21:44,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 23:21:44,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 23:21:44,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 23:21:44,346 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 23:21:44,346 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 23:21:44,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 23:21:44,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 23:21:44,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 23:21:44,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 23:21:44,346 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 23:21:44,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 23:21:44,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 23:21:44,346 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 23:21:44,347 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 23:21:44,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 23:21:44,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 23:21:44,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 23:21:44,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 23:21:44,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 23:21:44,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 23:21:44,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 23:21:44,348 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 -> 4c7a4e9920efce803245ac4d8811445c240a7092780c04b2883fff25e5388c3a [2025-03-16 23:21:44,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 23:21:44,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 23:21:44,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 23:21:44,559 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 23:21:44,559 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 23:21:44,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-54.i [2025-03-16 23:21:45,673 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec35183aa/42e9df1dcb9f42718440a29066469391/FLAG3ade5a580 [2025-03-16 23:21:45,878 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 23:21:45,878 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-54.i [2025-03-16 23:21:45,887 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec35183aa/42e9df1dcb9f42718440a29066469391/FLAG3ade5a580 [2025-03-16 23:21:46,225 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec35183aa/42e9df1dcb9f42718440a29066469391 [2025-03-16 23:21:46,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 23:21:46,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 23:21:46,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 23:21:46,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 23:21:46,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 23:21:46,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@400a2cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46, skipping insertion in model container [2025-03-16 23:21:46,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 23:21:46,363 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_codestructure_steplocals_file-54.i[917,930] [2025-03-16 23:21:46,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 23:21:46,430 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 23:21:46,439 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_codestructure_steplocals_file-54.i[917,930] [2025-03-16 23:21:46,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 23:21:46,481 INFO L204 MainTranslator]: Completed translation [2025-03-16 23:21:46,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46 WrapperNode [2025-03-16 23:21:46,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 23:21:46,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 23:21:46,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 23:21:46,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 23:21:46,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,515 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2025-03-16 23:21:46,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 23:21:46,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 23:21:46,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 23:21:46,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 23:21:46,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,540 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]. [2025-03-16 23:21:46,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,544 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 23:21:46,551 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 23:21:46,551 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 23:21:46,551 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 23:21:46,552 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (1/1) ... [2025-03-16 23:21:46,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 23:21:46,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 23:21:46,579 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) [2025-03-16 23:21:46,581 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 [2025-03-16 23:21:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 23:21:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-16 23:21:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-16 23:21:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 23:21:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 23:21:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 23:21:46,659 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 23:21:46,661 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 23:21:46,863 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-16 23:21:46,863 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 23:21:46,872 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 23:21:46,872 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 23:21:46,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:21:46 BoogieIcfgContainer [2025-03-16 23:21:46,872 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 23:21:46,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 23:21:46,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 23:21:46,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 23:21:46,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 11:21:46" (1/3) ... [2025-03-16 23:21:46,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b433c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:21:46, skipping insertion in model container [2025-03-16 23:21:46,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:46" (2/3) ... [2025-03-16 23:21:46,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b433c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:21:46, skipping insertion in model container [2025-03-16 23:21:46,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:21:46" (3/3) ... [2025-03-16 23:21:46,880 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-54.i [2025-03-16 23:21:46,890 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 23:21:46,891 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-54.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 23:21:46,936 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 23:21:46,946 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;@144fb9f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 23:21:46,946 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 23:21:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-16 23:21:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-16 23:21:46,961 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 23:21:46,962 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 23:21:46,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 23:21:46,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 23:21:46,967 INFO L85 PathProgramCache]: Analyzing trace with hash 958194256, now seen corresponding path program 1 times [2025-03-16 23:21:46,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 23:21:46,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078618173] [2025-03-16 23:21:46,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:21:46,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 23:21:47,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-16 23:21:47,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-16 23:21:47,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:21:47,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 23:21:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2025-03-16 23:21:47,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 23:21:47,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078618173] [2025-03-16 23:21:47,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078618173] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-16 23:21:47,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691812223] [2025-03-16 23:21:47,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:21:47,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 23:21:47,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 23:21:47,250 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) [2025-03-16 23:21:47,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 23:21:47,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-16 23:21:47,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-16 23:21:47,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:21:47,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 23:21:47,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 23:21:47,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 23:21:47,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2025-03-16 23:21:47,440 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 23:21:47,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691812223] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 23:21:47,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-16 23:21:47,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-16 23:21:47,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540521680] [2025-03-16 23:21:47,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 23:21:47,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 23:21:47,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 23:21:47,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 23:21:47,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 23:21:47,464 INFO L87 Difference]: Start difference. First operand has 64 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-16 23:21:47,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 23:21:47,488 INFO L93 Difference]: Finished difference Result 125 states and 219 transitions. [2025-03-16 23:21:47,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 23:21:47,490 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 154 [2025-03-16 23:21:47,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 23:21:47,496 INFO L225 Difference]: With dead ends: 125 [2025-03-16 23:21:47,497 INFO L226 Difference]: Without dead ends: 62 [2025-03-16 23:21:47,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 23:21:47,503 INFO L435 NwaCegarLoop]: 94 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, 94 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 [2025-03-16 23:21:47,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 23:21:47,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-03-16 23:21:47,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-03-16 23:21:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-16 23:21:47,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 94 transitions. [2025-03-16 23:21:47,546 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 94 transitions. Word has length 154 [2025-03-16 23:21:47,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 23:21:47,546 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 94 transitions. [2025-03-16 23:21:47,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-16 23:21:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2025-03-16 23:21:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-16 23:21:47,556 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 23:21:47,556 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 23:21:47,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-16 23:21:47,761 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 [2025-03-16 23:21:47,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 23:21:47,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 23:21:47,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1759583249, now seen corresponding path program 1 times [2025-03-16 23:21:47,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 23:21:47,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299734340] [2025-03-16 23:21:47,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:21:47,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 23:21:47,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-16 23:21:48,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-16 23:21:48,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:21:48,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-16 23:21:48,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [889595011] [2025-03-16 23:21:48,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:21:48,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 23:21:48,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 23:21:48,040 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) [2025-03-16 23:21:48,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-16 23:21:48,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-16 23:21:48,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-16 23:21:48,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:21:48,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 23:21:48,248 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 23:21:48,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-16 23:21:48,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-16 23:21:48,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:21:48,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 23:21:48,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 23:21:48,401 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 23:21:48,402 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 23:21:48,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-16 23:21:48,604 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 [2025-03-16 23:21:48,606 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-16 23:21:48,684 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 23:21:48,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:21:48 BoogieIcfgContainer [2025-03-16 23:21:48,686 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 23:21:48,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 23:21:48,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 23:21:48,687 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 23:21:48,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:21:46" (3/4) ... [2025-03-16 23:21:48,689 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 23:21:48,690 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 23:21:48,691 INFO L158 Benchmark]: Toolchain (without parser) took 2462.57ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 100.8MB in the end (delta: 11.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2025-03-16 23:21:48,691 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 23:21:48,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.02ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 98.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 23:21:48,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.50ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 23:21:48,691 INFO L158 Benchmark]: Boogie Preprocessor took 30.88ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 93.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 23:21:48,692 INFO L158 Benchmark]: IcfgBuilder took 321.18ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 74.2MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 23:21:48,692 INFO L158 Benchmark]: TraceAbstraction took 1812.88ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 100.8MB in the end (delta: -27.3MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2025-03-16 23:21:48,692 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 100.8MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 23:21:48,693 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 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.02ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 98.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.50ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.88ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 93.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 321.18ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 74.2MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1812.88ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 100.8MB in the end (delta: -27.3MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 100.8MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryFLOATComparisonOperation at line 123, overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 71. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] double var_1_2 = 15.8; [L24] double var_1_3 = 0.19999999999999996; [L25] signed short int var_1_4 = 256; [L26] signed short int var_1_5 = 0; [L27] signed short int var_1_6 = 25; [L28] unsigned char var_1_7 = 1; [L29] signed short int var_1_8 = 100; [L30] unsigned char var_1_9 = 1; [L31] signed short int var_1_10 = -4; [L32] unsigned char var_1_11 = 0; [L33] unsigned char var_1_12 = 0; [L34] unsigned char var_1_13 = 1; [L35] unsigned long int var_1_14 = 64; [L36] double var_1_15 = 10.3; [L37] double var_1_16 = 128.6; [L38] unsigned long int var_1_17 = 2600113953; [L39] float var_1_18 = 8.25; [L40] float var_1_19 = 31.5; [L41] float var_1_20 = 2.625; [L42] float var_1_21 = 999999999999999.2; [L43] float var_1_22 = 127.5; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_3=4999999999999999/25000000000000000, var_1_4=256, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_3=4999999999999999/25000000000000000, var_1_4=256, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L86] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_3=4999999999999999/25000000000000000, var_1_4=256, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L87] var_1_3 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=256, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=256, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L88] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=256, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L89] var_1_4 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L90] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L91] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=0, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L92] var_1_5 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L93] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_5 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L94] RET assume_abort_if_not(var_1_5 <= 32766) VAL [isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=1, var_1_8=100, var_1_9=1] [L95] var_1_7 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_8=100, var_1_9=1] [L96] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_8=100, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=100, var_1_9=1] [L97] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=100, var_1_9=1] [L98] var_1_8 = __VERIFIER_nondet_short() [L99] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L99] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L100] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L101] var_1_10 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_10 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L102] RET assume_abort_if_not(var_1_10 >= -32768) VAL [isInitial=1, var_1_10=5461, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L103] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, var_1_10=5461, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L104] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, var_1_10=5461, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L105] var_1_11 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L106] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L107] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L108] var_1_12 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L109] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L110] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L110] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L111] var_1_15 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L112] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L113] var_1_16 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L114] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L115] var_1_17 = __VERIFIER_nondet_ulong() [L116] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L116] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L117] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L117] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L118] var_1_19 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L119] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L120] var_1_20 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L121] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L122] var_1_21 = __VERIFIER_nondet_float() [L123] CALL assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L123] RET assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_22=255/2, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L124] var_1_22 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L125] RET assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=-4, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L138] RET updateVariables() [L139] CALL step() [L47] COND TRUE var_1_2 > var_1_3 [L48] var_1_1 = ((((((2 + var_1_4)) < (var_1_5)) ? ((2 + var_1_4)) : (var_1_5))) - 2) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=16383, var_1_4=16383, var_1_5=16386, var_1_6=25, var_1_7=0, var_1_8=16384, var_1_9=1] [L52] COND FALSE !(\read(var_1_7)) [L59] var_1_6 = var_1_4 VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=16383, var_1_4=16383, var_1_5=16386, var_1_6=16383, var_1_7=0, var_1_8=16384, var_1_9=1] [L61] signed short int stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=16383, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=16383, var_1_4=16383, var_1_5=16386, var_1_6=16383, var_1_7=0, var_1_8=16384, var_1_9=1] [L62] COND TRUE ((var_1_8 % var_1_10) * (8 + var_1_1)) >= stepLocal_0 [L63] var_1_9 = ((! var_1_11) || var_1_12) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=16383, var_1_4=16383, var_1_5=16386, var_1_6=16383, var_1_7=0, var_1_8=16384, var_1_9=0] [L67] signed long int stepLocal_1 = (var_1_8 * var_1_1) + var_1_4; VAL [isInitial=1, stepLocal_1=268435455, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=16383, var_1_4=16383, var_1_5=16386, var_1_6=16383, var_1_7=0, var_1_8=16384, var_1_9=0] [L68] COND TRUE stepLocal_1 >= ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) [L69] var_1_13 = var_1_12 VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=64, var_1_17=2147483647, var_1_18=33/4, var_1_1=16383, var_1_4=16383, var_1_5=16386, var_1_6=16383, var_1_7=0, var_1_8=16384, var_1_9=0] [L71] COND TRUE var_1_2 < ((((var_1_3) > ((var_1_15 - var_1_16))) ? (var_1_3) : ((var_1_15 - var_1_16)))) [L72] var_1_14 = (var_1_17 - (var_1_8 + var_1_4)) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=2147450880, var_1_17=2147483647, var_1_18=33/4, var_1_1=16383, var_1_4=16383, var_1_5=16386, var_1_6=16383, var_1_7=0, var_1_8=16384, var_1_9=0] [L74] COND FALSE !(-32 >= (var_1_5 - var_1_8)) [L81] var_1_18 = var_1_19 VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=2147450880, var_1_17=2147483647, var_1_18=2, var_1_19=2, var_1_1=16383, var_1_4=16383, var_1_5=16386, var_1_6=16383, var_1_7=0, var_1_8=16384, var_1_9=0] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return ((((((var_1_2 > var_1_3) ? (var_1_1 == ((signed short int) ((((((2 + var_1_4)) < (var_1_5)) ? ((2 + var_1_4)) : (var_1_5))) - 2))) : (var_1_1 == ((signed short int) var_1_4))) && (var_1_7 ? ((var_1_5 == var_1_4) ? (var_1_6 == ((signed short int) ((((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) < ((var_1_4 - var_1_8))) ? (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) : ((var_1_4 - var_1_8)))))) : (var_1_6 == ((signed short int) var_1_8))) : (var_1_6 == ((signed short int) var_1_4)))) && ((((var_1_8 % var_1_10) * (8 + var_1_1)) >= var_1_6) ? (var_1_9 == ((unsigned char) ((! var_1_11) || var_1_12))) : (var_1_9 == ((unsigned char) (! var_1_12))))) && ((((var_1_8 * var_1_1) + var_1_4) >= ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5)))) ? (var_1_13 == ((unsigned char) var_1_12)) : 1)) && ((var_1_2 < ((((var_1_3) > ((var_1_15 - var_1_16))) ? (var_1_3) : ((var_1_15 - var_1_16))))) ? (var_1_14 == ((unsigned long int) (var_1_17 - (var_1_8 + var_1_4)))) : 1)) && ((-32 >= (var_1_5 - var_1_8)) ? ((var_1_10 > var_1_1) ? (var_1_18 == ((float) ((var_1_19 - var_1_20) + (var_1_21 + var_1_22)))) : (var_1_18 == ((float) var_1_20))) : (var_1_18 == ((float) var_1_19))) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=2147450880, var_1_17=2147483647, var_1_18=2, var_1_19=2, var_1_1=16383, var_1_4=16383, var_1_5=16386, var_1_6=16383, var_1_7=0, var_1_8=16384, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=5461, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=2147450880, var_1_17=2147483647, var_1_18=2, var_1_19=2, var_1_1=16383, var_1_4=16383, var_1_5=16386, var_1_6=16383, var_1_7=0, var_1_8=16384, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 123 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 94 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, 94 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 616 NumberOfCodeBlocks, 616 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 306 ConstructedInterpolants, 0 QuantifiedInterpolants, 306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2352/2400 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 [2025-03-16 23:21:48,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-54.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 4c7a4e9920efce803245ac4d8811445c240a7092780c04b2883fff25e5388c3a --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 23:21:50,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 23:21:50,605 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-16 23:21:50,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 23:21:50,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 23:21:50,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 23:21:50,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 23:21:50,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 23:21:50,636 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 23:21:50,637 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 23:21:50,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 23:21:50,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 23:21:50,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 23:21:50,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 23:21:50,638 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 23:21:50,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 23:21:50,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 23:21:50,639 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 23:21:50,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 23:21:50,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 23:21:50,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 23:21:50,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 23:21:50,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 23:21:50,639 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 23:21:50,640 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 23:21:50,640 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 23:21:50,640 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 23:21:50,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 23:21:50,640 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 23:21:50,640 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 23:21:50,640 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 23:21:50,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 23:21:50,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 23:21:50,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 23:21:50,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 23:21:50,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 23:21:50,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 23:21:50,641 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 23:21:50,641 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 23:21:50,641 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 23:21:50,641 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 23:21:50,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 23:21:50,642 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 23:21:50,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 23:21:50,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 23:21:50,642 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 -> 4c7a4e9920efce803245ac4d8811445c240a7092780c04b2883fff25e5388c3a [2025-03-16 23:21:50,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 23:21:50,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 23:21:50,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 23:21:50,903 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 23:21:50,903 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 23:21:50,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-54.i [2025-03-16 23:21:52,037 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d586ec10/e62042a4692d41389116dfe33e2218ab/FLAGc5f762985 [2025-03-16 23:21:52,217 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 23:21:52,218 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-54.i [2025-03-16 23:21:52,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d586ec10/e62042a4692d41389116dfe33e2218ab/FLAGc5f762985 [2025-03-16 23:21:52,243 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d586ec10/e62042a4692d41389116dfe33e2218ab [2025-03-16 23:21:52,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 23:21:52,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 23:21:52,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 23:21:52,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 23:21:52,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 23:21:52,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311cf6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52, skipping insertion in model container [2025-03-16 23:21:52,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 23:21:52,391 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_codestructure_steplocals_file-54.i[917,930] [2025-03-16 23:21:52,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 23:21:52,470 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 23:21:52,479 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_codestructure_steplocals_file-54.i[917,930] [2025-03-16 23:21:52,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 23:21:52,532 INFO L204 MainTranslator]: Completed translation [2025-03-16 23:21:52,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52 WrapperNode [2025-03-16 23:21:52,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 23:21:52,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 23:21:52,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 23:21:52,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 23:21:52,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,572 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2025-03-16 23:21:52,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 23:21:52,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 23:21:52,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 23:21:52,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 23:21:52,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,585 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,602 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]. [2025-03-16 23:21:52,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,615 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 23:21:52,622 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 23:21:52,622 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 23:21:52,622 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 23:21:52,623 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (1/1) ... [2025-03-16 23:21:52,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 23:21:52,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 23:21:52,657 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) [2025-03-16 23:21:52,660 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 [2025-03-16 23:21:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 23:21:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 23:21:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-16 23:21:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-16 23:21:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 23:21:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 23:21:52,746 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 23:21:52,748 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 23:21:55,717 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-16 23:21:55,718 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 23:21:55,725 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 23:21:55,725 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 23:21:55,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:21:55 BoogieIcfgContainer [2025-03-16 23:21:55,725 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 23:21:55,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 23:21:55,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 23:21:55,730 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 23:21:55,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 11:21:52" (1/3) ... [2025-03-16 23:21:55,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338aaa74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:21:55, skipping insertion in model container [2025-03-16 23:21:55,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:21:52" (2/3) ... [2025-03-16 23:21:55,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338aaa74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:21:55, skipping insertion in model container [2025-03-16 23:21:55,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:21:55" (3/3) ... [2025-03-16 23:21:55,732 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-54.i [2025-03-16 23:21:55,741 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 23:21:55,742 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-54.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 23:21:55,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 23:21:55,781 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;@5efc1933, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 23:21:55,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 23:21:55,784 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-16 23:21:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-16 23:21:55,792 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 23:21:55,792 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 23:21:55,792 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 23:21:55,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 23:21:55,797 INFO L85 PathProgramCache]: Analyzing trace with hash 958194256, now seen corresponding path program 1 times [2025-03-16 23:21:55,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 23:21:55,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026849768] [2025-03-16 23:21:55,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:21:55,805 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 [2025-03-16 23:21:55,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 23:21:55,807 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) [2025-03-16 23:21:55,808 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 [2025-03-16 23:21:55,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-16 23:21:56,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-16 23:21:56,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:21:56,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 23:21:56,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 23:21:56,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 23:21:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2025-03-16 23:21:56,158 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 23:21:56,158 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 23:21:56,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026849768] [2025-03-16 23:21:56,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026849768] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 23:21:56,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 23:21:56,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 23:21:56,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228470215] [2025-03-16 23:21:56,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 23:21:56,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 23:21:56,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 23:21:56,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 23:21:56,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 23:21:56,175 INFO L87 Difference]: Start difference. First operand has 64 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-16 23:21:56,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 23:21:56,192 INFO L93 Difference]: Finished difference Result 125 states and 219 transitions. [2025-03-16 23:21:56,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 23:21:56,193 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 154 [2025-03-16 23:21:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 23:21:56,197 INFO L225 Difference]: With dead ends: 125 [2025-03-16 23:21:56,197 INFO L226 Difference]: Without dead ends: 62 [2025-03-16 23:21:56,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 23:21:56,200 INFO L435 NwaCegarLoop]: 94 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, 94 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 [2025-03-16 23:21:56,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 23:21:56,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-03-16 23:21:56,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-03-16 23:21:56,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-16 23:21:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 94 transitions. [2025-03-16 23:21:56,228 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 94 transitions. Word has length 154 [2025-03-16 23:21:56,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 23:21:56,229 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 94 transitions. [2025-03-16 23:21:56,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-16 23:21:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2025-03-16 23:21:56,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-16 23:21:56,232 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 23:21:56,232 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 23:21:56,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-16 23:21:56,433 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 [2025-03-16 23:21:56,434 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 23:21:56,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 23:21:56,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1759583249, now seen corresponding path program 1 times [2025-03-16 23:21:56,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 23:21:56,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64655495] [2025-03-16 23:21:56,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:21:56,436 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 [2025-03-16 23:21:56,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 23:21:56,438 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) [2025-03-16 23:21:56,439 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 [2025-03-16 23:21:56,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-16 23:21:56,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-16 23:21:56,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:21:56,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 23:21:56,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-16 23:21:56,815 INFO L279 TraceCheckSpWp]: Computing forward predicates...