./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.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 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 22:37:30,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 22:37:30,976 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 22:37:30,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 22:37:30,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 22:37:30,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 22:37:30,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 22:37:30,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 22:37:30,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 22:37:30,998 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 22:37:30,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 22:37:30,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 22:37:30,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 22:37:30,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 22:37:31,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 22:37:31,000 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 22:37:31,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:37:31,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 22:37:31,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 22:37:31,001 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 -> 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee [2025-03-03 22:37:31,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 22:37:31,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 22:37:31,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 22:37:31,208 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 22:37:31,208 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 22:37:31,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-03-03 22:37:32,343 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e02fe98/eca20596ce0f49d9b23f0e44c9716a66/FLAG9ead52560 [2025-03-03 22:37:32,560 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 22:37:32,560 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-03-03 22:37:32,565 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e02fe98/eca20596ce0f49d9b23f0e44c9716a66/FLAG9ead52560 [2025-03-03 22:37:32,920 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e02fe98/eca20596ce0f49d9b23f0e44c9716a66 [2025-03-03 22:37:32,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 22:37:32,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 22:37:32,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 22:37:32,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 22:37:32,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 22:37:32,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:37:32" (1/1) ... [2025-03-03 22:37:32,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45756bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:32, skipping insertion in model container [2025-03-03 22:37:32,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:37:32" (1/1) ... [2025-03-03 22:37:32,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 22:37:33,022 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-03-03 22:37:33,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:37:33,065 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 22:37:33,071 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-03-03 22:37:33,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:37:33,107 INFO L204 MainTranslator]: Completed translation [2025-03-03 22:37:33,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33 WrapperNode [2025-03-03 22:37:33,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 22:37:33,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 22:37:33,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 22:37:33,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 22:37:33,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,134 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2025-03-03 22:37:33,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 22:37:33,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 22:37:33,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 22:37:33,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 22:37:33,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,142 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,154 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 22:37:33,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,158 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 22:37:33,166 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 22:37:33,166 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 22:37:33,166 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 22:37:33,167 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (1/1) ... [2025-03-03 22:37:33,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:37:33,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:37:33,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 22:37:33,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 22:37:33,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 22:37:33,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 22:37:33,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 22:37:33,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 22:37:33,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 22:37:33,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 22:37:33,270 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 22:37:33,271 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 22:37:33,449 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-03 22:37:33,449 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 22:37:33,456 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 22:37:33,456 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 22:37:33,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:37:33 BoogieIcfgContainer [2025-03-03 22:37:33,456 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 22:37:33,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 22:37:33,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 22:37:33,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 22:37:33,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 10:37:32" (1/3) ... [2025-03-03 22:37:33,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d95d355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:37:33, skipping insertion in model container [2025-03-03 22:37:33,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:33" (2/3) ... [2025-03-03 22:37:33,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d95d355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:37:33, skipping insertion in model container [2025-03-03 22:37:33,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:37:33" (3/3) ... [2025-03-03 22:37:33,463 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-61.i [2025-03-03 22:37:33,473 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 22:37:33,476 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-61.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 22:37:33,520 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 22:37:33,530 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;@3a61a670, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 22:37:33,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 22:37:33,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-03 22:37:33,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-03 22:37:33,542 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:37:33,543 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:37:33,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:37:33,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:37:33,546 INFO L85 PathProgramCache]: Analyzing trace with hash 30698183, now seen corresponding path program 1 times [2025-03-03 22:37:33,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 22:37:33,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641413154] [2025-03-03 22:37:33,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:37:33,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 22:37:33,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-03 22:37:33,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-03 22:37:33,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:37:33,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:37:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-03-03 22:37:33,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 22:37:33,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641413154] [2025-03-03 22:37:33,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641413154] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 22:37:33,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370869149] [2025-03-03 22:37:33,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:37:33,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 22:37:33,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:37:33,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 22:37:33,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 22:37:33,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-03 22:37:33,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-03 22:37:33,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:37:33,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:37:33,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 22:37:33,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:37:33,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-03-03 22:37:33,953 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 22:37:33,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370869149] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 22:37:33,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 22:37:33,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-03 22:37:33,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122341476] [2025-03-03 22:37:33,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 22:37:33,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 22:37:33,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 22:37:33,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 22:37:33,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:37:33,979 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-03 22:37:34,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 22:37:34,002 INFO L93 Difference]: Finished difference Result 122 states and 213 transitions. [2025-03-03 22:37:34,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 22:37:34,003 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 158 [2025-03-03 22:37:34,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 22:37:34,007 INFO L225 Difference]: With dead ends: 122 [2025-03-03 22:37:34,007 INFO L226 Difference]: Without dead ends: 61 [2025-03-03 22:37:34,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:37:34,011 INFO L435 NwaCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 22:37:34,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 22:37:34,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-03-03 22:37:34,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-03-03 22:37:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-03 22:37:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2025-03-03 22:37:34,038 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 158 [2025-03-03 22:37:34,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 22:37:34,038 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2025-03-03 22:37:34,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-03 22:37:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2025-03-03 22:37:34,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-03 22:37:34,043 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:37:34,044 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:37:34,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-03 22:37:34,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-03 22:37:34,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:37:34,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:37:34,246 INFO L85 PathProgramCache]: Analyzing trace with hash -25933249, now seen corresponding path program 1 times [2025-03-03 22:37:34,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 22:37:34,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021945378] [2025-03-03 22:37:34,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:37:34,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 22:37:34,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-03 22:37:34,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-03 22:37:34,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:37:34,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:37:34,388 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 22:37:34,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-03 22:37:34,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-03 22:37:34,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:37:34,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:37:34,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 22:37:34,518 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 22:37:34,518 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 22:37:34,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 22:37:34,521 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 22:37:34,605 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 22:37:34,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 10:37:34 BoogieIcfgContainer [2025-03-03 22:37:34,609 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 22:37:34,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 22:37:34,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 22:37:34,610 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 22:37:34,610 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:37:33" (3/4) ... [2025-03-03 22:37:34,612 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 22:37:34,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 22:37:34,613 INFO L158 Benchmark]: Toolchain (without parser) took 1690.47ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 47.2MB in the end (delta: 59.0MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2025-03-03 22:37:34,614 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:37:34,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.44ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 93.4MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 22:37:34,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.79ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 90.4MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 22:37:34,617 INFO L158 Benchmark]: Boogie Preprocessor took 31.31ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 86.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:37:34,617 INFO L158 Benchmark]: IcfgBuilder took 290.15ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 67.2MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-03 22:37:34,617 INFO L158 Benchmark]: TraceAbstraction took 1151.46ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 47.2MB in the end (delta: 19.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2025-03-03 22:37:34,617 INFO L158 Benchmark]: Witness Printer took 2.66ms. Allocated memory is still 142.6MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:37:34,618 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 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.44ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 93.4MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.79ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 90.4MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.31ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 86.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 290.15ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 67.2MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1151.46ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 47.2MB in the end (delta: 19.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Witness Printer took 2.66ms. Allocated memory is still 142.6MB. Free memory is still 47.2MB. 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 to_int at line 114, overapproximation of to_int at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 8; [L27] unsigned char var_1_9 = 128; [L28] unsigned char var_1_10 = 64; [L29] unsigned char var_1_11 = 100; [L30] unsigned char var_1_12 = 5; [L31] unsigned char var_1_13 = 100; [L32] unsigned char var_1_14 = 32; [L33] unsigned char var_1_15 = 64; [L34] unsigned char var_1_16 = 50; [L35] unsigned char var_1_17 = 8; [L36] unsigned char var_1_18 = 0; [L37] signed char var_1_19 = 0; [L38] signed long int var_1_20 = 255; [L39] signed long int var_1_21 = 255; [L40] unsigned short int var_1_22 = 64; [L41] signed long int var_1_23 = 32; VAL [isInitial=0, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L118] isInitial = 1 [L119] FCALL initially() [L120] COND TRUE 1 [L121] FCALL updateLastVariables() [L122] CALL updateVariables() [L71] var_1_4 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L73] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L76] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L77] var_1_6 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L78] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L79] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L81] RET assume_abort_if_not(var_1_9 >= 127) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L82] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L82] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L83] var_1_10 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L84] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L85] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L85] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L86] var_1_12 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L87] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L88] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L88] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L89] var_1_13 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L91] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L91] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L93] RET assume_abort_if_not(var_1_14 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L94] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L94] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L95] var_1_15 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_15 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L96] RET assume_abort_if_not(var_1_15 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L97] CALL assume_abort_if_not(var_1_15 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L97] RET assume_abort_if_not(var_1_15 <= 64) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L98] var_1_16 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_16 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L99] RET assume_abort_if_not(var_1_16 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L100] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L100] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L101] var_1_17 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L102] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L103] CALL assume_abort_if_not(var_1_17 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L103] RET assume_abort_if_not(var_1_17 <= 64) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L104] var_1_18 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L105] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L106] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L106] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L107] var_1_21 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_21 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L108] RET assume_abort_if_not(var_1_21 >= -2147483648) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L109] CALL assume_abort_if_not(var_1_21 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L109] RET assume_abort_if_not(var_1_21 <= 2147483647) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L122] RET updateVariables() [L123] CALL step() [L45] COND TRUE \read(var_1_6) [L46] var_1_11 = (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))) VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L50] unsigned char stepLocal_0 = var_1_6 || var_1_4; VAL [isInitial=1, stepLocal_0=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L51] COND TRUE var_1_5 || stepLocal_0 [L52] var_1_19 = var_1_15 VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L54] var_1_20 = var_1_21 [L55] var_1_22 = var_1_18 [L56] var_1_23 = 0.010000000000000009 VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L57] COND FALSE !(var_1_20 < var_1_20) VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L60] COND TRUE var_1_20 >= var_1_20 [L61] var_1_1 = var_1_5 VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L66] COND TRUE var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20))) [L67] var_1_7 = (var_1_9 - var_1_10) VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] [L123] RET step() [L124] CALL, EXPR property() [L114-L115] return (((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned char) (var_1_4 || var_1_5))) : ((var_1_20 >= var_1_20) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_6)))) && ((var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20)))) ? (var_1_7 == ((unsigned char) (var_1_9 - var_1_10))) : 1)) && (var_1_6 ? (var_1_11 == ((unsigned char) (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))) : (var_1_11 == ((unsigned char) (((64 + var_1_14) + (var_1_15 + var_1_16)) - (var_1_17 + var_1_18)))))) && ((var_1_5 || (var_1_6 || var_1_4)) ? (var_1_19 == ((signed char) var_1_15)) : 1)) && (var_1_20 == ((signed long int) var_1_21))) && (var_1_22 == ((unsigned short int) var_1_18))) && (var_1_23 == ((signed long int) 0.010000000000000009)) ; VAL [\result=0, isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] [L19] reach_error() VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 26, 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, 89 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, 89 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 159 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 475 NumberOfCodeBlocks, 475 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2550/2600 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 22:37:34,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.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 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 22:37:36,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 22:37:36,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 22:37:36,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 22:37:36,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 22:37:36,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 22:37:36,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 22:37:36,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 22:37:36,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 22:37:36,562 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 22:37:36,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 22:37:36,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 22:37:36,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 22:37:36,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 22:37:36,563 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 22:37:36,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 22:37:36,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 22:37:36,563 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 22:37:36,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 22:37:36,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 22:37:36,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 22:37:36,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 22:37:36,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 22:37:36,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 22:37:36,565 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 22:37:36,565 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 22:37:36,565 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 22:37:36,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 22:37:36,565 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 22:37:36,565 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 22:37:36,565 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 22:37:36,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:37:36,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 22:37:36,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 22:37:36,566 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 -> 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee [2025-03-03 22:37:36,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 22:37:36,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 22:37:36,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 22:37:36,806 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 22:37:36,807 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 22:37:36,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-03-03 22:37:37,950 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f500153a/e91b33e307c2420d8b6f46ab30edc313/FLAG4393b2f83 [2025-03-03 22:37:38,183 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 22:37:38,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-03-03 22:37:38,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f500153a/e91b33e307c2420d8b6f46ab30edc313/FLAG4393b2f83 [2025-03-03 22:37:38,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f500153a/e91b33e307c2420d8b6f46ab30edc313 [2025-03-03 22:37:38,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 22:37:38,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 22:37:38,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 22:37:38,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 22:37:38,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 22:37:38,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61bb1321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38, skipping insertion in model container [2025-03-03 22:37:38,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 22:37:38,658 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-03-03 22:37:38,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:37:38,697 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 22:37:38,709 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-03-03 22:37:38,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:37:38,750 INFO L204 MainTranslator]: Completed translation [2025-03-03 22:37:38,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38 WrapperNode [2025-03-03 22:37:38,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 22:37:38,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 22:37:38,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 22:37:38,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 22:37:38,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,793 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2025-03-03 22:37:38,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 22:37:38,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 22:37:38,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 22:37:38,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 22:37:38,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,805 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,817 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 22:37:38,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,826 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 22:37:38,842 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 22:37:38,842 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 22:37:38,842 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 22:37:38,842 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (1/1) ... [2025-03-03 22:37:38,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:37:38,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:37:38,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 22:37:38,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 22:37:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 22:37:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 22:37:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 22:37:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 22:37:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 22:37:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 22:37:38,952 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 22:37:38,953 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 22:37:39,134 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-03 22:37:39,135 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 22:37:39,141 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 22:37:39,141 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 22:37:39,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:37:39 BoogieIcfgContainer [2025-03-03 22:37:39,142 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 22:37:39,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 22:37:39,143 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 22:37:39,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 22:37:39,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 10:37:38" (1/3) ... [2025-03-03 22:37:39,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8578b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:37:39, skipping insertion in model container [2025-03-03 22:37:39,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:37:38" (2/3) ... [2025-03-03 22:37:39,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8578b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:37:39, skipping insertion in model container [2025-03-03 22:37:39,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:37:39" (3/3) ... [2025-03-03 22:37:39,148 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-61.i [2025-03-03 22:37:39,158 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 22:37:39,159 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-61.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 22:37:39,205 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 22:37:39,212 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;@6496ba80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 22:37:39,213 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 22:37:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-03 22:37:39,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-03 22:37:39,228 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:37:39,228 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:37:39,229 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:37:39,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:37:39,235 INFO L85 PathProgramCache]: Analyzing trace with hash 30698183, now seen corresponding path program 1 times [2025-03-03 22:37:39,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 22:37:39,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849586799] [2025-03-03 22:37:39,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:37:39,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 22:37:39,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 22:37:39,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 22:37:39,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-03 22:37:39,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-03 22:37:39,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-03 22:37:39,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:37:39,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:37:39,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 22:37:39,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:37:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2025-03-03 22:37:39,453 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 22:37:39,453 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 22:37:39,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849586799] [2025-03-03 22:37:39,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849586799] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 22:37:39,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 22:37:39,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 22:37:39,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789185820] [2025-03-03 22:37:39,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 22:37:39,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 22:37:39,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 22:37:39,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 22:37:39,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:37:39,473 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-03 22:37:39,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 22:37:39,495 INFO L93 Difference]: Finished difference Result 122 states and 213 transitions. [2025-03-03 22:37:39,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 22:37:39,497 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 158 [2025-03-03 22:37:39,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 22:37:39,501 INFO L225 Difference]: With dead ends: 122 [2025-03-03 22:37:39,501 INFO L226 Difference]: Without dead ends: 61 [2025-03-03 22:37:39,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:37:39,504 INFO L435 NwaCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 22:37:39,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 22:37:39,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-03-03 22:37:39,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-03-03 22:37:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-03 22:37:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2025-03-03 22:37:39,539 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 158 [2025-03-03 22:37:39,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 22:37:39,539 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2025-03-03 22:37:39,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-03 22:37:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2025-03-03 22:37:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-03 22:37:39,545 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:37:39,545 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:37:39,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-03 22:37:39,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 22:37:39,746 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:37:39,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:37:39,747 INFO L85 PathProgramCache]: Analyzing trace with hash -25933249, now seen corresponding path program 1 times [2025-03-03 22:37:39,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 22:37:39,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754706354] [2025-03-03 22:37:39,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:37:39,748 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 22:37:39,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 22:37:39,749 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 22:37:39,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-03 22:37:39,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-03 22:37:39,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-03 22:37:39,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:37:39,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:37:39,863 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 22:37:39,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-03 22:37:39,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-03 22:37:39,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:37:39,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:37:39,954 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2025-03-03 22:37:39,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [818732396] [2025-03-03 22:37:39,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:37:39,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-03-03 22:37:39,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2025-03-03 22:37:39,967 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-03-03 22:37:39,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-03-03 22:37:40,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-03 22:37:40,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-03 22:37:40,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:37:40,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:37:40,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-03 22:37:40,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:39:07,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 603 proven. 150 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2025-03-03 22:39:07,778 INFO L312 TraceCheckSpWp]: Computing backward predicates...