./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b88bda8e1a4209131fc4a459b5a961cf1cc3c7f6d9206d86670129fed231a369 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 03:42:00,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 03:42:00,517 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-17 03:42:00,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 03:42:00,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 03:42:00,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 03:42:00,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 03:42:00,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 03:42:00,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 03:42:00,549 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 03:42:00,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 03:42:00,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 03:42:00,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 03:42:00,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 03:42:00,550 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 03:42:00,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 03:42:00,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 03:42:00,551 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 03:42:00,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 03:42:00,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 03:42:00,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 03:42:00,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 03:42:00,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 03:42:00,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 03:42:00,551 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 03:42:00,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 03:42:00,551 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 03:42:00,551 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 03:42:00,551 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 03:42:00,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 03:42:00,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 03:42:00,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 03:42:00,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:42:00,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 03:42:00,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 03:42:00,552 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 03:42:00,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 03:42:00,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 03:42:00,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 03:42:00,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 03:42:00,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 03:42:00,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 03:42:00,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 03:42:00,553 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 -> b88bda8e1a4209131fc4a459b5a961cf1cc3c7f6d9206d86670129fed231a369 [2025-03-17 03:42:00,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 03:42:00,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 03:42:00,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 03:42:00,812 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 03:42:00,812 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 03:42:00,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i [2025-03-17 03:42:01,990 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d76be581/31c0d27002414dd9afdeb2b437da2d35/FLAG1cc07d041 [2025-03-17 03:42:02,204 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 03:42:02,205 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i [2025-03-17 03:42:02,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d76be581/31c0d27002414dd9afdeb2b437da2d35/FLAG1cc07d041 [2025-03-17 03:42:02,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d76be581/31c0d27002414dd9afdeb2b437da2d35 [2025-03-17 03:42:02,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 03:42:02,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 03:42:02,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 03:42:02,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 03:42:02,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 03:42:02,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22cac7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02, skipping insertion in model container [2025-03-17 03:42:02,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 03:42:02,384 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_loopvsstraightlinecode_25-while_file-65.i[915,928] [2025-03-17 03:42:02,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:42:02,426 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 03:42:02,434 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_loopvsstraightlinecode_25-while_file-65.i[915,928] [2025-03-17 03:42:02,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:42:02,470 INFO L204 MainTranslator]: Completed translation [2025-03-17 03:42:02,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02 WrapperNode [2025-03-17 03:42:02,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 03:42:02,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 03:42:02,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 03:42:02,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 03:42:02,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,508 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2025-03-17 03:42:02,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 03:42:02,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 03:42:02,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 03:42:02,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 03:42:02,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,537 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 03:42:02,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,542 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 03:42:02,552 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 03:42:02,553 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 03:42:02,553 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 03:42:02,553 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (1/1) ... [2025-03-17 03:42:02,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:42:02,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:42:02,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 03:42:02,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 03:42:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 03:42:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 03:42:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 03:42:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 03:42:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 03:42:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 03:42:02,658 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 03:42:02,659 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 03:42:02,819 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 03:42:02,820 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 03:42:02,826 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 03:42:02,826 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 03:42:02,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:42:02 BoogieIcfgContainer [2025-03-17 03:42:02,827 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 03:42:02,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 03:42:02,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 03:42:02,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 03:42:02,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:42:02" (1/3) ... [2025-03-17 03:42:02,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321ba204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:42:02, skipping insertion in model container [2025-03-17 03:42:02,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:02" (2/3) ... [2025-03-17 03:42:02,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321ba204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:42:02, skipping insertion in model container [2025-03-17 03:42:02,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:42:02" (3/3) ... [2025-03-17 03:42:02,835 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-65.i [2025-03-17 03:42:02,845 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 03:42:02,846 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-65.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 03:42:02,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 03:42:02,889 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;@30720bff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 03:42:02,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 03:42:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 03:42:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-17 03:42:02,902 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:42:02,903 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:42:02,903 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:42:02,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:42:02,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1931536261, now seen corresponding path program 1 times [2025-03-17 03:42:02,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 03:42:02,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364610313] [2025-03-17 03:42:02,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:42:02,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 03:42:02,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 03:42:03,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 03:42:03,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:42:03,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:42:03,132 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-03-17 03:42:03,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 03:42:03,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364610313] [2025-03-17 03:42:03,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364610313] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 03:42:03,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997895468] [2025-03-17 03:42:03,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:42:03,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 03:42:03,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:42:03,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 03:42:03,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 03:42:03,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 03:42:03,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 03:42:03,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:42:03,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:42:03,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 03:42:03,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 03:42:03,287 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-03-17 03:42:03,287 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 03:42:03,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997895468] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 03:42:03,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 03:42:03,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 03:42:03,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717167332] [2025-03-17 03:42:03,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 03:42:03,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 03:42:03,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 03:42:03,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 03:42:03,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:42:03,310 INFO L87 Difference]: Start difference. First operand has 48 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-17 03:42:03,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 03:42:03,323 INFO L93 Difference]: Finished difference Result 93 states and 159 transitions. [2025-03-17 03:42:03,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 03:42:03,324 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 106 [2025-03-17 03:42:03,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 03:42:03,329 INFO L225 Difference]: With dead ends: 93 [2025-03-17 03:42:03,329 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 03:42:03,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:42:03,335 INFO L435 NwaCegarLoop]: 68 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, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 03:42:03,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 03:42:03,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 03:42:03,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 03:42:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 03:42:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 68 transitions. [2025-03-17 03:42:03,365 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 68 transitions. Word has length 106 [2025-03-17 03:42:03,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 03:42:03,366 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 68 transitions. [2025-03-17 03:42:03,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-17 03:42:03,367 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2025-03-17 03:42:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-17 03:42:03,371 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:42:03,371 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:42:03,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 03:42:03,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 03:42:03,575 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:42:03,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:42:03,576 INFO L85 PathProgramCache]: Analyzing trace with hash 833057822, now seen corresponding path program 1 times [2025-03-17 03:42:03,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 03:42:03,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308866802] [2025-03-17 03:42:03,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:42:03,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 03:42:03,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 03:42:03,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 03:42:03,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:42:03,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 03:42:03,698 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 03:42:03,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 03:42:03,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 03:42:03,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:42:03,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 03:42:03,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 03:42:03,778 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 03:42:03,779 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 03:42:03,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 03:42:03,783 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-17 03:42:03,834 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 03:42:03,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:42:03 BoogieIcfgContainer [2025-03-17 03:42:03,836 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 03:42:03,836 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 03:42:03,837 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 03:42:03,837 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 03:42:03,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:42:02" (3/4) ... [2025-03-17 03:42:03,839 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 03:42:03,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 03:42:03,840 INFO L158 Benchmark]: Toolchain (without parser) took 1581.00ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 83.9MB in the end (delta: 21.1MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2025-03-17 03:42:03,840 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:42:03,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.08ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 92.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 03:42:03,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.06ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 90.6MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 03:42:03,841 INFO L158 Benchmark]: Boogie Preprocessor took 42.84ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 89.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:42:03,841 INFO L158 Benchmark]: IcfgBuilder took 274.69ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 73.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 03:42:03,841 INFO L158 Benchmark]: TraceAbstraction took 1006.89ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 84.7MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:42:03,841 INFO L158 Benchmark]: Witness Printer took 3.12ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 83.9MB in the end (delta: 799.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:42:03,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.08ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 92.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.06ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 90.6MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.84ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 89.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 274.69ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 73.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1006.89ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 84.7MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.12ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 83.9MB in the end (delta: 799.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someUnaryFLOAToperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 1000000000.1; [L23] float var_1_2 = 256.75; [L24] unsigned char var_1_3 = 1; [L25] float var_1_4 = 8.2; [L26] signed long int var_1_5 = -32; [L27] signed long int var_1_6 = 4; [L28] signed char var_1_7 = 5; [L29] signed char var_1_8 = 64; [L30] signed char var_1_9 = 16; [L31] signed char var_1_10 = 64; [L32] signed char var_1_11 = -64; [L33] double var_1_12 = 15.9; [L34] double var_1_13 = 1.5; [L35] double var_1_14 = 10000000000.375; [L36] unsigned char var_1_15 = 1; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L64] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L65] var_1_3 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L67] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L67] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L68] var_1_4 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L69] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L70] var_1_6 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=64, var_1_9=16] [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=64, var_1_9=16] [L72] CALL assume_abort_if_not(var_1_6 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=64, var_1_9=16] [L72] RET assume_abort_if_not(var_1_6 <= 1073741823) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=64, var_1_9=16] [L73] var_1_8 = __VERIFIER_nondet_char() [L74] CALL assume_abort_if_not(var_1_8 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=16] [L74] RET assume_abort_if_not(var_1_8 >= 63) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=16] [L75] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=16] [L75] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=16] [L76] var_1_9 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L78] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L78] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L79] var_1_10 = __VERIFIER_nondet_char() [L80] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L80] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L81] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L81] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L82] var_1_12 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L83] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L84] var_1_13 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427387900e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L85] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427387900e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L86] var_1_14 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427387900e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L87] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427387900e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L88] var_1_15 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L89] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L90] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L90] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L103] RET updateVariables() [L104] CALL step() [L40] COND FALSE !(0.625f > var_1_2) [L45] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=-32, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L47] COND TRUE \read(var_1_3) [L48] var_1_5 = ((10 + var_1_6) - 2) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=20, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L50] signed long int stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=12, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=20, var_1_6=12, var_1_7=5, var_1_8=63, var_1_9=36] [L51] COND TRUE ((64 - 25) - (var_1_8 - var_1_9)) >= stepLocal_0 [L52] var_1_7 = (((((var_1_9 - 32)) > (var_1_10)) ? ((var_1_9 - 32)) : (var_1_10))) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=20, var_1_6=12, var_1_7=4, var_1_8=63, var_1_9=36] [L54] COND FALSE !((var_1_12 - (var_1_13 + var_1_14)) <= var_1_1) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=20, var_1_6=12, var_1_7=4, var_1_8=63, var_1_9=36] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return ((((0.625f > var_1_2) ? (var_1_3 ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) : (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && (var_1_3 ? (var_1_5 == ((signed long int) ((10 + var_1_6) - 2))) : 1)) && ((((64 - 25) - (var_1_8 - var_1_9)) >= var_1_6) ? (var_1_7 == ((signed char) (((((var_1_9 - 32)) > (var_1_10)) ? ((var_1_9 - 32)) : (var_1_10))))) : 1)) && (((var_1_12 - (var_1_13 + var_1_14)) <= var_1_1) ? ((var_1_3 && var_1_15) ? (var_1_11 == ((signed char) var_1_10)) : (var_1_11 == ((signed char) var_1_9))) : 1) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=20, var_1_6=12, var_1_7=4, var_1_8=63, var_1_9=36] [L19] reach_error() VAL [isInitial=1, var_1_10=-64, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=20, var_1_6=12, var_1_7=4, var_1_8=63, var_1_9=36] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 89 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 68 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, 68 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 247 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1056/1088 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-17 03:42:03,857 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_loopvsstraightlinecode_25-while_file-65.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b88bda8e1a4209131fc4a459b5a961cf1cc3c7f6d9206d86670129fed231a369 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 03:42:05,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 03:42:05,738 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-17 03:42:05,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 03:42:05,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 03:42:05,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 03:42:05,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 03:42:05,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 03:42:05,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 03:42:05,764 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 03:42:05,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 03:42:05,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 03:42:05,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 03:42:05,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 03:42:05,767 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 03:42:05,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 03:42:05,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 03:42:05,767 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 03:42:05,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 03:42:05,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 03:42:05,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 03:42:05,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 03:42:05,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 03:42:05,768 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 03:42:05,768 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 03:42:05,768 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 03:42:05,768 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 03:42:05,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 03:42:05,768 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 03:42:05,768 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 03:42:05,768 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 03:42:05,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 03:42:05,769 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 03:42:05,769 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 03:42:05,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:42:05,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 03:42:05,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 03:42:05,769 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 03:42:05,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 03:42:05,770 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 03:42:05,770 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 03:42:05,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 03:42:05,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 03:42:05,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 03:42:05,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 03:42:05,770 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 -> b88bda8e1a4209131fc4a459b5a961cf1cc3c7f6d9206d86670129fed231a369 [2025-03-17 03:42:06,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 03:42:06,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 03:42:06,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 03:42:06,029 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 03:42:06,029 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 03:42:06,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i [2025-03-17 03:42:07,300 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2ba0486/eafe798e60a941d784931fbf6d356e49/FLAG599f6ef90 [2025-03-17 03:42:07,461 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 03:42:07,462 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i [2025-03-17 03:42:07,468 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2ba0486/eafe798e60a941d784931fbf6d356e49/FLAG599f6ef90 [2025-03-17 03:42:07,479 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2ba0486/eafe798e60a941d784931fbf6d356e49 [2025-03-17 03:42:07,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 03:42:07,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 03:42:07,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 03:42:07,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 03:42:07,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 03:42:07,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799fe5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07, skipping insertion in model container [2025-03-17 03:42:07,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 03:42:07,612 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_loopvsstraightlinecode_25-while_file-65.i[915,928] [2025-03-17 03:42:07,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:42:07,672 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 03:42:07,681 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i[915,928] [2025-03-17 03:42:07,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:42:07,719 INFO L204 MainTranslator]: Completed translation [2025-03-17 03:42:07,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07 WrapperNode [2025-03-17 03:42:07,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 03:42:07,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 03:42:07,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 03:42:07,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 03:42:07,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,759 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2025-03-17 03:42:07,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 03:42:07,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 03:42:07,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 03:42:07,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 03:42:07,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,792 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 03:42:07,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,805 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 03:42:07,815 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 03:42:07,815 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 03:42:07,815 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 03:42:07,819 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (1/1) ... [2025-03-17 03:42:07,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:42:07,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:42:07,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 03:42:07,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 03:42:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 03:42:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 03:42:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 03:42:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 03:42:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 03:42:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 03:42:07,931 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 03:42:07,933 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 03:42:13,290 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 03:42:13,290 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 03:42:13,297 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 03:42:13,298 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 03:42:13,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:42:13 BoogieIcfgContainer [2025-03-17 03:42:13,299 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 03:42:13,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 03:42:13,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 03:42:13,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 03:42:13,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:42:07" (1/3) ... [2025-03-17 03:42:13,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b82f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:42:13, skipping insertion in model container [2025-03-17 03:42:13,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:42:07" (2/3) ... [2025-03-17 03:42:13,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b82f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:42:13, skipping insertion in model container [2025-03-17 03:42:13,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:42:13" (3/3) ... [2025-03-17 03:42:13,306 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-65.i [2025-03-17 03:42:13,316 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 03:42:13,317 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-65.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 03:42:13,349 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 03:42:13,357 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;@57430bc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 03:42:13,357 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 03:42:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 03:42:13,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-17 03:42:13,367 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:42:13,368 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:42:13,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:42:13,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:42:13,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1931536261, now seen corresponding path program 1 times [2025-03-17 03:42:13,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 03:42:13,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162173469] [2025-03-17 03:42:13,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:42:13,381 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 03:42:13,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 03:42:13,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-17 03:42:13,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-17 03:42:13,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 03:42:13,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 03:42:13,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:42:13,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:42:13,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 03:42:13,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 03:42:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-03-17 03:42:13,719 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 03:42:13,720 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 03:42:13,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162173469] [2025-03-17 03:42:13,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162173469] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 03:42:13,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 03:42:13,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 03:42:13,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027102733] [2025-03-17 03:42:13,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 03:42:13,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 03:42:13,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 03:42:13,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 03:42:13,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:42:13,742 INFO L87 Difference]: Start difference. First operand has 48 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-17 03:42:13,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 03:42:13,757 INFO L93 Difference]: Finished difference Result 93 states and 159 transitions. [2025-03-17 03:42:13,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 03:42:13,759 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 106 [2025-03-17 03:42:13,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 03:42:13,763 INFO L225 Difference]: With dead ends: 93 [2025-03-17 03:42:13,763 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 03:42:13,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:42:13,781 INFO L435 NwaCegarLoop]: 68 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, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 03:42:13,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 03:42:13,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 03:42:13,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 03:42:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 03:42:13,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 68 transitions. [2025-03-17 03:42:13,809 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 68 transitions. Word has length 106 [2025-03-17 03:42:13,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 03:42:13,810 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 68 transitions. [2025-03-17 03:42:13,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-17 03:42:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2025-03-17 03:42:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-17 03:42:13,812 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:42:13,812 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:42:13,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-17 03:42:14,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 03:42:14,014 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:42:14,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:42:14,014 INFO L85 PathProgramCache]: Analyzing trace with hash 833057822, now seen corresponding path program 1 times [2025-03-17 03:42:14,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 03:42:14,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923902594] [2025-03-17 03:42:14,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:42:14,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 03:42:14,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 03:42:14,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-17 03:42:14,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-17 03:42:14,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 03:42:14,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 03:42:14,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:42:14,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:42:14,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 03:42:14,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 03:43:17,909 WARN L286 SmtUtils]: Spent 14.33s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)