./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 01:09:13,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 01:09:13,427 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 01:09:13,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 01:09:13,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 01:09:13,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 01:09:13,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 01:09:13,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 01:09:13,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 01:09:13,459 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 01:09:13,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 01:09:13,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 01:09:13,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 01:09:13,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 01:09:13,460 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 01:09:13,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 01:09:13,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 01:09:13,461 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 01:09:13,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 01:09:13,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 01:09:13,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 01:09:13,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 01:09:13,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 01:09:13,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 01:09:13,462 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 01:09:13,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 01:09:13,462 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 01:09:13,462 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 01:09:13,462 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 01:09:13,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 01:09:13,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 01:09:13,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 01:09:13,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:09:13,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 01:09:13,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 01:09:13,462 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 01:09:13,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 01:09:13,463 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 01:09:13,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 01:09:13,463 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 01:09:13,463 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 01:09:13,463 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 01:09:13,464 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 01:09:13,464 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-jdk21/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 -> 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 [2025-02-06 01:09:13,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 01:09:13,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 01:09:13,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 01:09:13,729 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 01:09:13,729 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 01:09:13,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2025-02-06 01:09:14,927 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/efdbb1faf/5e17ef79dddc4cbfba9e07b20644d1dd/FLAGb57a243dd [2025-02-06 01:09:15,211 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 01:09:15,211 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2025-02-06 01:09:15,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/efdbb1faf/5e17ef79dddc4cbfba9e07b20644d1dd/FLAGb57a243dd [2025-02-06 01:09:15,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/efdbb1faf/5e17ef79dddc4cbfba9e07b20644d1dd [2025-02-06 01:09:15,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 01:09:15,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 01:09:15,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 01:09:15,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 01:09:15,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 01:09:15,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c4b760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15, skipping insertion in model container [2025-02-06 01:09:15,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 01:09:15,359 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2025-02-06 01:09:15,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:09:15,394 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 01:09:15,401 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2025-02-06 01:09:15,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:09:15,423 INFO L204 MainTranslator]: Completed translation [2025-02-06 01:09:15,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15 WrapperNode [2025-02-06 01:09:15,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 01:09:15,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 01:09:15,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 01:09:15,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 01:09:15,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,450 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2025-02-06 01:09:15,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 01:09:15,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 01:09:15,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 01:09:15,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 01:09:15,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,473 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]. [2025-02-06 01:09:15,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,476 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 01:09:15,480 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 01:09:15,480 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 01:09:15,480 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 01:09:15,480 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (1/1) ... [2025-02-06 01:09:15,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:09:15,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 01:09:15,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 01:09:15,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 01:09:15,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 01:09:15,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 01:09:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 01:09:15,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 01:09:15,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 01:09:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 01:09:15,595 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 01:09:15,596 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 01:09:15,800 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-02-06 01:09:15,802 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 01:09:15,813 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 01:09:15,813 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 01:09:15,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:09:15 BoogieIcfgContainer [2025-02-06 01:09:15,814 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 01:09:15,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 01:09:15,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 01:09:15,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 01:09:15,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:09:15" (1/3) ... [2025-02-06 01:09:15,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225f9d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:09:15, skipping insertion in model container [2025-02-06 01:09:15,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:15" (2/3) ... [2025-02-06 01:09:15,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225f9d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:09:15, skipping insertion in model container [2025-02-06 01:09:15,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:09:15" (3/3) ... [2025-02-06 01:09:15,823 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-23.i [2025-02-06 01:09:15,834 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 01:09:15,836 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-23.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 01:09:15,882 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 01:09:15,893 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;@210e7c7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 01:09:15,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 01:09:15,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-06 01:09:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-06 01:09:15,905 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:09:15,906 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:09:15,906 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:09:15,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:09:15,911 INFO L85 PathProgramCache]: Analyzing trace with hash -204551118, now seen corresponding path program 1 times [2025-02-06 01:09:15,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 01:09:15,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095296067] [2025-02-06 01:09:15,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:09:15,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 01:09:15,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-06 01:09:16,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-06 01:09:16,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:09:16,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:09:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-02-06 01:09:16,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 01:09:16,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095296067] [2025-02-06 01:09:16,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095296067] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 01:09:16,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416217690] [2025-02-06 01:09:16,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:09:16,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 01:09:16,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 01:09:16,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 01:09:16,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 01:09:16,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-06 01:09:16,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-06 01:09:16,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:09:16,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:09:16,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 01:09:16,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 01:09:16,275 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-02-06 01:09:16,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 01:09:16,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416217690] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 01:09:16,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 01:09:16,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 01:09:16,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015965632] [2025-02-06 01:09:16,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 01:09:16,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 01:09:16,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 01:09:16,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 01:09:16,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:09:16,296 INFO L87 Difference]: Start difference. First operand has 52 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-06 01:09:16,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 01:09:16,316 INFO L93 Difference]: Finished difference Result 101 states and 168 transitions. [2025-02-06 01:09:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 01:09:16,319 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2025-02-06 01:09:16,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 01:09:16,324 INFO L225 Difference]: With dead ends: 101 [2025-02-06 01:09:16,324 INFO L226 Difference]: Without dead ends: 49 [2025-02-06 01:09:16,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:09:16,330 INFO L435 NwaCegarLoop]: 74 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, 74 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 [2025-02-06 01:09:16,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 01:09:16,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-02-06 01:09:16,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-02-06 01:09:16,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-06 01:09:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2025-02-06 01:09:16,384 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 117 [2025-02-06 01:09:16,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 01:09:16,384 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2025-02-06 01:09:16,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-06 01:09:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2025-02-06 01:09:16,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-06 01:09:16,386 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:09:16,386 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:09:16,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 01:09:16,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 01:09:16,593 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:09:16,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:09:16,594 INFO L85 PathProgramCache]: Analyzing trace with hash -463955083, now seen corresponding path program 1 times [2025-02-06 01:09:16,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 01:09:16,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248804579] [2025-02-06 01:09:16,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:09:16,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 01:09:16,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-06 01:09:16,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-06 01:09:16,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:09:16,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 01:09:16,826 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 01:09:16,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-06 01:09:16,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-06 01:09:16,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:09:16,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 01:09:16,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 01:09:16,976 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 01:09:16,977 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 01:09:16,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 01:09:16,981 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 01:09:17,051 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 01:09:17,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 01:09:17 BoogieIcfgContainer [2025-02-06 01:09:17,057 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 01:09:17,058 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 01:09:17,059 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 01:09:17,059 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 01:09:17,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:09:15" (3/4) ... [2025-02-06 01:09:17,061 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 01:09:17,062 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 01:09:17,062 INFO L158 Benchmark]: Toolchain (without parser) took 1822.65ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 66.2MB in the end (delta: 45.5MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2025-02-06 01:09:17,062 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 01:09:17,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.90ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 98.2MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 01:09:17,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.75ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 01:09:17,063 INFO L158 Benchmark]: Boogie Preprocessor took 26.71ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 95.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 01:09:17,063 INFO L158 Benchmark]: IcfgBuilder took 334.45ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 79.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 01:09:17,063 INFO L158 Benchmark]: TraceAbstraction took 1241.60ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 66.9MB in the end (delta: 11.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2025-02-06 01:09:17,065 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 66.2MB in the end (delta: 773.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 01:09:17,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.90ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 98.2MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.75ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.71ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 95.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 334.45ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 79.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1241.60ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 66.9MB in the end (delta: 11.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 66.2MB in the end (delta: 773.2kB). 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 94, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 0; [L23] unsigned long int var_1_2 = 16; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 25; [L26] float var_1_6 = 999.7; [L27] float var_1_8 = 9.75; [L28] float var_1_9 = 1.75; [L29] unsigned long int var_1_10 = 16; [L30] unsigned long int var_1_11 = 1277342739; [L31] unsigned long int var_1_12 = 1394088949; [L32] unsigned long int var_1_13 = 0; [L33] unsigned char var_1_14 = 0; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 0; [L36] float var_1_19 = 10.5; [L37] float var_1_20 = 4.47; [L38] unsigned char var_1_21 = 1; [L39] unsigned char var_1_22 = 0; VAL [isInitial=0, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=16, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L98] isInitial = 1 [L99] FCALL initially() [L100] int k_loop; [L101] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=16, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L101] COND TRUE k_loop < 1 [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L62] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L62] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L63] var_1_3 = __VERIFIER_nondet_ulong() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L65] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L65] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L66] var_1_6 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L67] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L68] CALL assume_abort_if_not(var_1_6 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L68] RET assume_abort_if_not(var_1_6 != 0.0F) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L69] var_1_8 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_9=7/4] [L70] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25, var_1_9=7/4] [L71] var_1_9 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L72] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L73] var_1_11 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L74] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L75] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L75] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L76] var_1_12 = __VERIFIER_nondet_ulong() [L77] CALL assume_abort_if_not(var_1_12 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L77] RET assume_abort_if_not(var_1_12 >= 1073741824) VAL [isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L78] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L78] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L79] var_1_13 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L80] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L81] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L81] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L82] var_1_17 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L83] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L84] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L84] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L85] var_1_20 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L86] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L87] var_1_22 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L88] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L89] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L89] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L103] RET updateVariables() [L104] CALL step() [L43] var_1_1 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) [L44] var_1_10 = ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13)))) [L45] var_1_18 = var_1_17 [L46] var_1_19 = var_1_20 [L47] var_1_21 = var_1_22 VAL [isInitial=1, var_1_10=-2, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=6442450948, var_1_1=4, var_1_20=6442450948, var_1_21=0, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=25] [L48] COND TRUE (var_1_19 / var_1_6) <= (var_1_19 + (var_1_8 - var_1_9)) [L49] var_1_4 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, var_1_10=-2, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=6442450948, var_1_1=4, var_1_20=6442450948, var_1_21=0, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=4] [L51] COND FALSE !(\read(var_1_21)) VAL [isInitial=1, var_1_10=-2, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=6442450948, var_1_1=4, var_1_20=6442450948, var_1_21=0, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=4] [L104] RET step() [L105] CALL, EXPR property() [L94-L95] return ((((((var_1_1 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) && (((var_1_19 / var_1_6) <= (var_1_19 + (var_1_8 - var_1_9))) ? (var_1_4 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1)) && (var_1_10 == ((unsigned long int) ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13))))))) && (var_1_21 ? ((! ((var_1_19 / var_1_6) < (var_1_8 - var_1_9))) ? (var_1_21 ? (var_1_14 == ((unsigned char) (! var_1_17))) : 1) : 1) : 1)) && (var_1_18 == ((unsigned char) var_1_17))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((unsigned char) var_1_22)) ; VAL [\result=0, isInitial=1, var_1_10=-2, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=6442450948, var_1_1=4, var_1_20=6442450948, var_1_21=0, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=4] [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-2, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=6442450948, var_1_1=4, var_1_20=6442450948, var_1_21=0, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=4] [L19] reach_error() VAL [isInitial=1, var_1_10=-2, var_1_11=-10737418241, var_1_12=6442450943, var_1_13=-4294967296, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=6442450948, var_1_1=4, var_1_20=6442450948, var_1_21=0, var_1_22=0, var_1_2=4294967294, var_1_3=4, var_1_4=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 74 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, 74 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 274 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1332/1368 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 [2025-02-06 01:09:17,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 01:09:18,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 01:09:19,039 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 01:09:19,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 01:09:19,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 01:09:19,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 01:09:19,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 01:09:19,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 01:09:19,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 01:09:19,067 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 01:09:19,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 01:09:19,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 01:09:19,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 01:09:19,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 01:09:19,068 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 01:09:19,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 01:09:19,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 01:09:19,069 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 01:09:19,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 01:09:19,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 01:09:19,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 01:09:19,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 01:09:19,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 01:09:19,069 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 01:09:19,069 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 01:09:19,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 01:09:19,069 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 01:09:19,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 01:09:19,070 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 01:09:19,070 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 01:09:19,070 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 01:09:19,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 01:09:19,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 01:09:19,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 01:09:19,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:09:19,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 01:09:19,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 01:09:19,071 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 01:09:19,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 01:09:19,071 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 01:09:19,071 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 01:09:19,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 01:09:19,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 01:09:19,071 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 01:09:19,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 01:09:19,072 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-jdk21/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 -> 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 [2025-02-06 01:09:19,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 01:09:19,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 01:09:19,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 01:09:19,319 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 01:09:19,320 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 01:09:19,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2025-02-06 01:09:20,484 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d2094640b/894fa53d661f4bea8e18db046c1ab8a2/FLAG1b920ec50 [2025-02-06 01:09:20,691 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 01:09:20,693 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2025-02-06 01:09:20,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d2094640b/894fa53d661f4bea8e18db046c1ab8a2/FLAG1b920ec50 [2025-02-06 01:09:21,051 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d2094640b/894fa53d661f4bea8e18db046c1ab8a2 [2025-02-06 01:09:21,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 01:09:21,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 01:09:21,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 01:09:21,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 01:09:21,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 01:09:21,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58fe0a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21, skipping insertion in model container [2025-02-06 01:09:21,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,077 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 01:09:21,166 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2025-02-06 01:09:21,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:09:21,222 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 01:09:21,232 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2025-02-06 01:09:21,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:09:21,259 INFO L204 MainTranslator]: Completed translation [2025-02-06 01:09:21,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21 WrapperNode [2025-02-06 01:09:21,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 01:09:21,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 01:09:21,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 01:09:21,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 01:09:21,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,299 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2025-02-06 01:09:21,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 01:09:21,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 01:09:21,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 01:09:21,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 01:09:21,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,309 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,322 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]. [2025-02-06 01:09:21,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,332 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 01:09:21,347 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 01:09:21,347 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 01:09:21,347 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 01:09:21,348 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (1/1) ... [2025-02-06 01:09:21,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:09:21,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 01:09:21,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 01:09:21,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 01:09:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 01:09:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 01:09:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 01:09:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 01:09:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 01:09:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 01:09:21,509 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 01:09:21,512 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 01:09:31,570 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-02-06 01:09:31,570 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 01:09:31,578 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 01:09:31,578 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 01:09:31,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:09:31 BoogieIcfgContainer [2025-02-06 01:09:31,579 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 01:09:31,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 01:09:31,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 01:09:31,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 01:09:31,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:09:21" (1/3) ... [2025-02-06 01:09:31,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6d1d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:09:31, skipping insertion in model container [2025-02-06 01:09:31,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:09:21" (2/3) ... [2025-02-06 01:09:31,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6d1d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:09:31, skipping insertion in model container [2025-02-06 01:09:31,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:09:31" (3/3) ... [2025-02-06 01:09:31,586 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-23.i [2025-02-06 01:09:31,595 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 01:09:31,596 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-23.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 01:09:31,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 01:09:31,642 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;@4d31e6b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 01:09:31,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 01:09:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-06 01:09:31,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-06 01:09:31,651 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:09:31,652 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:09:31,652 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:09:31,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:09:31,656 INFO L85 PathProgramCache]: Analyzing trace with hash -204551118, now seen corresponding path program 1 times [2025-02-06 01:09:31,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 01:09:31,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458837603] [2025-02-06 01:09:31,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:09:31,664 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 [2025-02-06 01:09:31,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 01:09:31,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-02-06 01:09:31,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 01:09:31,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-06 01:09:31,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-06 01:09:31,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:09:31,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:09:31,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 01:09:32,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 01:09:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2025-02-06 01:09:32,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 01:09:32,033 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 01:09:32,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458837603] [2025-02-06 01:09:32,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458837603] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 01:09:32,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 01:09:32,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 01:09:32,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220960888] [2025-02-06 01:09:32,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 01:09:32,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 01:09:32,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 01:09:32,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 01:09:32,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:09:32,051 INFO L87 Difference]: Start difference. First operand has 52 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-06 01:09:32,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 01:09:32,093 INFO L93 Difference]: Finished difference Result 101 states and 168 transitions. [2025-02-06 01:09:32,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 01:09:32,095 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2025-02-06 01:09:32,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 01:09:32,098 INFO L225 Difference]: With dead ends: 101 [2025-02-06 01:09:32,099 INFO L226 Difference]: Without dead ends: 49 [2025-02-06 01:09:32,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:09:32,102 INFO L435 NwaCegarLoop]: 74 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, 74 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 [2025-02-06 01:09:32,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 01:09:32,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-02-06 01:09:32,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-02-06 01:09:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-06 01:09:32,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2025-02-06 01:09:32,126 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 117 [2025-02-06 01:09:32,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 01:09:32,126 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2025-02-06 01:09:32,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-06 01:09:32,126 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2025-02-06 01:09:32,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-06 01:09:32,129 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:09:32,129 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:09:32,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 01:09:32,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-02-06 01:09:32,333 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:09:32,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:09:32,334 INFO L85 PathProgramCache]: Analyzing trace with hash -463955083, now seen corresponding path program 1 times [2025-02-06 01:09:32,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 01:09:32,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33550439] [2025-02-06 01:09:32,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:09:32,335 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 [2025-02-06 01:09:32,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 01:09:32,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-02-06 01:09:32,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 01:09:32,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-06 01:09:32,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-06 01:09:32,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:09:32,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:09:32,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 01:09:32,655 INFO L279 TraceCheckSpWp]: Computing forward predicates...