./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 089795398a8922223d9c59a73b728d08f2d95b0dfbd76a368d772ce02a671288 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 01:24:53,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 01:24:53,760 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-17 01:24:53,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 01:24:53,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 01:24:53,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 01:24:53,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 01:24:53,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 01:24:53,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 01:24:53,789 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 01:24:53,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 01:24:53,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 01:24:53,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 01:24:53,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 01:24:53,790 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 01:24:53,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 01:24:53,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 01:24:53,791 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 01:24:53,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 01:24:53,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 01:24:53,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 01:24:53,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 01:24:53,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 01:24:53,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 01:24:53,791 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 01:24:53,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 01:24:53,791 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 01:24:53,792 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 01:24:53,792 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 01:24:53,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 01:24:53,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 01:24:53,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 01:24:53,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 01:24:53,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 01:24:53,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 01:24:53,793 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 01:24:53,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 01:24:53,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 01:24:53,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 01:24:53,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 01:24:53,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 01:24:53,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 01:24:53,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 01:24:53,793 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 089795398a8922223d9c59a73b728d08f2d95b0dfbd76a368d772ce02a671288 [2025-03-17 01:24:54,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 01:24:54,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 01:24:54,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 01:24:54,015 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 01:24:54,015 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 01:24:54,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i [2025-03-17 01:24:55,143 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b5cb8fb/f5adb1731a5b48b78edc32490166c8ff/FLAGe79fd1222 [2025-03-17 01:24:55,380 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 01:24:55,380 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i [2025-03-17 01:24:55,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b5cb8fb/f5adb1731a5b48b78edc32490166c8ff/FLAGe79fd1222 [2025-03-17 01:24:55,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b5cb8fb/f5adb1731a5b48b78edc32490166c8ff [2025-03-17 01:24:55,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 01:24:55,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 01:24:55,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 01:24:55,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 01:24:55,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 01:24:55,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:55,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f12a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55, skipping insertion in model container [2025-03-17 01:24:55,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:55,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 01:24:55,834 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i[918,931] [2025-03-17 01:24:55,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 01:24:55,908 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 01:24:55,917 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i[918,931] [2025-03-17 01:24:55,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 01:24:55,967 INFO L204 MainTranslator]: Completed translation [2025-03-17 01:24:55,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55 WrapperNode [2025-03-17 01:24:55,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 01:24:55,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 01:24:55,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 01:24:55,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 01:24:55,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:55,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:56,016 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 229 [2025-03-17 01:24:56,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 01:24:56,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 01:24:56,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 01:24:56,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 01:24:56,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:56,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:56,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:56,048 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 01:24:56,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:56,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:56,057 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:56,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:56,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:56,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:56,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 01:24:56,071 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 01:24:56,071 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 01:24:56,071 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 01:24:56,072 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (1/1) ... [2025-03-17 01:24:56,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 01:24:56,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 01:24:56,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 01:24:56,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 01:24:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 01:24:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 01:24:56,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 01:24:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 01:24:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 01:24:56,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 01:24:56,181 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 01:24:56,182 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 01:24:56,458 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-03-17 01:24:56,458 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 01:24:56,473 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 01:24:56,474 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 01:24:56,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 01:24:56 BoogieIcfgContainer [2025-03-17 01:24:56,474 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 01:24:56,476 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 01:24:56,476 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 01:24:56,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 01:24:56,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 01:24:55" (1/3) ... [2025-03-17 01:24:56,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d02bc9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 01:24:56, skipping insertion in model container [2025-03-17 01:24:56,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:24:55" (2/3) ... [2025-03-17 01:24:56,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d02bc9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 01:24:56, skipping insertion in model container [2025-03-17 01:24:56,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 01:24:56" (3/3) ... [2025-03-17 01:24:56,483 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i [2025-03-17 01:24:56,492 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 01:24:56,494 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i that has 2 procedures, 91 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 01:24:56,534 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 01:24:56,542 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;@373e4823, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 01:24:56,543 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 01:24:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 63 states have internal predecessors, (94), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-17 01:24:56,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-17 01:24:56,557 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:24:56,558 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:24:56,559 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:24:56,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:24:56,563 INFO L85 PathProgramCache]: Analyzing trace with hash 565475399, now seen corresponding path program 1 times [2025-03-17 01:24:56,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 01:24:56,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050494467] [2025-03-17 01:24:56,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:24:56,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 01:24:56,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-17 01:24:56,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-17 01:24:56,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:24:56,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:24:56,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-03-17 01:24:56,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 01:24:56,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050494467] [2025-03-17 01:24:56,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050494467] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 01:24:56,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615167452] [2025-03-17 01:24:56,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:24:56,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 01:24:56,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 01:24:56,825 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 01:24:56,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 01:24:56,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-17 01:24:56,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-17 01:24:56,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:24:56,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:24:56,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 01:24:56,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 01:24:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-03-17 01:24:57,023 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 01:24:57,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615167452] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 01:24:57,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 01:24:57,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 01:24:57,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720564631] [2025-03-17 01:24:57,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 01:24:57,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 01:24:57,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 01:24:57,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 01:24:57,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 01:24:57,046 INFO L87 Difference]: Start difference. First operand has 91 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 63 states have internal predecessors, (94), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-17 01:24:57,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 01:24:57,075 INFO L93 Difference]: Finished difference Result 179 states and 316 transitions. [2025-03-17 01:24:57,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 01:24:57,077 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 170 [2025-03-17 01:24:57,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 01:24:57,082 INFO L225 Difference]: With dead ends: 179 [2025-03-17 01:24:57,082 INFO L226 Difference]: Without dead ends: 89 [2025-03-17 01:24:57,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 01:24:57,089 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 01:24:57,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 01:24:57,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2025-03-17 01:24:57,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2025-03-17 01:24:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 61 states have (on average 1.4262295081967213) internal successors, (87), 61 states have internal predecessors, (87), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-17 01:24:57,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 139 transitions. [2025-03-17 01:24:57,125 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 139 transitions. Word has length 170 [2025-03-17 01:24:57,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 01:24:57,126 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 139 transitions. [2025-03-17 01:24:57,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-17 01:24:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2025-03-17 01:24:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-17 01:24:57,128 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:24:57,128 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:24:57,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 01:24:57,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 01:24:57,329 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:24:57,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:24:57,330 INFO L85 PathProgramCache]: Analyzing trace with hash -257156324, now seen corresponding path program 1 times [2025-03-17 01:24:57,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 01:24:57,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521966954] [2025-03-17 01:24:57,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:24:57,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 01:24:57,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-17 01:24:57,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-17 01:24:57,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:24:57,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:24:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-03-17 01:24:57,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 01:24:57,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521966954] [2025-03-17 01:24:57,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521966954] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 01:24:57,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 01:24:57,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 01:24:57,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197792767] [2025-03-17 01:24:57,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 01:24:57,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 01:24:57,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 01:24:57,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 01:24:57,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 01:24:57,543 INFO L87 Difference]: Start difference. First operand 89 states and 139 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 01:24:57,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 01:24:57,617 INFO L93 Difference]: Finished difference Result 264 states and 413 transitions. [2025-03-17 01:24:57,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 01:24:57,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2025-03-17 01:24:57,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 01:24:57,619 INFO L225 Difference]: With dead ends: 264 [2025-03-17 01:24:57,619 INFO L226 Difference]: Without dead ends: 176 [2025-03-17 01:24:57,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 01:24:57,623 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 127 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 01:24:57,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 375 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 01:24:57,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-03-17 01:24:57,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2025-03-17 01:24:57,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 119 states have (on average 1.403361344537815) internal successors, (167), 119 states have internal predecessors, (167), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-03-17 01:24:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 271 transitions. [2025-03-17 01:24:57,659 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 271 transitions. Word has length 171 [2025-03-17 01:24:57,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 01:24:57,659 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 271 transitions. [2025-03-17 01:24:57,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 01:24:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 271 transitions. [2025-03-17 01:24:57,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-17 01:24:57,663 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:24:57,663 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:24:57,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 01:24:57,663 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:24:57,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:24:57,664 INFO L85 PathProgramCache]: Analyzing trace with hash -453669829, now seen corresponding path program 1 times [2025-03-17 01:24:57,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 01:24:57,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990056108] [2025-03-17 01:24:57,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:24:57,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 01:24:57,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-17 01:24:57,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-17 01:24:57,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:24:57,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:24:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-03-17 01:24:57,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 01:24:57,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990056108] [2025-03-17 01:24:57,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990056108] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 01:24:57,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 01:24:57,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 01:24:57,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369024801] [2025-03-17 01:24:57,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 01:24:57,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 01:24:57,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 01:24:57,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 01:24:57,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 01:24:57,995 INFO L87 Difference]: Start difference. First operand 174 states and 271 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 01:24:58,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 01:24:58,139 INFO L93 Difference]: Finished difference Result 448 states and 697 transitions. [2025-03-17 01:24:58,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 01:24:58,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2025-03-17 01:24:58,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 01:24:58,142 INFO L225 Difference]: With dead ends: 448 [2025-03-17 01:24:58,142 INFO L226 Difference]: Without dead ends: 275 [2025-03-17 01:24:58,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 01:24:58,143 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 131 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 01:24:58,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 399 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 01:24:58,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-03-17 01:24:58,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 221. [2025-03-17 01:24:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 139 states have (on average 1.3453237410071943) internal successors, (187), 139 states have internal predecessors, (187), 78 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2025-03-17 01:24:58,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 343 transitions. [2025-03-17 01:24:58,179 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 343 transitions. Word has length 171 [2025-03-17 01:24:58,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 01:24:58,179 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 343 transitions. [2025-03-17 01:24:58,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 01:24:58,180 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 343 transitions. [2025-03-17 01:24:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-17 01:24:58,181 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:24:58,181 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:24:58,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 01:24:58,181 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:24:58,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:24:58,182 INFO L85 PathProgramCache]: Analyzing trace with hash 409544006, now seen corresponding path program 1 times [2025-03-17 01:24:58,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 01:24:58,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573503820] [2025-03-17 01:24:58,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:24:58,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 01:24:58,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-17 01:24:58,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-17 01:24:58,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:24:58,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:24:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-03-17 01:24:58,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 01:24:58,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573503820] [2025-03-17 01:24:58,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573503820] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 01:24:58,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 01:24:58,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-17 01:24:58,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097023770] [2025-03-17 01:24:58,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 01:24:58,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 01:24:58,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 01:24:58,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 01:24:58,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-17 01:24:58,757 INFO L87 Difference]: Start difference. First operand 221 states and 343 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 01:24:59,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 01:24:59,508 INFO L93 Difference]: Finished difference Result 693 states and 1049 transitions. [2025-03-17 01:24:59,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 01:24:59,509 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2025-03-17 01:24:59,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 01:24:59,512 INFO L225 Difference]: With dead ends: 693 [2025-03-17 01:24:59,512 INFO L226 Difference]: Without dead ends: 520 [2025-03-17 01:24:59,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2025-03-17 01:24:59,515 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 482 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 01:24:59,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 653 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 01:24:59,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2025-03-17 01:24:59,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 412. [2025-03-17 01:24:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 274 states have (on average 1.3722627737226278) internal successors, (376), 274 states have internal predecessors, (376), 130 states have call successors, (130), 7 states have call predecessors, (130), 7 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2025-03-17 01:24:59,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 636 transitions. [2025-03-17 01:24:59,598 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 636 transitions. Word has length 172 [2025-03-17 01:24:59,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 01:24:59,600 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 636 transitions. [2025-03-17 01:24:59,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 01:24:59,601 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 636 transitions. [2025-03-17 01:24:59,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-17 01:24:59,602 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:24:59,602 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:24:59,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 01:24:59,603 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:24:59,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:24:59,603 INFO L85 PathProgramCache]: Analyzing trace with hash 538626725, now seen corresponding path program 1 times [2025-03-17 01:24:59,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 01:24:59,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415925900] [2025-03-17 01:24:59,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:24:59,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 01:24:59,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-17 01:24:59,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-17 01:24:59,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:24:59,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:24:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-03-17 01:24:59,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 01:24:59,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415925900] [2025-03-17 01:24:59,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415925900] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 01:24:59,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839194727] [2025-03-17 01:24:59,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:24:59,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 01:24:59,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 01:24:59,830 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 01:24:59,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 01:24:59,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-17 01:24:59,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-17 01:24:59,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:24:59,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:24:59,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 01:24:59,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 01:25:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 763 proven. 66 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2025-03-17 01:25:00,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 01:25:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-03-17 01:25:01,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839194727] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 01:25:01,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 01:25:01,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 10] total 23 [2025-03-17 01:25:01,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631107206] [2025-03-17 01:25:01,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 01:25:01,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 01:25:01,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 01:25:01,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 01:25:01,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2025-03-17 01:25:01,356 INFO L87 Difference]: Start difference. First operand 412 states and 636 transitions. Second operand has 23 states, 23 states have (on average 5.043478260869565) internal successors, (116), 23 states have internal predecessors, (116), 7 states have call successors, (74), 4 states have call predecessors, (74), 7 states have return successors, (75), 7 states have call predecessors, (75), 7 states have call successors, (75) [2025-03-17 01:25:05,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 01:25:05,658 INFO L93 Difference]: Finished difference Result 1888 states and 2682 transitions. [2025-03-17 01:25:05,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2025-03-17 01:25:05,659 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 5.043478260869565) internal successors, (116), 23 states have internal predecessors, (116), 7 states have call successors, (74), 4 states have call predecessors, (74), 7 states have return successors, (75), 7 states have call predecessors, (75), 7 states have call successors, (75) Word has length 172 [2025-03-17 01:25:05,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 01:25:05,670 INFO L225 Difference]: With dead ends: 1888 [2025-03-17 01:25:05,671 INFO L226 Difference]: Without dead ends: 1524 [2025-03-17 01:25:05,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9755 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3949, Invalid=19307, Unknown=0, NotChecked=0, Total=23256 [2025-03-17 01:25:05,679 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 3124 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 1381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3124 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 2915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1381 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-17 01:25:05,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3124 Valid, 802 Invalid, 2915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1381 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-17 01:25:05,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2025-03-17 01:25:05,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 905. [2025-03-17 01:25:05,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 615 states have (on average 1.2227642276422763) internal successors, (752), 621 states have internal predecessors, (752), 234 states have call successors, (234), 55 states have call predecessors, (234), 55 states have return successors, (234), 228 states have call predecessors, (234), 234 states have call successors, (234) [2025-03-17 01:25:05,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1220 transitions. [2025-03-17 01:25:05,782 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1220 transitions. Word has length 172 [2025-03-17 01:25:05,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 01:25:05,783 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1220 transitions. [2025-03-17 01:25:05,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.043478260869565) internal successors, (116), 23 states have internal predecessors, (116), 7 states have call successors, (74), 4 states have call predecessors, (74), 7 states have return successors, (75), 7 states have call predecessors, (75), 7 states have call successors, (75) [2025-03-17 01:25:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1220 transitions. [2025-03-17 01:25:05,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-03-17 01:25:05,784 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:25:05,785 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:25:05,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 01:25:05,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 01:25:05,986 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:25:05,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:25:05,986 INFO L85 PathProgramCache]: Analyzing trace with hash 341074147, now seen corresponding path program 1 times [2025-03-17 01:25:05,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 01:25:05,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448353761] [2025-03-17 01:25:05,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:25:05,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 01:25:06,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-17 01:25:06,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-17 01:25:06,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:06,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:25:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-03-17 01:25:06,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 01:25:06,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448353761] [2025-03-17 01:25:06,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448353761] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 01:25:06,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679179789] [2025-03-17 01:25:06,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:25:06,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 01:25:06,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 01:25:06,193 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 01:25:06,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 01:25:06,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-17 01:25:06,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-17 01:25:06,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:06,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:25:06,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 01:25:06,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 01:25:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 803 proven. 54 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2025-03-17 01:25:06,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 01:25:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-03-17 01:25:06,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679179789] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 01:25:06,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 01:25:06,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-03-17 01:25:06,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962841746] [2025-03-17 01:25:06,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 01:25:06,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 01:25:06,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 01:25:06,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 01:25:06,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-03-17 01:25:06,727 INFO L87 Difference]: Start difference. First operand 905 states and 1220 transitions. Second operand has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 6 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) [2025-03-17 01:25:06,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 01:25:06,972 INFO L93 Difference]: Finished difference Result 1808 states and 2402 transitions. [2025-03-17 01:25:06,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 01:25:06,973 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 6 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) Word has length 174 [2025-03-17 01:25:06,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 01:25:06,983 INFO L225 Difference]: With dead ends: 1808 [2025-03-17 01:25:06,983 INFO L226 Difference]: Without dead ends: 967 [2025-03-17 01:25:06,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2025-03-17 01:25:06,991 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 243 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 01:25:06,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 259 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 01:25:06,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2025-03-17 01:25:07,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 802. [2025-03-17 01:25:07,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 549 states have (on average 1.2112932604735884) internal successors, (665), 553 states have internal predecessors, (665), 196 states have call successors, (196), 56 states have call predecessors, (196), 56 states have return successors, (196), 192 states have call predecessors, (196), 196 states have call successors, (196) [2025-03-17 01:25:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1057 transitions. [2025-03-17 01:25:07,052 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1057 transitions. Word has length 174 [2025-03-17 01:25:07,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 01:25:07,053 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1057 transitions. [2025-03-17 01:25:07,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 6 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) [2025-03-17 01:25:07,053 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1057 transitions. [2025-03-17 01:25:07,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-03-17 01:25:07,054 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:25:07,054 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:25:07,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 01:25:07,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 01:25:07,255 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:25:07,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:25:07,256 INFO L85 PathProgramCache]: Analyzing trace with hash 336098595, now seen corresponding path program 1 times [2025-03-17 01:25:07,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 01:25:07,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336908073] [2025-03-17 01:25:07,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:25:07,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 01:25:07,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-17 01:25:07,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-17 01:25:07,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:07,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:25:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-03-17 01:25:07,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 01:25:07,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336908073] [2025-03-17 01:25:07,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336908073] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 01:25:07,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307072356] [2025-03-17 01:25:07,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:25:07,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 01:25:07,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 01:25:07,536 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 01:25:07,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 01:25:07,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-17 01:25:07,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-17 01:25:07,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:07,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:25:07,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-17 01:25:07,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 01:25:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 829 proven. 78 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2025-03-17 01:25:08,497 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 01:25:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 66 proven. 81 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2025-03-17 01:25:09,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307072356] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 01:25:09,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 01:25:09,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 15] total 33 [2025-03-17 01:25:09,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497538127] [2025-03-17 01:25:09,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 01:25:09,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-03-17 01:25:09,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 01:25:09,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-03-17 01:25:09,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=843, Unknown=0, NotChecked=0, Total=1056 [2025-03-17 01:25:09,632 INFO L87 Difference]: Start difference. First operand 802 states and 1057 transitions. Second operand has 33 states, 31 states have (on average 4.580645161290323) internal successors, (142), 33 states have internal predecessors, (142), 12 states have call successors, (78), 5 states have call predecessors, (78), 9 states have return successors, (78), 9 states have call predecessors, (78), 12 states have call successors, (78) [2025-03-17 01:25:11,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 01:25:11,931 INFO L93 Difference]: Finished difference Result 2138 states and 2764 transitions. [2025-03-17 01:25:11,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-17 01:25:11,932 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 4.580645161290323) internal successors, (142), 33 states have internal predecessors, (142), 12 states have call successors, (78), 5 states have call predecessors, (78), 9 states have return successors, (78), 9 states have call predecessors, (78), 12 states have call successors, (78) Word has length 174 [2025-03-17 01:25:11,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 01:25:11,937 INFO L225 Difference]: With dead ends: 2138 [2025-03-17 01:25:11,937 INFO L226 Difference]: Without dead ends: 1404 [2025-03-17 01:25:11,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1911 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1581, Invalid=4899, Unknown=0, NotChecked=0, Total=6480 [2025-03-17 01:25:11,941 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 1498 mSDsluCounter, 1381 mSDsCounter, 0 mSdLazyCounter, 2264 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 1454 SdHoareTripleChecker+Invalid, 2672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 2264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-17 01:25:11,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1521 Valid, 1454 Invalid, 2672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 2264 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-17 01:25:11,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2025-03-17 01:25:12,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1093. [2025-03-17 01:25:12,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 761 states have (on average 1.1957950065703022) internal successors, (910), 771 states have internal predecessors, (910), 244 states have call successors, (244), 87 states have call predecessors, (244), 87 states have return successors, (244), 234 states have call predecessors, (244), 244 states have call successors, (244) [2025-03-17 01:25:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1398 transitions. [2025-03-17 01:25:12,036 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1398 transitions. Word has length 174 [2025-03-17 01:25:12,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 01:25:12,038 INFO L471 AbstractCegarLoop]: Abstraction has 1093 states and 1398 transitions. [2025-03-17 01:25:12,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 4.580645161290323) internal successors, (142), 33 states have internal predecessors, (142), 12 states have call successors, (78), 5 states have call predecessors, (78), 9 states have return successors, (78), 9 states have call predecessors, (78), 12 states have call successors, (78) [2025-03-17 01:25:12,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1398 transitions. [2025-03-17 01:25:12,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-03-17 01:25:12,040 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:25:12,040 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:25:12,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 01:25:12,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 01:25:12,241 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:25:12,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:25:12,241 INFO L85 PathProgramCache]: Analyzing trace with hash 412792925, now seen corresponding path program 1 times [2025-03-17 01:25:12,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 01:25:12,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506758018] [2025-03-17 01:25:12,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:25:12,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 01:25:12,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-17 01:25:12,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-17 01:25:12,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:12,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:25:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-03-17 01:25:12,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 01:25:12,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506758018] [2025-03-17 01:25:12,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506758018] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 01:25:12,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849367885] [2025-03-17 01:25:12,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:25:12,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 01:25:12,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 01:25:12,369 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 01:25:12,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 01:25:12,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-17 01:25:12,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-17 01:25:12,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:12,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:25:12,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 01:25:12,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 01:25:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 663 proven. 42 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2025-03-17 01:25:12,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 01:25:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-03-17 01:25:12,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849367885] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 01:25:12,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 01:25:12,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-03-17 01:25:12,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238179647] [2025-03-17 01:25:12,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 01:25:12,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 01:25:12,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 01:25:12,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 01:25:12,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 01:25:12,697 INFO L87 Difference]: Start difference. First operand 1093 states and 1398 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2025-03-17 01:25:12,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 01:25:12,902 INFO L93 Difference]: Finished difference Result 2156 states and 2740 transitions. [2025-03-17 01:25:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 01:25:12,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 175 [2025-03-17 01:25:12,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 01:25:12,909 INFO L225 Difference]: With dead ends: 2156 [2025-03-17 01:25:12,909 INFO L226 Difference]: Without dead ends: 1143 [2025-03-17 01:25:12,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-03-17 01:25:12,911 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 142 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 01:25:12,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 240 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 01:25:12,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2025-03-17 01:25:13,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1129. [2025-03-17 01:25:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 788 states have (on average 1.1789340101522843) internal successors, (929), 798 states have internal predecessors, (929), 244 states have call successors, (244), 96 states have call predecessors, (244), 96 states have return successors, (244), 234 states have call predecessors, (244), 244 states have call successors, (244) [2025-03-17 01:25:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1417 transitions. [2025-03-17 01:25:13,016 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1417 transitions. Word has length 175 [2025-03-17 01:25:13,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 01:25:13,016 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1417 transitions. [2025-03-17 01:25:13,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2025-03-17 01:25:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1417 transitions. [2025-03-17 01:25:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-03-17 01:25:13,020 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:25:13,020 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:25:13,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 01:25:13,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 01:25:13,221 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:25:13,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:25:13,222 INFO L85 PathProgramCache]: Analyzing trace with hash -56258487, now seen corresponding path program 1 times [2025-03-17 01:25:13,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 01:25:13,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704975347] [2025-03-17 01:25:13,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:25:13,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 01:25:13,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-03-17 01:25:13,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-03-17 01:25:13,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:13,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:25:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-03-17 01:25:13,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 01:25:13,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704975347] [2025-03-17 01:25:13,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704975347] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 01:25:13,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 01:25:13,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 01:25:13,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136131132] [2025-03-17 01:25:13,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 01:25:13,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 01:25:13,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 01:25:13,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 01:25:13,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 01:25:13,426 INFO L87 Difference]: Start difference. First operand 1129 states and 1417 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 01:25:13,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 01:25:13,599 INFO L93 Difference]: Finished difference Result 2579 states and 3233 transitions. [2025-03-17 01:25:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 01:25:13,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2025-03-17 01:25:13,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 01:25:13,607 INFO L225 Difference]: With dead ends: 2579 [2025-03-17 01:25:13,607 INFO L226 Difference]: Without dead ends: 1534 [2025-03-17 01:25:13,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 01:25:13,611 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 113 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 01:25:13,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 289 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 01:25:13,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2025-03-17 01:25:13,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1528. [2025-03-17 01:25:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1098 states have (on average 1.185792349726776) internal successors, (1302), 1115 states have internal predecessors, (1302), 301 states have call successors, (301), 128 states have call predecessors, (301), 128 states have return successors, (301), 284 states have call predecessors, (301), 301 states have call successors, (301) [2025-03-17 01:25:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1904 transitions. [2025-03-17 01:25:13,758 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1904 transitions. Word has length 176 [2025-03-17 01:25:13,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 01:25:13,758 INFO L471 AbstractCegarLoop]: Abstraction has 1528 states and 1904 transitions. [2025-03-17 01:25:13,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 01:25:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1904 transitions. [2025-03-17 01:25:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-03-17 01:25:13,760 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:25:13,760 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:25:13,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 01:25:13,760 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:25:13,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:25:13,760 INFO L85 PathProgramCache]: Analyzing trace with hash -310995032, now seen corresponding path program 1 times [2025-03-17 01:25:13,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 01:25:13,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82139209] [2025-03-17 01:25:13,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:25:13,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 01:25:13,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-03-17 01:25:13,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-03-17 01:25:13,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:13,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 01:25:13,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1233647788] [2025-03-17 01:25:13,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:25:13,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 01:25:13,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 01:25:13,816 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 01:25:13,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 01:25:13,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-03-17 01:25:13,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-03-17 01:25:13,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:13,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 01:25:13,911 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 01:25:13,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-03-17 01:25:13,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-03-17 01:25:13,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:13,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 01:25:14,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 01:25:14,034 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 01:25:14,034 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 01:25:14,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 01:25:14,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 01:25:14,239 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:25:14,335 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 01:25:14,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 01:25:14 BoogieIcfgContainer [2025-03-17 01:25:14,339 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 01:25:14,339 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 01:25:14,339 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 01:25:14,339 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 01:25:14,340 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 01:24:56" (3/4) ... [2025-03-17 01:25:14,341 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 01:25:14,342 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 01:25:14,342 INFO L158 Benchmark]: Toolchain (without parser) took 18630.35ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 105.2MB in the beginning and 275.0MB in the end (delta: -169.8MB). Peak memory consumption was 166.4MB. Max. memory is 16.1GB. [2025-03-17 01:25:14,342 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 01:25:14,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.78ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 89.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 01:25:14,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.11ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 87.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 01:25:14,343 INFO L158 Benchmark]: Boogie Preprocessor took 51.70ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 85.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 01:25:14,343 INFO L158 Benchmark]: IcfgBuilder took 403.41ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 61.5MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 01:25:14,343 INFO L158 Benchmark]: TraceAbstraction took 17862.69ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 60.4MB in the beginning and 275.1MB in the end (delta: -214.8MB). Peak memory consumption was 124.4MB. Max. memory is 16.1GB. [2025-03-17 01:25:14,344 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 478.2MB. Free memory was 275.1MB in the beginning and 275.0MB in the end (delta: 147.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 01:25:14,344 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.78ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 89.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.11ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 87.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.70ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 85.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 403.41ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 61.5MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17862.69ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 60.4MB in the beginning and 275.1MB in the end (delta: -214.8MB). Peak memory consumption was 124.4MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 478.2MB. Free memory was 275.1MB in the beginning and 275.0MB in the end (delta: 147.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 192, overapproximation of someBinaryFLOATComparisonOperation at line 159, overapproximation of someBinaryFLOATComparisonOperation at line 157, overapproximation of bitwiseOr at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 144, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 146, overapproximation of someBinaryDOUBLEComparisonOperation at line 192, overapproximation of someBinaryDOUBLEComparisonOperation at line 142, overapproximation of someBinaryArithmeticFLOAToperation at line 120. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 100.25; [L23] double var_1_5 = 1.9; [L24] double var_1_6 = 7.5; [L25] double var_1_7 = 64.25; [L26] signed long int var_1_8 = 2; [L27] signed long int var_1_9 = 1000000000; [L28] signed long int var_1_10 = 1000000000; [L29] signed long int var_1_11 = 1957998270; [L30] float var_1_12 = 50.25; [L31] float var_1_13 = 9.8; [L32] float var_1_14 = 25.5; [L33] float var_1_15 = 3.5; [L34] signed long int var_1_16 = -500; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; [L37] unsigned char var_1_19 = 0; [L38] signed long int var_1_20 = -4; [L39] signed short int var_1_23 = -200; [L40] unsigned short int var_1_25 = 32; [L41] signed short int var_1_27 = 0; [L42] signed short int var_1_28 = -128; [L43] signed short int var_1_29 = 16; [L44] signed short int var_1_30 = 10; [L45] unsigned long int var_1_32 = 32; [L46] unsigned long int var_1_33 = 5; [L47] unsigned char var_1_34 = 1; [L48] unsigned char var_1_35 = 128; [L49] unsigned char var_1_36 = 10; [L50] unsigned short int var_1_37 = 256; [L51] signed long int var_1_38 = 10; [L52] double var_1_40 = 256.5; [L53] unsigned long int var_1_42 = 10; [L54] double var_1_43 = 5.602; [L55] double last_1_var_1_1 = 100.25; [L56] signed long int last_1_var_1_8 = 2; [L57] float last_1_var_1_12 = 50.25; [L58] signed long int last_1_var_1_16 = -500; [L59] unsigned char last_1_var_1_17 = 1; [L60] unsigned char last_1_var_1_19 = 0; [L196] isInitial = 1 [L197] FCALL initially() [L198] COND TRUE 1 [L199] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_8 = var_1_8 [L186] last_1_var_1_12 = var_1_12 [L187] last_1_var_1_16 = var_1_16 [L188] last_1_var_1_17 = var_1_17 [L189] last_1_var_1_19 = var_1_19 [L199] RET updateLastVariables() [L200] CALL updateVariables() [L141] var_1_5 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L142] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L143] var_1_6 = __VERIFIER_nondet_double() [L144] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L144] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L145] var_1_7 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=1000000000] [L146] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=1000000000] [L147] var_1_9 = __VERIFIER_nondet_long() [L148] CALL assume_abort_if_not(var_1_9 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L148] RET assume_abort_if_not(var_1_9 >= 536870911) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L149] CALL assume_abort_if_not(var_1_9 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L149] RET assume_abort_if_not(var_1_9 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L150] var_1_10 = __VERIFIER_nondet_long() [L151] CALL assume_abort_if_not(var_1_10 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L151] RET assume_abort_if_not(var_1_10 >= 536870911) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L152] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L152] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L153] var_1_11 = __VERIFIER_nondet_long() [L154] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L154] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L155] CALL assume_abort_if_not(var_1_11 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L155] RET assume_abort_if_not(var_1_11 <= 2147483646) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L156] var_1_14 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L157] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L158] var_1_15 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L159] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L160] var_1_18 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L161] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L162] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L162] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L163] var_1_23 = __VERIFIER_nondet_short() [L164] CALL assume_abort_if_not(var_1_23 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L164] RET assume_abort_if_not(var_1_23 >= -32768) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L165] CALL assume_abort_if_not(var_1_23 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L165] RET assume_abort_if_not(var_1_23 <= 32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L166] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L166] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L167] var_1_28 = __VERIFIER_nondet_short() [L168] CALL assume_abort_if_not(var_1_28 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L168] RET assume_abort_if_not(var_1_28 >= -32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L169] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L169] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L170] var_1_29 = __VERIFIER_nondet_short() [L171] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L171] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L172] CALL assume_abort_if_not(var_1_29 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L172] RET assume_abort_if_not(var_1_29 <= 32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L173] var_1_30 = __VERIFIER_nondet_short() [L174] CALL assume_abort_if_not(var_1_30 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L174] RET assume_abort_if_not(var_1_30 >= -32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L175] CALL assume_abort_if_not(var_1_30 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L175] RET assume_abort_if_not(var_1_30 <= 32766) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L176] var_1_35 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L177] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L178] CALL assume_abort_if_not(var_1_35 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L178] RET assume_abort_if_not(var_1_35 <= 254) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L179] var_1_36 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L180] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L181] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L181] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L200] RET updateVariables() [L201] CALL step() [L64] COND TRUE \read(last_1_var_1_17) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L65] COND FALSE !(var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (last_1_var_1_1 * 63.375))) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L71] COND FALSE !(var_1_23 >= (((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) - var_1_29)) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L80] COND FALSE !((((((- var_1_15)) > ((last_1_var_1_12 * var_1_6))) ? ((- var_1_15)) : ((last_1_var_1_12 * var_1_6)))) < var_1_5) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L87] COND TRUE \read(var_1_18) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L88] COND FALSE !(var_1_9 <= var_1_23) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L92] var_1_8 = (((var_1_9 + var_1_10) - last_1_var_1_16) - (var_1_11 - ((((last_1_var_1_16) < 0 ) ? -(last_1_var_1_16) : (last_1_var_1_16))))) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=-1, var_1_9=536870911] [L93] EXPR 8 ^ var_1_10 VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=-1, var_1_9=536870911] [L93] EXPR ((var_1_23) < ((8 ^ var_1_10))) ? (var_1_23) : ((8 ^ var_1_10)) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=-1, var_1_9=536870911] [L93] COND FALSE !(((((var_1_23) < ((8 ^ var_1_10))) ? (var_1_23) : ((8 ^ var_1_10)))) >= ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) [L96] var_1_32 = var_1_8 VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=-1, var_1_9=536870911] [L97] COND TRUE var_1_11 > (var_1_8 + var_1_11) [L98] var_1_34 = ((((var_1_35) > (var_1_36)) ? (var_1_35) : (var_1_36))) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=-1, var_1_9=536870911] [L100] var_1_43 = var_1_5 [L101] signed long int stepLocal_1 = (((var_1_16) < (var_1_9)) ? (var_1_16) : (var_1_9)); VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, stepLocal_1=-500, var_1_10=536870911, var_1_11=1073742823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2, var_1_5=2, var_1_8=-1, var_1_9=536870911] [L102] COND TRUE stepLocal_1 >= (var_1_16 - var_1_11) [L103] var_1_12 = var_1_7 VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] [L105] var_1_42 = var_1_10 [L106] var_1_17 = (((var_1_16 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=536870911, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] [L107] COND FALSE !(\read(var_1_19)) [L110] var_1_33 = ((((((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) > (var_1_29)) ? (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) : (var_1_29))) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=536870911, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] [L112] COND TRUE var_1_11 > ((((var_1_11) < (((((var_1_29) > (var_1_16)) ? (var_1_29) : (var_1_16))))) ? (var_1_11) : (((((var_1_29) > (var_1_16)) ? (var_1_29) : (var_1_16)))))) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=536870911, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] [L113] COND TRUE -256 != var_1_35 [L114] var_1_37 = (((((((var_1_35) < 0 ) ? -(var_1_35) : (var_1_35))) < 0 ) ? -((((var_1_35) < 0 ) ? -(var_1_35) : (var_1_35))) : ((((var_1_35) < 0 ) ? -(var_1_35) : (var_1_35))))) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=0, var_1_38=10, var_1_40=513/2, var_1_42=536870911, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] [L117] var_1_40 = var_1_5 [L118] signed long int stepLocal_2 = var_1_16; VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, stepLocal_2=-500, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=0, var_1_38=10, var_1_40=2, var_1_42=536870911, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] [L119] COND TRUE stepLocal_2 < var_1_11 [L120] var_1_13 = ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=0, var_1_38=10, var_1_40=2, var_1_42=536870911, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] [L124] COND FALSE !(500 != var_1_28) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=0, var_1_38=10, var_1_40=2, var_1_42=536870911, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] [L129] signed long int stepLocal_0 = var_1_8; VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, stepLocal_0=-1, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=0, var_1_38=10, var_1_40=2, var_1_42=536870911, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] [L130] COND FALSE !(\read(var_1_19)) [L137] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, stepLocal_0=-1, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=0, var_1_38=10, var_1_40=2, var_1_42=536870911, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] [L201] RET step() [L202] CALL, EXPR property() [L192-L193] return ((((((var_1_19 ? ((var_1_8 >= var_1_8) ? (var_1_1 == ((double) (var_1_5 + var_1_6))) : (var_1_1 == ((double) (4.125 - var_1_7)))) : (var_1_1 == ((double) var_1_5))) && (var_1_8 == ((signed long int) (((var_1_9 + var_1_10) - last_1_var_1_16) - (var_1_11 - ((((last_1_var_1_16) < 0 ) ? -(last_1_var_1_16) : (last_1_var_1_16)))))))) && ((((((var_1_16) < (var_1_9)) ? (var_1_16) : (var_1_9))) >= (var_1_16 - var_1_11)) ? (var_1_12 == ((float) var_1_7)) : 1)) && ((var_1_16 < var_1_11) ? (var_1_13 == ((float) ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f))) : (var_1_13 == ((float) (var_1_15 + ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)))))))) && (((((((- var_1_15)) > ((last_1_var_1_12 * var_1_6))) ? ((- var_1_15)) : ((last_1_var_1_12 * var_1_6)))) < var_1_5) ? ((var_1_11 != ((((last_1_var_1_8) < (var_1_10)) ? (last_1_var_1_8) : (var_1_10)))) ? (last_1_var_1_19 ? (var_1_16 == ((signed long int) last_1_var_1_8)) : 1) : 1) : 1)) && (var_1_17 == ((unsigned char) (((var_1_16 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18)))) && (last_1_var_1_17 ? ((var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (last_1_var_1_1 * 63.375))) ? (var_1_19 == ((unsigned char) var_1_18)) : 1) : (var_1_19 == ((unsigned char) var_1_18))) ; [L202] RET, EXPR property() [L202] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=0, var_1_38=10, var_1_40=2, var_1_42=536870911, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073742823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=-1, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=1, var_1_37=0, var_1_38=10, var_1_40=2, var_1_42=536870911, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=-1, var_1_9=536870911] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 172 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.7s, OverallIterations: 10, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5901 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5860 mSDsluCounter, 4608 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3428 mSDsCounter, 2086 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5014 IncrementalHoareTripleChecker+Invalid, 7100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2086 mSolverCounterUnsat, 1180 mSDtfsCounter, 5014 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1831 GetRequests, 1553 SyntacticMatches, 1 SemanticMatches, 277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11730 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1528occurred in iteration=9, InterpolantAutomatonStates: 232, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 1279 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 2772 NumberOfCodeBlocks, 2772 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3097 ConstructedInterpolants, 0 QuantifiedInterpolants, 13581 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2183 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 22657/23400 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-17 01:25:14,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 089795398a8922223d9c59a73b728d08f2d95b0dfbd76a368d772ce02a671288 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 01:25:16,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 01:25:16,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-17 01:25:16,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 01:25:16,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 01:25:16,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 01:25:16,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 01:25:16,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 01:25:16,289 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 01:25:16,289 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 01:25:16,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 01:25:16,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 01:25:16,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 01:25:16,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 01:25:16,289 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 01:25:16,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 01:25:16,290 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 01:25:16,290 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 01:25:16,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 01:25:16,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 01:25:16,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 01:25:16,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 01:25:16,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 01:25:16,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 01:25:16,292 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 01:25:16,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 01:25:16,293 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 01:25:16,293 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 01:25:16,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 01:25:16,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 01:25:16,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 01:25:16,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 01:25:16,293 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 089795398a8922223d9c59a73b728d08f2d95b0dfbd76a368d772ce02a671288 [2025-03-17 01:25:16,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 01:25:16,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 01:25:16,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 01:25:16,553 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 01:25:16,553 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 01:25:16,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i [2025-03-17 01:25:17,695 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead9ee6ff/9ab61771baf143b0894c637e9ec1afd4/FLAGcab3438ae [2025-03-17 01:25:17,916 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 01:25:17,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i [2025-03-17 01:25:17,924 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead9ee6ff/9ab61771baf143b0894c637e9ec1afd4/FLAGcab3438ae [2025-03-17 01:25:18,269 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead9ee6ff/9ab61771baf143b0894c637e9ec1afd4 [2025-03-17 01:25:18,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 01:25:18,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 01:25:18,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 01:25:18,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 01:25:18,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 01:25:18,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c6d113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18, skipping insertion in model container [2025-03-17 01:25:18,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 01:25:18,396 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i[918,931] [2025-03-17 01:25:18,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 01:25:18,478 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 01:25:18,488 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i[918,931] [2025-03-17 01:25:18,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 01:25:18,548 INFO L204 MainTranslator]: Completed translation [2025-03-17 01:25:18,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18 WrapperNode [2025-03-17 01:25:18,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 01:25:18,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 01:25:18,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 01:25:18,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 01:25:18,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,584 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 195 [2025-03-17 01:25:18,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 01:25:18,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 01:25:18,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 01:25:18,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 01:25:18,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,595 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,606 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 01:25:18,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,614 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 01:25:18,620 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 01:25:18,620 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 01:25:18,620 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 01:25:18,621 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (1/1) ... [2025-03-17 01:25:18,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 01:25:18,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 01:25:18,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 01:25:18,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 01:25:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 01:25:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 01:25:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 01:25:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 01:25:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 01:25:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 01:25:18,745 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 01:25:18,747 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 01:25:44,221 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-17 01:25:44,221 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 01:25:44,228 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 01:25:44,228 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 01:25:44,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 01:25:44 BoogieIcfgContainer [2025-03-17 01:25:44,229 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 01:25:44,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 01:25:44,230 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 01:25:44,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 01:25:44,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 01:25:18" (1/3) ... [2025-03-17 01:25:44,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ebe88b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 01:25:44, skipping insertion in model container [2025-03-17 01:25:44,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 01:25:18" (2/3) ... [2025-03-17 01:25:44,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ebe88b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 01:25:44, skipping insertion in model container [2025-03-17 01:25:44,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 01:25:44" (3/3) ... [2025-03-17 01:25:44,235 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i [2025-03-17 01:25:44,245 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 01:25:44,246 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-6.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 01:25:44,287 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 01:25:44,297 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;@75161281, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 01:25:44,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 01:25:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-17 01:25:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-03-17 01:25:44,308 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:25:44,309 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:25:44,309 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:25:44,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:25:44,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1837930546, now seen corresponding path program 1 times [2025-03-17 01:25:44,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 01:25:44,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798116015] [2025-03-17 01:25:44,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:25:44,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 01:25:44,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 01:25:44,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-17 01:25:44,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-17 01:25:44,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-17 01:25:45,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-17 01:25:45,013 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:45,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:25:45,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 01:25:45,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 01:25:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2025-03-17 01:25:45,084 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 01:25:45,085 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 01:25:45,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798116015] [2025-03-17 01:25:45,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798116015] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 01:25:45,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 01:25:45,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 01:25:45,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457334834] [2025-03-17 01:25:45,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 01:25:45,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 01:25:45,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 01:25:45,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 01:25:45,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 01:25:45,106 INFO L87 Difference]: Start difference. First operand has 81 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-17 01:25:45,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 01:25:45,130 INFO L93 Difference]: Finished difference Result 159 states and 282 transitions. [2025-03-17 01:25:45,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 01:25:45,131 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2025-03-17 01:25:45,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 01:25:45,137 INFO L225 Difference]: With dead ends: 159 [2025-03-17 01:25:45,137 INFO L226 Difference]: Without dead ends: 79 [2025-03-17 01:25:45,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 01:25:45,141 INFO L435 NwaCegarLoop]: 124 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, 124 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 01:25:45,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 01:25:45,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-03-17 01:25:45,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-03-17 01:25:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-17 01:25:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 124 transitions. [2025-03-17 01:25:45,173 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 124 transitions. Word has length 168 [2025-03-17 01:25:45,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 01:25:45,174 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 124 transitions. [2025-03-17 01:25:45,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-17 01:25:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2025-03-17 01:25:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-03-17 01:25:45,177 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:25:45,177 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:25:45,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-17 01:25:45,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 01:25:45,378 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:25:45,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:25:45,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1765636848, now seen corresponding path program 1 times [2025-03-17 01:25:45,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 01:25:45,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395388212] [2025-03-17 01:25:45,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:25:45,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 01:25:45,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 01:25:45,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-17 01:25:45,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-17 01:25:45,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-17 01:25:46,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-17 01:25:46,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:25:46,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:25:46,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 01:25:46,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 01:25:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-03-17 01:25:50,105 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 01:25:50,105 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 01:25:50,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395388212] [2025-03-17 01:25:50,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1395388212] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 01:25:50,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 01:25:50,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 01:25:50,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827596100] [2025-03-17 01:25:50,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 01:25:50,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 01:25:50,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 01:25:50,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 01:25:50,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 01:25:50,108 INFO L87 Difference]: Start difference. First operand 79 states and 124 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 01:25:54,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 01:25:58,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 01:26:03,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 01:26:07,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 01:26:07,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 01:26:07,474 INFO L93 Difference]: Finished difference Result 236 states and 371 transitions. [2025-03-17 01:26:07,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 01:26:07,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2025-03-17 01:26:07,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 01:26:07,582 INFO L225 Difference]: With dead ends: 236 [2025-03-17 01:26:07,582 INFO L226 Difference]: Without dead ends: 158 [2025-03-17 01:26:07,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 01:26:07,583 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 98 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2025-03-17 01:26:07,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 361 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 7 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time] [2025-03-17 01:26:07,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-03-17 01:26:07,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 126. [2025-03-17 01:26:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 71 states have (on average 1.295774647887324) internal successors, (92), 71 states have internal predecessors, (92), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-03-17 01:26:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 196 transitions. [2025-03-17 01:26:07,610 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 196 transitions. Word has length 168 [2025-03-17 01:26:07,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 01:26:07,612 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 196 transitions. [2025-03-17 01:26:07,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 01:26:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2025-03-17 01:26:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-03-17 01:26:07,614 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 01:26:07,614 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 01:26:07,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-17 01:26:07,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 01:26:07,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 01:26:07,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 01:26:07,816 INFO L85 PathProgramCache]: Analyzing trace with hash 462517426, now seen corresponding path program 1 times [2025-03-17 01:26:07,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 01:26:07,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [982151513] [2025-03-17 01:26:07,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 01:26:07,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 01:26:07,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 01:26:07,819 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-17 01:26:07,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-17 01:26:07,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-17 01:26:08,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-17 01:26:08,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 01:26:08,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 01:26:08,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 01:26:08,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 01:26:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 663 proven. 42 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2025-03-17 01:26:11,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 01:26:13,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-03-17 01:26:13,942 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 01:26:13,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [982151513] [2025-03-17 01:26:13,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [982151513] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 01:26:13,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 01:26:13,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2025-03-17 01:26:13,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946963600] [2025-03-17 01:26:13,943 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 01:26:13,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 01:26:13,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 01:26:13,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 01:26:13,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 01:26:13,944 INFO L87 Difference]: Start difference. First operand 126 states and 196 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2025-03-17 01:26:20,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 01:26:24,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 01:26:26,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []