./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.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-pe-ci_file-92.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 be4e3b4159e813d651c15a1198ce093d0780697daead1a14334250f886e53033 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 00:54:33,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 00:54:33,970 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-17 00:54:33,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 00:54:33,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 00:54:33,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 00:54:33,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 00:54:33,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 00:54:33,999 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 00:54:33,999 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 00:54:34,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 00:54:34,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 00:54:34,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 00:54:34,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 00:54:34,001 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 00:54:34,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 00:54:34,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 00:54:34,001 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 00:54:34,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 00:54:34,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 00:54:34,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 00:54:34,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 00:54:34,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 00:54:34,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 00:54:34,002 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 00:54:34,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 00:54:34,002 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 00:54:34,002 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 00:54:34,002 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 00:54:34,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 00:54:34,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 00:54:34,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 00:54:34,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 00:54:34,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 00:54:34,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 00:54:34,003 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 00:54:34,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 00:54:34,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 00:54:34,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 00:54:34,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 00:54:34,004 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 00:54:34,004 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 00:54:34,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 00:54:34,004 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 -> be4e3b4159e813d651c15a1198ce093d0780697daead1a14334250f886e53033 [2025-03-17 00:54:34,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 00:54:34,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 00:54:34,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 00:54:34,242 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 00:54:34,242 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 00:54:34,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2025-03-17 00:54:35,398 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e425490/ffaba53631874169bd2e39b03e096891/FLAG417e75354 [2025-03-17 00:54:35,614 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 00:54:35,615 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2025-03-17 00:54:35,626 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e425490/ffaba53631874169bd2e39b03e096891/FLAG417e75354 [2025-03-17 00:54:35,637 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e425490/ffaba53631874169bd2e39b03e096891 [2025-03-17 00:54:35,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 00:54:35,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 00:54:35,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 00:54:35,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 00:54:35,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 00:54:35,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:35,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf12a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35, skipping insertion in model container [2025-03-17 00:54:35,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:35,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 00:54:35,766 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-pe-ci_file-92.i[919,932] [2025-03-17 00:54:35,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 00:54:35,850 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 00:54:35,859 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-pe-ci_file-92.i[919,932] [2025-03-17 00:54:35,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 00:54:35,915 INFO L204 MainTranslator]: Completed translation [2025-03-17 00:54:35,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35 WrapperNode [2025-03-17 00:54:35,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 00:54:35,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 00:54:35,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 00:54:35,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 00:54:35,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:35,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:35,958 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 237 [2025-03-17 00:54:35,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 00:54:35,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 00:54:35,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 00:54:35,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 00:54:35,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:35,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:35,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:35,992 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 00:54:35,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:35,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:36,009 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:36,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:36,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:36,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:36,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 00:54:36,021 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 00:54:36,022 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 00:54:36,022 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 00:54:36,023 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (1/1) ... [2025-03-17 00:54:36,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 00:54:36,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 00:54:36,046 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 00:54:36,048 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 00:54:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 00:54:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 00:54:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 00:54:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 00:54:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 00:54:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 00:54:36,132 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 00:54:36,134 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 00:54:36,461 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L190: havoc property_#t~bitwise22#1;havoc property_#t~short23#1; [2025-03-17 00:54:36,488 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2025-03-17 00:54:36,489 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 00:54:36,506 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 00:54:36,508 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 00:54:36,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 12:54:36 BoogieIcfgContainer [2025-03-17 00:54:36,508 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 00:54:36,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 00:54:36,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 00:54:36,513 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 00:54:36,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 12:54:35" (1/3) ... [2025-03-17 00:54:36,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afdffb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 12:54:36, skipping insertion in model container [2025-03-17 00:54:36,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:35" (2/3) ... [2025-03-17 00:54:36,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afdffb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 12:54:36, skipping insertion in model container [2025-03-17 00:54:36,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 12:54:36" (3/3) ... [2025-03-17 00:54:36,516 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2025-03-17 00:54:36,528 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 00:54:36,530 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i that has 2 procedures, 94 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 00:54:36,576 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 00:54:36,586 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;@1f34edd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 00:54:36,587 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 00:54:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 63 states have (on average 1.492063492063492) internal successors, (94), 64 states have internal predecessors, (94), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-17 00:54:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2025-03-17 00:54:36,599 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:36,600 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:36,600 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:36,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:36,604 INFO L85 PathProgramCache]: Analyzing trace with hash 958276513, now seen corresponding path program 1 times [2025-03-17 00:54:36,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 00:54:36,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949062969] [2025-03-17 00:54:36,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:36,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 00:54:36,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 00:54:36,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 00:54:36,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:36,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2025-03-17 00:54:36,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 00:54:36,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949062969] [2025-03-17 00:54:36,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949062969] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 00:54:36,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846401829] [2025-03-17 00:54:36,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:36,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 00:54:36,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 00:54:36,880 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 00:54:36,881 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 00:54:36,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 00:54:37,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 00:54:37,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:37,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:37,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 00:54:37,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 00:54:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2025-03-17 00:54:37,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 00:54:37,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846401829] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 00:54:37,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 00:54:37,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 00:54:37,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616175341] [2025-03-17 00:54:37,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 00:54:37,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 00:54:37,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 00:54:37,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 00:54:37,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 00:54:37,063 INFO L87 Difference]: Start difference. First operand has 94 states, 63 states have (on average 1.492063492063492) internal successors, (94), 64 states have internal predecessors, (94), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-17 00:54:37,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 00:54:37,098 INFO L93 Difference]: Finished difference Result 185 states and 326 transitions. [2025-03-17 00:54:37,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 00:54:37,100 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2025-03-17 00:54:37,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 00:54:37,105 INFO L225 Difference]: With dead ends: 185 [2025-03-17 00:54:37,105 INFO L226 Difference]: Without dead ends: 92 [2025-03-17 00:54:37,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 181 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 00:54:37,109 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 00:54:37,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 00:54:37,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-03-17 00:54:37,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-03-17 00:54:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 62 states have internal predecessors, (90), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-17 00:54:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 146 transitions. [2025-03-17 00:54:37,147 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 146 transitions. Word has length 180 [2025-03-17 00:54:37,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 00:54:37,148 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 146 transitions. [2025-03-17 00:54:37,148 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-17 00:54:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2025-03-17 00:54:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2025-03-17 00:54:37,152 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:37,152 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:37,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 00:54:37,356 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 00:54:37,356 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:37,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:37,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1742514239, now seen corresponding path program 1 times [2025-03-17 00:54:37,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 00:54:37,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108660115] [2025-03-17 00:54:37,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:37,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 00:54:37,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 00:54:37,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 00:54:37,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:37,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:37,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2025-03-17 00:54:37,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 00:54:37,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108660115] [2025-03-17 00:54:37,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108660115] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 00:54:37,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 00:54:37,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 00:54:37,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504304124] [2025-03-17 00:54:37,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 00:54:37,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 00:54:37,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 00:54:37,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 00:54:37,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 00:54:37,653 INFO L87 Difference]: Start difference. First operand 92 states and 146 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2025-03-17 00:54:37,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 00:54:37,752 INFO L93 Difference]: Finished difference Result 267 states and 424 transitions. [2025-03-17 00:54:37,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 00:54:37,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2025-03-17 00:54:37,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 00:54:37,758 INFO L225 Difference]: With dead ends: 267 [2025-03-17 00:54:37,759 INFO L226 Difference]: Without dead ends: 176 [2025-03-17 00:54:37,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 00:54:37,760 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 126 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 00:54:37,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 575 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 00:54:37,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-03-17 00:54:37,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 98. [2025-03-17 00:54:37,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 68 states have internal predecessors, (98), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-17 00:54:37,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 154 transitions. [2025-03-17 00:54:37,778 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 154 transitions. Word has length 180 [2025-03-17 00:54:37,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 00:54:37,779 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 154 transitions. [2025-03-17 00:54:37,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2025-03-17 00:54:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 154 transitions. [2025-03-17 00:54:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2025-03-17 00:54:37,780 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:37,782 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:37,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 00:54:37,782 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:37,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:37,783 INFO L85 PathProgramCache]: Analyzing trace with hash -54437120, now seen corresponding path program 1 times [2025-03-17 00:54:37,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 00:54:37,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782885450] [2025-03-17 00:54:37,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:37,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 00:54:37,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 00:54:37,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 00:54:37,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:37,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2025-03-17 00:54:38,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 00:54:38,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782885450] [2025-03-17 00:54:38,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782885450] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 00:54:38,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 00:54:38,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 00:54:38,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672857524] [2025-03-17 00:54:38,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 00:54:38,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 00:54:38,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 00:54:38,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 00:54:38,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 00:54:38,038 INFO L87 Difference]: Start difference. First operand 98 states and 154 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2025-03-17 00:54:38,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 00:54:38,123 INFO L93 Difference]: Finished difference Result 245 states and 382 transitions. [2025-03-17 00:54:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 00:54:38,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2025-03-17 00:54:38,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 00:54:38,126 INFO L225 Difference]: With dead ends: 245 [2025-03-17 00:54:38,127 INFO L226 Difference]: Without dead ends: 148 [2025-03-17 00:54:38,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 00:54:38,128 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 69 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 00:54:38,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 367 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 00:54:38,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-03-17 00:54:38,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 145. [2025-03-17 00:54:38,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 96 states have (on average 1.3854166666666667) internal successors, (133), 97 states have internal predecessors, (133), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 00:54:38,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 225 transitions. [2025-03-17 00:54:38,151 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 225 transitions. Word has length 180 [2025-03-17 00:54:38,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 00:54:38,151 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 225 transitions. [2025-03-17 00:54:38,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2025-03-17 00:54:38,151 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 225 transitions. [2025-03-17 00:54:38,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2025-03-17 00:54:38,154 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:38,154 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:38,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 00:54:38,154 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:38,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:38,157 INFO L85 PathProgramCache]: Analyzing trace with hash 833066561, now seen corresponding path program 1 times [2025-03-17 00:54:38,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 00:54:38,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379495902] [2025-03-17 00:54:38,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:38,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 00:54:38,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 00:54:38,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 00:54:38,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:38,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2025-03-17 00:54:38,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 00:54:38,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379495902] [2025-03-17 00:54:38,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379495902] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 00:54:38,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 00:54:38,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 00:54:38,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203008689] [2025-03-17 00:54:38,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 00:54:38,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 00:54:38,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 00:54:38,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 00:54:38,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 00:54:38,534 INFO L87 Difference]: Start difference. First operand 145 states and 225 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2025-03-17 00:54:38,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 00:54:38,843 INFO L93 Difference]: Finished difference Result 489 states and 756 transitions. [2025-03-17 00:54:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 00:54:38,844 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2025-03-17 00:54:38,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 00:54:38,847 INFO L225 Difference]: With dead ends: 489 [2025-03-17 00:54:38,847 INFO L226 Difference]: Without dead ends: 345 [2025-03-17 00:54:38,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-17 00:54:38,849 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 160 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 00:54:38,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 677 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 00:54:38,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2025-03-17 00:54:38,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 288. [2025-03-17 00:54:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 191 states have (on average 1.3769633507853403) internal successors, (263), 193 states have internal predecessors, (263), 92 states have call successors, (92), 4 states have call predecessors, (92), 4 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2025-03-17 00:54:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 447 transitions. [2025-03-17 00:54:38,899 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 447 transitions. Word has length 180 [2025-03-17 00:54:38,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 00:54:38,900 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 447 transitions. [2025-03-17 00:54:38,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2025-03-17 00:54:38,900 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 447 transitions. [2025-03-17 00:54:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2025-03-17 00:54:38,901 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:38,901 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:38,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 00:54:38,902 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:38,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:38,902 INFO L85 PathProgramCache]: Analyzing trace with hash -819385624, now seen corresponding path program 1 times [2025-03-17 00:54:38,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 00:54:38,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841235942] [2025-03-17 00:54:38,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:38,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 00:54:38,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 181 statements into 1 equivalence classes. [2025-03-17 00:54:38,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-03-17 00:54:38,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:38,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2025-03-17 00:54:39,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 00:54:39,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841235942] [2025-03-17 00:54:39,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841235942] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 00:54:39,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 00:54:39,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 00:54:39,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644270556] [2025-03-17 00:54:39,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 00:54:39,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 00:54:39,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 00:54:39,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 00:54:39,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-17 00:54:39,968 INFO L87 Difference]: Start difference. First operand 288 states and 447 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2025-03-17 00:54:40,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 00:54:40,407 INFO L93 Difference]: Finished difference Result 750 states and 1152 transitions. [2025-03-17 00:54:40,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 00:54:40,408 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 181 [2025-03-17 00:54:40,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 00:54:40,412 INFO L225 Difference]: With dead ends: 750 [2025-03-17 00:54:40,412 INFO L226 Difference]: Without dead ends: 463 [2025-03-17 00:54:40,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-03-17 00:54:40,414 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 202 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 00:54:40,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 558 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 00:54:40,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2025-03-17 00:54:40,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 429. [2025-03-17 00:54:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 301 states have (on average 1.3953488372093024) internal successors, (420), 303 states have internal predecessors, (420), 120 states have call successors, (120), 7 states have call predecessors, (120), 7 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) [2025-03-17 00:54:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 660 transitions. [2025-03-17 00:54:40,463 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 660 transitions. Word has length 181 [2025-03-17 00:54:40,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 00:54:40,464 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 660 transitions. [2025-03-17 00:54:40,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2025-03-17 00:54:40,465 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 660 transitions. [2025-03-17 00:54:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-03-17 00:54:40,467 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:40,467 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:40,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 00:54:40,468 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:40,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:40,471 INFO L85 PathProgramCache]: Analyzing trace with hash 2017998470, now seen corresponding path program 1 times [2025-03-17 00:54:40,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 00:54:40,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062704902] [2025-03-17 00:54:40,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:40,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 00:54:40,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-17 00:54:40,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-17 00:54:40,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:40,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 24 proven. 57 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2025-03-17 00:54:40,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 00:54:40,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062704902] [2025-03-17 00:54:40,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062704902] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 00:54:40,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32113666] [2025-03-17 00:54:40,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:40,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 00:54:40,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 00:54:40,870 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 00:54:40,872 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 00:54:40,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-17 00:54:40,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-17 00:54:40,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:40,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:40,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-17 00:54:40,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 00:54:41,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 627 proven. 21 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2025-03-17 00:54:41,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 00:54:41,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 60 proven. 21 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2025-03-17 00:54:41,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32113666] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 00:54:41,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 00:54:41,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 10] total 20 [2025-03-17 00:54:41,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287413427] [2025-03-17 00:54:41,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 00:54:41,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 00:54:41,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 00:54:41,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 00:54:41,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2025-03-17 00:54:41,563 INFO L87 Difference]: Start difference. First operand 429 states and 660 transitions. Second operand has 20 states, 20 states have (on average 5.45) internal successors, (109), 20 states have internal predecessors, (109), 4 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2025-03-17 00:54:44,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 00:54:44,723 INFO L93 Difference]: Finished difference Result 1987 states and 2827 transitions. [2025-03-17 00:54:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-03-17 00:54:44,724 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.45) internal successors, (109), 20 states have internal predecessors, (109), 4 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) Word has length 183 [2025-03-17 00:54:44,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 00:54:44,732 INFO L225 Difference]: With dead ends: 1987 [2025-03-17 00:54:44,732 INFO L226 Difference]: Without dead ends: 1625 [2025-03-17 00:54:44,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 363 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3708 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2505, Invalid=8625, Unknown=0, NotChecked=0, Total=11130 [2025-03-17 00:54:44,740 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 1302 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 1633 mSolverCounterSat, 673 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1303 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 673 IncrementalHoareTripleChecker+Valid, 1633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-17 00:54:44,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1303 Valid, 1203 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [673 Valid, 1633 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-17 00:54:44,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2025-03-17 00:54:44,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1211. [2025-03-17 00:54:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 910 states have (on average 1.3131868131868132) internal successors, (1195), 926 states have internal predecessors, (1195), 248 states have call successors, (248), 52 states have call predecessors, (248), 52 states have return successors, (248), 232 states have call predecessors, (248), 248 states have call successors, (248) [2025-03-17 00:54:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1691 transitions. [2025-03-17 00:54:44,837 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1691 transitions. Word has length 183 [2025-03-17 00:54:44,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 00:54:44,839 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1691 transitions. [2025-03-17 00:54:44,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.45) internal successors, (109), 20 states have internal predecessors, (109), 4 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2025-03-17 00:54:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1691 transitions. [2025-03-17 00:54:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-03-17 00:54:44,841 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:44,842 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:44,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 00:54:45,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-17 00:54:45,043 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:45,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:45,043 INFO L85 PathProgramCache]: Analyzing trace with hash 110437125, now seen corresponding path program 1 times [2025-03-17 00:54:45,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 00:54:45,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853900169] [2025-03-17 00:54:45,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:45,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 00:54:45,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-03-17 00:54:45,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-03-17 00:54:45,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:45,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2025-03-17 00:54:45,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 00:54:45,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853900169] [2025-03-17 00:54:45,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853900169] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 00:54:45,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 00:54:45,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 00:54:45,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255469143] [2025-03-17 00:54:45,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 00:54:45,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 00:54:45,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 00:54:45,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 00:54:45,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 00:54:45,301 INFO L87 Difference]: Start difference. First operand 1211 states and 1691 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-17 00:54:45,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 00:54:45,791 INFO L93 Difference]: Finished difference Result 3771 states and 5273 transitions. [2025-03-17 00:54:45,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 00:54:45,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 185 [2025-03-17 00:54:45,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 00:54:45,807 INFO L225 Difference]: With dead ends: 3771 [2025-03-17 00:54:45,808 INFO L226 Difference]: Without dead ends: 2815 [2025-03-17 00:54:45,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-17 00:54:45,812 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 357 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 00:54:45,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 775 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 00:54:45,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2025-03-17 00:54:45,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2567. [2025-03-17 00:54:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2567 states, 2000 states have (on average 1.335) internal successors, (2670), 2032 states have internal predecessors, (2670), 468 states have call successors, (468), 98 states have call predecessors, (468), 98 states have return successors, (468), 436 states have call predecessors, (468), 468 states have call successors, (468) [2025-03-17 00:54:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3606 transitions. [2025-03-17 00:54:45,982 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 3606 transitions. Word has length 185 [2025-03-17 00:54:45,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 00:54:45,982 INFO L471 AbstractCegarLoop]: Abstraction has 2567 states and 3606 transitions. [2025-03-17 00:54:45,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-17 00:54:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 3606 transitions. [2025-03-17 00:54:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-03-17 00:54:45,988 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:45,988 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:45,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 00:54:45,988 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:45,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:45,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1355201606, now seen corresponding path program 1 times [2025-03-17 00:54:45,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 00:54:45,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114356682] [2025-03-17 00:54:45,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:45,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 00:54:45,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-03-17 00:54:46,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-03-17 00:54:46,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:46,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 00:54:46,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879439634] [2025-03-17 00:54:46,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:46,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 00:54:46,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 00:54:46,080 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 00:54:46,082 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 00:54:46,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-03-17 00:54:46,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-03-17 00:54:46,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:46,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 00:54:46,172 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 00:54:46,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-03-17 00:54:46,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-03-17 00:54:46,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:46,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 00:54:46,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 00:54:46,340 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 00:54:46,340 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 00:54:46,350 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 00:54:46,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 00:54:46,545 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 00:54:46,633 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 00:54:46,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 12:54:46 BoogieIcfgContainer [2025-03-17 00:54:46,637 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 00:54:46,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 00:54:46,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 00:54:46,638 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 00:54:46,639 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 12:54:36" (3/4) ... [2025-03-17 00:54:46,640 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 00:54:46,641 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 00:54:46,642 INFO L158 Benchmark]: Toolchain (without parser) took 11001.49ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 112.6MB in the beginning and 137.6MB in the end (delta: -25.0MB). Peak memory consumption was 117.9MB. Max. memory is 16.1GB. [2025-03-17 00:54:46,642 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 00:54:46,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.24ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 96.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 00:54:46,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.19ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 92.4MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 00:54:46,643 INFO L158 Benchmark]: Boogie Preprocessor took 61.36ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 86.8MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 00:54:46,643 INFO L158 Benchmark]: IcfgBuilder took 487.38ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 55.4MB in the end (delta: 30.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-17 00:54:46,643 INFO L158 Benchmark]: TraceAbstraction took 10127.28ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 54.9MB in the beginning and 137.7MB in the end (delta: -82.8MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2025-03-17 00:54:46,644 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 285.2MB. Free memory was 137.7MB in the beginning and 137.6MB in the end (delta: 54.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 00:54:46,645 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.24ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 96.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.19ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 92.4MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.36ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 86.8MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 487.38ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 55.4MB in the end (delta: 30.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10127.28ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 54.9MB in the beginning and 137.7MB in the end (delta: -82.8MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 285.2MB. Free memory was 137.7MB in the beginning and 137.6MB in the end (delta: 54.1kB). 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 shiftRight at line 73, overapproximation of shiftRight at line 190, overapproximation of someBinaryDOUBLEComparisonOperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 190, overapproximation of someBinaryDOUBLEComparisonOperation at line 190, overapproximation of someBinaryDOUBLEComparisonOperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 100; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] unsigned short int var_1_8 = 10; [L26] unsigned short int var_1_9 = 0; [L27] unsigned short int var_1_10 = 53946; [L28] unsigned short int var_1_11 = 1; [L29] unsigned long int var_1_12 = 8; [L30] double var_1_13 = 8.25; [L31] signed long int var_1_14 = -256; [L32] double var_1_15 = 0.19999999999999996; [L33] signed long int var_1_16 = -16; [L34] signed char var_1_17 = 1; [L35] signed char var_1_18 = 4; [L36] signed char var_1_19 = 64; [L37] signed long int var_1_20 = 1; [L38] signed long int var_1_21 = 1000000000; [L39] unsigned char var_1_23 = 4; [L40] unsigned char var_1_26 = 0; [L41] unsigned short int var_1_28 = 16; [L42] signed short int var_1_30 = -256; [L43] signed short int var_1_32 = 8; [L44] unsigned short int var_1_33 = 128; [L45] double var_1_34 = 0.25; [L46] signed long int var_1_36 = -32; [L47] unsigned char var_1_38 = 0; [L48] unsigned char var_1_39 = 1; [L49] float var_1_40 = 2.6; [L50] unsigned char var_1_41 = 0; [L51] unsigned char var_1_42 = 0; [L52] unsigned short int last_1_var_1_1 = 100; [L53] unsigned long int last_1_var_1_12 = 8; [L54] double last_1_var_1_13 = 8.25; [L55] signed long int last_1_var_1_16 = -16; [L194] isInitial = 1 [L195] FCALL initially() [L196] COND TRUE 1 [L197] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_12 = var_1_12 [L186] last_1_var_1_13 = var_1_13 [L187] last_1_var_1_16 = var_1_16 [L197] RET updateLastVariables() [L198] CALL updateVariables() [L140] var_1_6 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_7=0, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_7=0, var_1_8=10, var_1_9=0] [L141] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_7=0, var_1_8=10, var_1_9=0] [L142] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=10, var_1_9=0] [L142] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=0, var_1_8=10, var_1_9=0] [L143] var_1_7 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_8=10, var_1_9=0] [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_8=10, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=10, var_1_9=0] [L145] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=10, var_1_9=0] [L146] var_1_8 = __VERIFIER_nondet_ushort() [L147] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_9=0] [L147] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=0] [L148] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=0] [L149] var_1_9 = __VERIFIER_nondet_ushort() [L150] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535] [L150] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535] [L151] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L151] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L152] var_1_10 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L153] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L154] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L154] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L155] var_1_11 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L156] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L157] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L157] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L158] var_1_14 = __VERIFIER_nondet_long() [L159] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L159] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L160] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L160] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L161] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L161] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L162] var_1_15 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L163] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L164] var_1_18 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L165] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L166] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L166] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L167] var_1_19 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_19 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L168] RET assume_abort_if_not(var_1_19 >= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L169] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L169] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L170] var_1_21 = __VERIFIER_nondet_long() [L171] CALL assume_abort_if_not(var_1_21 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L171] RET assume_abort_if_not(var_1_21 >= 536870911) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L172] CALL assume_abort_if_not(var_1_21 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L172] RET assume_abort_if_not(var_1_21 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=0, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L173] var_1_26 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L174] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L175] CALL assume_abort_if_not(var_1_26 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L175] RET assume_abort_if_not(var_1_26 <= 64) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=1, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L176] var_1_39 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_39 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L177] RET assume_abort_if_not(var_1_39 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L178] CALL assume_abort_if_not(var_1_39 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L178] RET assume_abort_if_not(var_1_39 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L179] var_1_42 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_42 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L180] RET assume_abort_if_not(var_1_42 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L181] CALL assume_abort_if_not(var_1_42 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L181] RET assume_abort_if_not(var_1_42 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L198] RET updateVariables() [L199] CALL step() [L59] unsigned char stepLocal_0 = last_1_var_1_13 >= last_1_var_1_13; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_0=1, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L60] COND FALSE !((last_1_var_1_12 == last_1_var_1_1) && stepLocal_0) [L71] var_1_1 = var_1_10 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L73] EXPR ((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=1, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L73] COND FALSE !((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) [L78] var_1_17 = (4 - ((((var_1_18) < ((var_1_19 - 1))) ? (var_1_18) : ((var_1_19 - 1))))) [L79] unsigned long int stepLocal_4 = var_1_12; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_4=8, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L80] COND FALSE !(\read(var_1_6)) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_4=8, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=1, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L83] COND FALSE !((~ var_1_19) == stepLocal_4) [L86] var_1_20 = var_1_10 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L89] unsigned char stepLocal_3 = var_1_6; [L90] unsigned char stepLocal_2 = var_1_6; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_2=0, stepLocal_3=0, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=-16, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L91] COND FALSE !(stepLocal_2 && (var_1_9 < (var_1_10 + var_1_20))) [L96] var_1_16 = var_1_8 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_3=0, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L98] signed long int stepLocal_1 = ((((var_1_10) < (var_1_1)) ? (var_1_10) : (var_1_1))) + (var_1_9 % var_1_14); VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_1=32769, stepLocal_3=0, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=33/4, var_1_14=-2147483648, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L99] COND TRUE stepLocal_1 >= ((((var_1_16) < (var_1_8)) ? (var_1_16) : (var_1_8))) [L100] var_1_13 = var_1_15 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_3=0, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=4, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L104] COND TRUE (var_1_20 + var_1_20) > 16 [L105] var_1_23 = ((var_1_26 + 2) + var_1_18) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_3=0, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=16, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L113] var_1_28 = var_1_10 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_3=0, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=-256, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L114] COND TRUE var_1_16 < 2 [L115] var_1_30 = (((((((((var_1_26) > (var_1_19)) ? (var_1_26) : (var_1_19)))) > (var_1_12)) ? (((((var_1_26) > (var_1_19)) ? (var_1_26) : (var_1_19)))) : (var_1_12))) + var_1_19) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_3=0, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=127, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L119] EXPR var_1_11 | var_1_20 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_3=0, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=127, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L119] COND FALSE !((~ (var_1_11 | var_1_20)) >= (~ (~ 32))) [L122] EXPR var_1_19 >> var_1_18 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_3=0, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=127, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L122] COND FALSE !((var_1_19 >> var_1_18) <= var_1_18) [L127] COND FALSE !(var_1_12 >= var_1_11) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_3=0, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=127, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L132] COND FALSE !(((var_1_8 - var_1_19) > var_1_8) && var_1_6) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, stepLocal_3=0, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=127, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=0, var_1_39=-255, var_1_40=13/5, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L135] var_1_38 = var_1_39 [L136] var_1_40 = var_1_15 [L137] var_1_41 = var_1_42 [L199] RET step() [L200] CALL, EXPR property() [L190] EXPR (((last_1_var_1_12 == last_1_var_1_1) && (last_1_var_1_13 >= last_1_var_1_13)) ? (var_1_6 ? (var_1_7 ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((unsigned short int) ((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8)))))) : (var_1_1 == ((unsigned short int) (((((46167) > (var_1_10)) ? (46167) : (var_1_10))) - var_1_11)))) : (var_1_1 == ((unsigned short int) var_1_10))) && (((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) ? (var_1_7 ? (var_1_12 == ((unsigned long int) var_1_10)) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=127, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=-255, var_1_39=-255, var_1_40=2, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L190] EXPR ((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=127, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=-255, var_1_39=-255, var_1_40=2, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L190] EXPR (((last_1_var_1_12 == last_1_var_1_1) && (last_1_var_1_13 >= last_1_var_1_13)) ? (var_1_6 ? (var_1_7 ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((unsigned short int) ((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8)))))) : (var_1_1 == ((unsigned short int) (((((46167) > (var_1_10)) ? (46167) : (var_1_10))) - var_1_11)))) : (var_1_1 == ((unsigned short int) var_1_10))) && (((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) ? (var_1_7 ? (var_1_12 == ((unsigned long int) var_1_10)) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=127, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=-255, var_1_39=-255, var_1_40=2, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L190-L191] return (((((((last_1_var_1_12 == last_1_var_1_1) && (last_1_var_1_13 >= last_1_var_1_13)) ? (var_1_6 ? (var_1_7 ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((unsigned short int) ((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8)))))) : (var_1_1 == ((unsigned short int) (((((46167) > (var_1_10)) ? (46167) : (var_1_10))) - var_1_11)))) : (var_1_1 == ((unsigned short int) var_1_10))) && (((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) ? (var_1_7 ? (var_1_12 == ((unsigned long int) var_1_10)) : 1) : 1)) && (((((((var_1_10) < (var_1_1)) ? (var_1_10) : (var_1_1))) + (var_1_9 % var_1_14)) >= ((((var_1_16) < (var_1_8)) ? (var_1_16) : (var_1_8)))) ? (var_1_13 == ((double) var_1_15)) : (var_1_13 == ((double) var_1_15)))) && ((var_1_6 && (var_1_9 < (var_1_10 + var_1_20))) ? ((var_1_7 && var_1_6) ? (var_1_16 == ((signed long int) var_1_10)) : 1) : (var_1_16 == ((signed long int) var_1_8)))) && (var_1_17 == ((signed char) (4 - ((((var_1_18) < ((var_1_19 - 1))) ? (var_1_18) : ((var_1_19 - 1)))))))) && (var_1_6 ? (var_1_20 == ((signed long int) ((var_1_8 - (var_1_21 - var_1_11)) + var_1_10))) : (((~ var_1_19) == var_1_12) ? (var_1_20 == ((signed long int) var_1_1)) : (var_1_20 == ((signed long int) var_1_10)))) ; [L200] RET, EXPR property() [L200] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=127, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=-255, var_1_39=-255, var_1_40=2, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=32767, var_1_11=32767, var_1_12=8, var_1_13=2, var_1_14=-2147483648, var_1_15=2, var_1_16=1, var_1_17=4, var_1_18=0, var_1_19=63, var_1_1=32767, var_1_20=32767, var_1_21=536870911, var_1_23=66, var_1_26=64, var_1_28=32767, var_1_30=127, var_1_32=8, var_1_33=128, var_1_34=1/4, var_1_36=-32, var_1_38=-255, var_1_39=-255, var_1_40=2, var_1_41=0, var_1_42=0, var_1_6=0, var_1_7=-255, var_1_8=-65535, var_1_9=65538] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 178 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 8, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2217 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2216 mSDsluCounter, 4296 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3039 mSDsCounter, 940 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2592 IncrementalHoareTripleChecker+Invalid, 3532 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 940 mSolverCounterUnsat, 1257 mSDtfsCounter, 2592 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 698 GetRequests, 564 SyntacticMatches, 1 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3728 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2567occurred in iteration=7, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 834 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 2002 NumberOfCodeBlocks, 2002 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1805 ConstructedInterpolants, 0 QuantifiedInterpolants, 5494 SizeOfPredicates, 9 NumberOfNonLiveVariables, 882 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 14967/15120 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 00:54:46,677 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-pe-ci_file-92.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 be4e3b4159e813d651c15a1198ce093d0780697daead1a14334250f886e53033 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 00:54:48,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 00:54:48,541 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-17 00:54:48,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 00:54:48,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 00:54:48,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 00:54:48,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 00:54:48,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 00:54:48,572 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 00:54:48,572 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 00:54:48,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 00:54:48,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 00:54:48,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 00:54:48,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 00:54:48,573 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 00:54:48,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 00:54:48,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 00:54:48,574 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 00:54:48,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 00:54:48,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 00:54:48,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 00:54:48,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 00:54:48,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 00:54:48,574 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 00:54:48,574 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 00:54:48,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 00:54:48,575 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 00:54:48,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 00:54:48,575 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 00:54:48,575 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 00:54:48,575 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 00:54:48,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 00:54:48,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 00:54:48,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 00:54:48,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 00:54:48,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 00:54:48,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 00:54:48,576 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 00:54:48,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 00:54:48,576 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 00:54:48,576 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 00:54:48,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 00:54:48,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 00:54:48,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 00:54:48,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 00:54:48,577 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 -> be4e3b4159e813d651c15a1198ce093d0780697daead1a14334250f886e53033 [2025-03-17 00:54:48,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 00:54:48,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 00:54:48,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 00:54:48,811 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 00:54:48,812 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 00:54:48,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2025-03-17 00:54:49,928 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da2fea411/01b851f9220140ca983d3894acd5bcd1/FLAG2bd0e97e2 [2025-03-17 00:54:50,116 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 00:54:50,123 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2025-03-17 00:54:50,129 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da2fea411/01b851f9220140ca983d3894acd5bcd1/FLAG2bd0e97e2 [2025-03-17 00:54:50,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da2fea411/01b851f9220140ca983d3894acd5bcd1 [2025-03-17 00:54:50,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 00:54:50,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 00:54:50,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 00:54:50,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 00:54:50,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 00:54:50,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ffa5da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50, skipping insertion in model container [2025-03-17 00:54:50,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 00:54:50,595 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-pe-ci_file-92.i[919,932] [2025-03-17 00:54:50,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 00:54:50,650 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 00:54:50,657 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-pe-ci_file-92.i[919,932] [2025-03-17 00:54:50,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 00:54:50,695 INFO L204 MainTranslator]: Completed translation [2025-03-17 00:54:50,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50 WrapperNode [2025-03-17 00:54:50,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 00:54:50,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 00:54:50,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 00:54:50,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 00:54:50,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,727 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2025-03-17 00:54:50,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 00:54:50,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 00:54:50,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 00:54:50,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 00:54:50,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,740 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,752 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 00:54:50,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,763 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 00:54:50,772 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 00:54:50,772 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 00:54:50,772 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 00:54:50,773 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (1/1) ... [2025-03-17 00:54:50,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 00:54:50,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 00:54:50,794 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 00:54:50,795 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 00:54:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 00:54:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 00:54:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 00:54:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 00:54:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 00:54:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 00:54:50,873 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 00:54:50,875 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 00:54:51,191 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-17 00:54:51,191 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 00:54:51,201 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 00:54:51,201 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 00:54:51,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 12:54:51 BoogieIcfgContainer [2025-03-17 00:54:51,202 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 00:54:51,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 00:54:51,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 00:54:51,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 00:54:51,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 12:54:50" (1/3) ... [2025-03-17 00:54:51,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d661c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 12:54:51, skipping insertion in model container [2025-03-17 00:54:51,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:54:50" (2/3) ... [2025-03-17 00:54:51,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d661c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 12:54:51, skipping insertion in model container [2025-03-17 00:54:51,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 12:54:51" (3/3) ... [2025-03-17 00:54:51,211 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i [2025-03-17 00:54:51,220 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 00:54:51,222 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-92.i that has 2 procedures, 78 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 00:54:51,260 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 00:54:51,268 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;@65d14fae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 00:54:51,269 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 00:54:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 47 states have (on average 1.4893617021276595) internal successors, (70), 48 states have internal predecessors, (70), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-17 00:54:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-03-17 00:54:51,283 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:51,283 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:51,284 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:51,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:51,287 INFO L85 PathProgramCache]: Analyzing trace with hash -681949900, now seen corresponding path program 1 times [2025-03-17 00:54:51,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 00:54:51,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136702826] [2025-03-17 00:54:51,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:51,294 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 00:54:51,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 00:54:51,297 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 00:54:51,298 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 00:54:51,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-17 00:54:51,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-17 00:54:51,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:51,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:51,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 00:54:51,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 00:54:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2025-03-17 00:54:51,581 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 00:54:51,581 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 00:54:51,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136702826] [2025-03-17 00:54:51,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1136702826] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 00:54:51,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 00:54:51,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 00:54:51,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627935612] [2025-03-17 00:54:51,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 00:54:51,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 00:54:51,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 00:54:51,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 00:54:51,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 00:54:51,606 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.4893617021276595) internal successors, (70), 48 states have internal predecessors, (70), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-17 00:54:51,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 00:54:51,623 INFO L93 Difference]: Finished difference Result 153 states and 278 transitions. [2025-03-17 00:54:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 00:54:51,624 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2025-03-17 00:54:51,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 00:54:51,630 INFO L225 Difference]: With dead ends: 153 [2025-03-17 00:54:51,630 INFO L226 Difference]: Without dead ends: 76 [2025-03-17 00:54:51,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 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 00:54:51,634 INFO L435 NwaCegarLoop]: 121 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, 121 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 00:54:51,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 00:54:51,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2025-03-17 00:54:51,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2025-03-17 00:54:51,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 46 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-17 00:54:51,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 121 transitions. [2025-03-17 00:54:51,661 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 121 transitions. Word has length 174 [2025-03-17 00:54:51,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 00:54:51,662 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 121 transitions. [2025-03-17 00:54:51,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-17 00:54:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 121 transitions. [2025-03-17 00:54:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-03-17 00:54:51,666 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:51,666 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:51,675 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 00:54:51,867 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 00:54:51,868 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:51,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:51,868 INFO L85 PathProgramCache]: Analyzing trace with hash -2046289838, now seen corresponding path program 1 times [2025-03-17 00:54:51,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 00:54:51,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390684139] [2025-03-17 00:54:51,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:51,869 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 00:54:51,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 00:54:51,871 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 00:54:51,872 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 00:54:51,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-17 00:54:52,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-17 00:54:52,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:52,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:52,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 00:54:52,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 00:54:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2025-03-17 00:54:52,327 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 00:54:53,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2025-03-17 00:54:53,025 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 00:54:53,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390684139] [2025-03-17 00:54:53,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390684139] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 00:54:53,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 00:54:53,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-03-17 00:54:53,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865545589] [2025-03-17 00:54:53,026 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 00:54:53,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 00:54:53,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 00:54:53,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 00:54:53,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2025-03-17 00:54:53,031 INFO L87 Difference]: Start difference. First operand 76 states and 121 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-03-17 00:54:53,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 00:54:53,787 INFO L93 Difference]: Finished difference Result 211 states and 320 transitions. [2025-03-17 00:54:53,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 00:54:53,788 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 174 [2025-03-17 00:54:53,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 00:54:53,791 INFO L225 Difference]: With dead ends: 211 [2025-03-17 00:54:53,791 INFO L226 Difference]: Without dead ends: 136 [2025-03-17 00:54:53,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 318 SyntacticMatches, 20 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=157, Invalid=263, Unknown=0, NotChecked=0, Total=420 [2025-03-17 00:54:53,792 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 160 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 00:54:53,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 265 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 00:54:53,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-03-17 00:54:53,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 105. [2025-03-17 00:54:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 69 states have (on average 1.391304347826087) internal successors, (96), 70 states have internal predecessors, (96), 32 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-17 00:54:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 160 transitions. [2025-03-17 00:54:53,818 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 160 transitions. Word has length 174 [2025-03-17 00:54:53,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 00:54:53,818 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 160 transitions. [2025-03-17 00:54:53,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-03-17 00:54:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 160 transitions. [2025-03-17 00:54:53,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-03-17 00:54:53,821 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:53,821 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:53,830 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 00:54:54,021 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 00:54:54,022 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:54,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:54,023 INFO L85 PathProgramCache]: Analyzing trace with hash -2046260047, now seen corresponding path program 1 times [2025-03-17 00:54:54,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 00:54:54,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472112288] [2025-03-17 00:54:54,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:54,023 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 00:54:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 00:54:54,025 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 00:54:54,027 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 00:54:54,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-17 00:54:54,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-17 00:54:54,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:54,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:54,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 00:54:54,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 00:54:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2025-03-17 00:54:54,491 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 00:54:54,491 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 00:54:54,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472112288] [2025-03-17 00:54:54,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472112288] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 00:54:54,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 00:54:54,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 00:54:54,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741422559] [2025-03-17 00:54:54,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 00:54:54,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 00:54:54,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 00:54:54,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 00:54:54,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 00:54:54,492 INFO L87 Difference]: Start difference. First operand 105 states and 160 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2025-03-17 00:54:54,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 00:54:54,876 INFO L93 Difference]: Finished difference Result 322 states and 492 transitions. [2025-03-17 00:54:54,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 00:54:54,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 174 [2025-03-17 00:54:54,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 00:54:54,884 INFO L225 Difference]: With dead ends: 322 [2025-03-17 00:54:54,885 INFO L226 Difference]: Without dead ends: 218 [2025-03-17 00:54:54,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 171 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 00:54:54,886 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 102 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 00:54:54,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 363 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 00:54:54,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-03-17 00:54:54,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 182. [2025-03-17 00:54:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 116 states have (on average 1.3706896551724137) internal successors, (159), 117 states have internal predecessors, (159), 60 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2025-03-17 00:54:54,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 279 transitions. [2025-03-17 00:54:54,909 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 279 transitions. Word has length 174 [2025-03-17 00:54:54,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 00:54:54,910 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 279 transitions. [2025-03-17 00:54:54,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2025-03-17 00:54:54,910 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 279 transitions. [2025-03-17 00:54:54,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-03-17 00:54:54,912 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:54:54,912 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:54,921 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 (4)] Ended with exit code 0 [2025-03-17 00:54:55,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 00:54:55,113 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:54:55,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:54:55,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1039779693, now seen corresponding path program 1 times [2025-03-17 00:54:55,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 00:54:55,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094222432] [2025-03-17 00:54:55,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:55,114 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 00:54:55,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 00:54:55,116 INFO L229 MonitoredProcess]: Starting monitored process 5 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 00:54:55,117 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 (5)] Waiting until timeout for monitored process [2025-03-17 00:54:55,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-17 00:54:55,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-17 00:54:55,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:55,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:55,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 00:54:55,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 00:54:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 636 proven. 36 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-03-17 00:54:55,615 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 00:54:55,897 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 00:54:55,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094222432] [2025-03-17 00:54:55,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1094222432] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 00:54:55,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1311916231] [2025-03-17 00:54:55,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:54:55,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-03-17 00:54:55,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2025-03-17 00:54:55,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-03-17 00:54:55,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2025-03-17 00:54:55,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-17 00:54:56,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-17 00:54:56,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:54:56,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:54:56,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 00:54:56,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 00:54:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 804 proven. 102 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2025-03-17 00:54:56,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 00:54:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2025-03-17 00:54:57,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1311916231] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 00:54:57,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 00:54:57,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2025-03-17 00:54:57,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054340574] [2025-03-17 00:54:57,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 00:54:57,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 00:54:57,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 00:54:57,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 00:54:57,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2025-03-17 00:54:57,241 INFO L87 Difference]: Start difference. First operand 182 states and 279 transitions. Second operand has 20 states, 20 states have (on average 5.55) internal successors, (111), 19 states have internal predecessors, (111), 6 states have call successors, (66), 5 states have call predecessors, (66), 9 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) [2025-03-17 00:55:04,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 00:55:08,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 00:55:08,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 00:55:08,984 INFO L93 Difference]: Finished difference Result 770 states and 1066 transitions. [2025-03-17 00:55:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-03-17 00:55:08,985 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.55) internal successors, (111), 19 states have internal predecessors, (111), 6 states have call successors, (66), 5 states have call predecessors, (66), 9 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) Word has length 175 [2025-03-17 00:55:08,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 00:55:08,988 INFO L225 Difference]: With dead ends: 770 [2025-03-17 00:55:08,988 INFO L226 Difference]: Without dead ends: 589 [2025-03-17 00:55:08,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 528 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2226 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1652, Invalid=5488, Unknown=0, NotChecked=0, Total=7140 [2025-03-17 00:55:08,991 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 561 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 344 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2025-03-17 00:55:08,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 489 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 977 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2025-03-17 00:55:08,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2025-03-17 00:55:09,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 484. [2025-03-17 00:55:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 327 states have (on average 1.269113149847095) internal successors, (415), 336 states have internal predecessors, (415), 126 states have call successors, (126), 30 states have call predecessors, (126), 30 states have return successors, (126), 117 states have call predecessors, (126), 126 states have call successors, (126) [2025-03-17 00:55:09,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 667 transitions. [2025-03-17 00:55:09,040 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 667 transitions. Word has length 175 [2025-03-17 00:55:09,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 00:55:09,040 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 667 transitions. [2025-03-17 00:55:09,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.55) internal successors, (111), 19 states have internal predecessors, (111), 6 states have call successors, (66), 5 states have call predecessors, (66), 9 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) [2025-03-17 00:55:09,041 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 667 transitions. [2025-03-17 00:55:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-03-17 00:55:09,042 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 00:55:09,042 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:09,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2025-03-17 00:55:09,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2025-03-17 00:55:09,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2025-03-17 00:55:09,443 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 00:55:09,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 00:55:09,444 INFO L85 PathProgramCache]: Analyzing trace with hash 320555887, now seen corresponding path program 1 times [2025-03-17 00:55:09,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 00:55:09,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1588105554] [2025-03-17 00:55:09,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 00:55:09,446 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 00:55:09,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 00:55:09,449 INFO L229 MonitoredProcess]: Starting monitored process 7 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 00:55:09,451 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 (7)] Waiting until timeout for monitored process [2025-03-17 00:55:09,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-03-17 00:55:09,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-03-17 00:55:09,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 00:55:09,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 00:55:09,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 00:55:09,690 INFO L279 TraceCheckSpWp]: Computing forward predicates...