./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:37:32,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:37:32,424 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 00:37:32,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:37:32,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:37:32,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:37:32,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:37:32,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:37:32,451 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:37:32,451 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:37:32,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:37:32,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:37:32,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:37:32,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:37:32,452 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:37:32,452 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:37:32,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:37:32,453 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee [2025-02-06 00:37:32,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:37:32,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:37:32,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:37:32,728 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:37:32,729 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:37:32,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-02-06 00:37:33,956 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9b2c286ae/cda82b69f0a64ca3bbc1a41aa5ff39d3/FLAG8c6558dee [2025-02-06 00:37:34,193 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:37:34,194 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-02-06 00:37:34,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9b2c286ae/cda82b69f0a64ca3bbc1a41aa5ff39d3/FLAG8c6558dee [2025-02-06 00:37:34,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9b2c286ae/cda82b69f0a64ca3bbc1a41aa5ff39d3 [2025-02-06 00:37:34,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:37:34,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:37:34,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:37:34,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:37:34,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:37:34,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26abf4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34, skipping insertion in model container [2025-02-06 00:37:34,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:37:34,652 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-02-06 00:37:34,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:37:34,705 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:37:34,714 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-02-06 00:37:34,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:37:34,740 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:37:34,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34 WrapperNode [2025-02-06 00:37:34,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:37:34,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:37:34,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:37:34,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:37:34,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,776 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2025-02-06 00:37:34,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:37:34,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:37:34,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:37:34,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:37:34,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,805 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 00:37:34,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,813 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:37:34,821 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:37:34,821 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:37:34,821 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:37:34,822 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (1/1) ... [2025-02-06 00:37:34,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:37:34,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:37:34,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 00:37:34,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 00:37:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:37:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:37:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:37:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 00:37:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:37:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:37:34,918 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:37:34,919 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:37:35,172 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 00:37:35,172 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:37:35,180 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:37:35,181 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:37:35,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:37:35 BoogieIcfgContainer [2025-02-06 00:37:35,181 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:37:35,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:37:35,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:37:35,187 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:37:35,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:37:34" (1/3) ... [2025-02-06 00:37:35,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a8d28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:37:35, skipping insertion in model container [2025-02-06 00:37:35,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:34" (2/3) ... [2025-02-06 00:37:35,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a8d28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:37:35, skipping insertion in model container [2025-02-06 00:37:35,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:37:35" (3/3) ... [2025-02-06 00:37:35,190 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-61.i [2025-02-06 00:37:35,200 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:37:35,201 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-61.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:37:35,240 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:37:35,250 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;@397feebc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:37:35,250 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:37:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 00:37:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-02-06 00:37:35,262 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:37:35,263 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:37:35,264 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:37:35,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:37:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash 30698183, now seen corresponding path program 1 times [2025-02-06 00:37:35,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:37:35,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154214302] [2025-02-06 00:37:35,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:37:35,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:37:35,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-06 00:37:35,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-06 00:37:35,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:37:35,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:37:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-02-06 00:37:35,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 00:37:35,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154214302] [2025-02-06 00:37:35,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154214302] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 00:37:35,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233113942] [2025-02-06 00:37:35,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:37:35,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:37:35,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:37:35,506 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 00:37:35,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 00:37:35,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-06 00:37:35,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-06 00:37:35,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:37:35,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:37:35,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:37:35,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:37:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-02-06 00:37:35,720 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:37:35,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233113942] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:37:35,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 00:37:35,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 00:37:35,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817229138] [2025-02-06 00:37:35,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:37:35,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:37:35,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 00:37:35,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:37:35,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:37:35,755 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-06 00:37:35,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:37:35,779 INFO L93 Difference]: Finished difference Result 122 states and 213 transitions. [2025-02-06 00:37:35,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:37:35,782 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 158 [2025-02-06 00:37:35,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:37:35,787 INFO L225 Difference]: With dead ends: 122 [2025-02-06 00:37:35,788 INFO L226 Difference]: Without dead ends: 61 [2025-02-06 00:37:35,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:37:35,796 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 00:37:35,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:37:35,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-02-06 00:37:35,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-02-06 00:37:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 00:37:35,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2025-02-06 00:37:35,841 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 158 [2025-02-06 00:37:35,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:37:35,841 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2025-02-06 00:37:35,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-06 00:37:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2025-02-06 00:37:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-02-06 00:37:35,844 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:37:35,845 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:37:35,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 00:37:36,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 00:37:36,046 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:37:36,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:37:36,047 INFO L85 PathProgramCache]: Analyzing trace with hash -25933249, now seen corresponding path program 1 times [2025-02-06 00:37:36,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:37:36,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952014599] [2025-02-06 00:37:36,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:37:36,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:37:36,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-02-06 00:37:36,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-02-06 00:37:36,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:37:36,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:37:36,187 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 00:37:36,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-02-06 00:37:36,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-02-06 00:37:36,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:37:36,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:37:36,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 00:37:36,320 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 00:37:36,321 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 00:37:36,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 00:37:36,325 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 00:37:36,411 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 00:37:36,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 12:37:36 BoogieIcfgContainer [2025-02-06 00:37:36,415 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 00:37:36,416 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 00:37:36,416 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 00:37:36,416 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 00:37:36,417 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:37:35" (3/4) ... [2025-02-06 00:37:36,418 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 00:37:36,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 00:37:36,420 INFO L158 Benchmark]: Toolchain (without parser) took 1885.92ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 55.4MB in the end (delta: 58.8MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2025-02-06 00:37:36,420 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 201.3MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:37:36,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.43ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 100.7MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 00:37:36,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.73ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 97.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 00:37:36,421 INFO L158 Benchmark]: Boogie Preprocessor took 43.41ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 93.6MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:37:36,422 INFO L158 Benchmark]: IcfgBuilder took 360.34ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 74.5MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 00:37:36,423 INFO L158 Benchmark]: TraceAbstraction took 1231.95ms. Allocated memory is still 142.6MB. Free memory was 74.1MB in the beginning and 55.4MB in the end (delta: 18.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2025-02-06 00:37:36,424 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:37:36,425 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 201.3MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.43ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 100.7MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.73ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 97.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.41ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 93.6MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 360.34ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 74.5MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1231.95ms. Allocated memory is still 142.6MB. Free memory was 74.1MB in the beginning and 55.4MB in the end (delta: 18.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 27.1kB). 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 to_int at line 56, overapproximation of to_int at line 114. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 8; [L27] unsigned char var_1_9 = 128; [L28] unsigned char var_1_10 = 64; [L29] unsigned char var_1_11 = 100; [L30] unsigned char var_1_12 = 5; [L31] unsigned char var_1_13 = 100; [L32] unsigned char var_1_14 = 32; [L33] unsigned char var_1_15 = 64; [L34] unsigned char var_1_16 = 50; [L35] unsigned char var_1_17 = 8; [L36] unsigned char var_1_18 = 0; [L37] signed char var_1_19 = 0; [L38] signed long int var_1_20 = 255; [L39] signed long int var_1_21 = 255; [L40] unsigned short int var_1_22 = 64; [L41] signed long int var_1_23 = 32; VAL [isInitial=0, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L118] isInitial = 1 [L119] FCALL initially() [L120] COND TRUE 1 [L121] FCALL updateLastVariables() [L122] CALL updateVariables() [L71] var_1_4 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L73] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L76] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L77] var_1_6 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L78] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L79] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L81] RET assume_abort_if_not(var_1_9 >= 127) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L82] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L82] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L83] var_1_10 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L84] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L85] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L85] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L86] var_1_12 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L87] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L88] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L88] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L89] var_1_13 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L91] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L91] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L93] RET assume_abort_if_not(var_1_14 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L94] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L94] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L95] var_1_15 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_15 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L96] RET assume_abort_if_not(var_1_15 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L97] CALL assume_abort_if_not(var_1_15 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L97] RET assume_abort_if_not(var_1_15 <= 64) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L98] var_1_16 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_16 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L99] RET assume_abort_if_not(var_1_16 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L100] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L100] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L101] var_1_17 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L102] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L103] CALL assume_abort_if_not(var_1_17 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L103] RET assume_abort_if_not(var_1_17 <= 64) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L104] var_1_18 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L105] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L106] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L106] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L107] var_1_21 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_21 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L108] RET assume_abort_if_not(var_1_21 >= -2147483648) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L109] CALL assume_abort_if_not(var_1_21 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L109] RET assume_abort_if_not(var_1_21 <= 2147483647) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L122] RET updateVariables() [L123] CALL step() [L45] COND TRUE \read(var_1_6) [L46] var_1_11 = (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))) VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L50] unsigned char stepLocal_0 = var_1_6 || var_1_4; VAL [isInitial=1, stepLocal_0=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L51] COND TRUE var_1_5 || stepLocal_0 [L52] var_1_19 = var_1_15 VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L54] var_1_20 = var_1_21 [L55] var_1_22 = var_1_18 [L56] var_1_23 = 0.010000000000000009 VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L57] COND FALSE !(var_1_20 < var_1_20) VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L60] COND TRUE var_1_20 >= var_1_20 [L61] var_1_1 = var_1_5 VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L66] COND TRUE var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20))) [L67] var_1_7 = (var_1_9 - var_1_10) VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] [L123] RET step() [L124] CALL, EXPR property() [L114-L115] return (((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned char) (var_1_4 || var_1_5))) : ((var_1_20 >= var_1_20) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_6)))) && ((var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20)))) ? (var_1_7 == ((unsigned char) (var_1_9 - var_1_10))) : 1)) && (var_1_6 ? (var_1_11 == ((unsigned char) (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))) : (var_1_11 == ((unsigned char) (((64 + var_1_14) + (var_1_15 + var_1_16)) - (var_1_17 + var_1_18)))))) && ((var_1_5 || (var_1_6 || var_1_4)) ? (var_1_19 == ((signed char) var_1_15)) : 1)) && (var_1_20 == ((signed long int) var_1_21))) && (var_1_22 == ((unsigned short int) var_1_18))) && (var_1_23 == ((signed long int) 0.010000000000000009)) ; VAL [\result=0, isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] [L19] reach_error() VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=127, var_1_14=62, var_1_15=64, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 89 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 475 NumberOfCodeBlocks, 475 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2550/2600 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-06 00:37:36,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:37:38,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:37:38,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 00:37:38,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:37:38,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:37:38,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:37:38,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:37:38,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:37:38,396 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:37:38,396 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:37:38,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:37:38,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:37:38,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:37:38,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:37:38,397 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:37:38,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:37:38,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:37:38,397 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:37:38,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:37:38,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:37:38,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:37:38,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:37:38,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:37:38,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 00:37:38,398 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 00:37:38,398 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 00:37:38,398 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:37:38,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:37:38,398 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:37:38,398 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:37:38,398 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:37:38,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:37:38,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:37:38,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:37:38,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:37:38,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:37:38,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:37:38,399 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:37:38,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:37:38,399 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 00:37:38,399 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 00:37:38,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:37:38,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:37:38,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:37:38,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:37:38,400 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee [2025-02-06 00:37:38,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:37:38,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:37:38,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:37:38,686 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:37:38,687 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:37:38,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-02-06 00:37:39,912 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abde696ef/7a62b7cc434f41d1a5ea07740827e874/FLAG8b4788bbb [2025-02-06 00:37:40,115 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:37:40,116 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-02-06 00:37:40,123 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abde696ef/7a62b7cc434f41d1a5ea07740827e874/FLAG8b4788bbb [2025-02-06 00:37:40,475 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abde696ef/7a62b7cc434f41d1a5ea07740827e874 [2025-02-06 00:37:40,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:37:40,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:37:40,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:37:40,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:37:40,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:37:40,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17247613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40, skipping insertion in model container [2025-02-06 00:37:40,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,498 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:37:40,599 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-02-06 00:37:40,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:37:40,645 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:37:40,652 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-02-06 00:37:40,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:37:40,680 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:37:40,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40 WrapperNode [2025-02-06 00:37:40,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:37:40,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:37:40,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:37:40,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:37:40,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,723 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2025-02-06 00:37:40,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:37:40,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:37:40,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:37:40,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:37:40,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,732 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,747 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 00:37:40,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,758 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:37:40,768 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:37:40,768 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:37:40,768 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:37:40,769 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (1/1) ... [2025-02-06 00:37:40,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:37:40,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:37:40,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 00:37:40,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 00:37:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:37:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 00:37:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:37:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:37:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:37:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:37:40,877 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:37:40,879 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:37:41,077 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 00:37:41,078 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:37:41,087 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:37:41,087 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:37:41,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:37:41 BoogieIcfgContainer [2025-02-06 00:37:41,087 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:37:41,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:37:41,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:37:41,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:37:41,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:37:40" (1/3) ... [2025-02-06 00:37:41,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e52992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:37:41, skipping insertion in model container [2025-02-06 00:37:41,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:37:40" (2/3) ... [2025-02-06 00:37:41,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e52992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:37:41, skipping insertion in model container [2025-02-06 00:37:41,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:37:41" (3/3) ... [2025-02-06 00:37:41,097 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-61.i [2025-02-06 00:37:41,107 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:37:41,108 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-61.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:37:41,156 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:37:41,166 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;@505ae904, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:37:41,166 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:37:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 00:37:41,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-02-06 00:37:41,178 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:37:41,178 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:37:41,179 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:37:41,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:37:41,182 INFO L85 PathProgramCache]: Analyzing trace with hash 30698183, now seen corresponding path program 1 times [2025-02-06 00:37:41,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:37:41,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114692730] [2025-02-06 00:37:41,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:37:41,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 00:37:41,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:37:41,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 00:37:41,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-06 00:37:41,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-06 00:37:41,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-06 00:37:41,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:37:41,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:37:41,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:37:41,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:37:41,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2025-02-06 00:37:41,426 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:37:41,426 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 00:37:41,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114692730] [2025-02-06 00:37:41,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114692730] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:37:41,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 00:37:41,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 00:37:41,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930415295] [2025-02-06 00:37:41,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:37:41,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:37:41,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 00:37:41,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:37:41,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:37:41,448 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-06 00:37:41,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:37:41,467 INFO L93 Difference]: Finished difference Result 122 states and 213 transitions. [2025-02-06 00:37:41,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:37:41,471 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 158 [2025-02-06 00:37:41,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:37:41,477 INFO L225 Difference]: With dead ends: 122 [2025-02-06 00:37:41,477 INFO L226 Difference]: Without dead ends: 61 [2025-02-06 00:37:41,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:37:41,483 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 00:37:41,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:37:41,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-02-06 00:37:41,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-02-06 00:37:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 00:37:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2025-02-06 00:37:41,526 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 158 [2025-02-06 00:37:41,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:37:41,526 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2025-02-06 00:37:41,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-06 00:37:41,526 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2025-02-06 00:37:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-02-06 00:37:41,528 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:37:41,528 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:37:41,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-06 00:37:41,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 00:37:41,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:37:41,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:37:41,733 INFO L85 PathProgramCache]: Analyzing trace with hash -25933249, now seen corresponding path program 1 times [2025-02-06 00:37:41,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:37:41,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615026658] [2025-02-06 00:37:41,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:37:41,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 00:37:41,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:37:41,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 00:37:41,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-06 00:37:41,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-02-06 00:37:41,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-02-06 00:37:41,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:37:41,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:37:41,863 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 00:37:41,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-02-06 00:37:41,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-02-06 00:37:41,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:37:41,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:37:41,945 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2025-02-06 00:37:41,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1801165833] [2025-02-06 00:37:41,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:37:41,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-02-06 00:37:41,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-02-06 00:37:41,966 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-02-06 00:37:41,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-02-06 00:37:42,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-02-06 00:37:42,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-02-06 00:37:42,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:37:42,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:37:42,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-06 00:37:42,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:39:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 603 proven. 150 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2025-02-06 00:39:12,149 INFO L312 TraceCheckSpWp]: Computing backward predicates...