./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 23:42:42,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 23:42:42,105 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 23:42:42,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 23:42:42,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 23:42:42,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 23:42:42,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 23:42:42,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 23:42:42,134 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 23:42:42,134 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 23:42:42,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 23:42:42,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 23:42:42,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 23:42:42,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 23:42:42,135 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 23:42:42,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 23:42:42,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 23:42:42,136 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 23:42:42,136 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 23:42:42,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 23:42:42,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 23:42:42,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 23:42:42,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 23:42:42,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 23:42:42,137 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 23:42:42,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 23:42:42,137 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 23:42:42,137 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 23:42:42,137 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 23:42:42,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 23:42:42,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 23:42:42,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 23:42:42,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 23:42:42,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 23:42:42,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 23:42:42,138 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 23:42:42,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 23:42:42,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 23:42:42,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 23:42:42,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 23:42:42,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 23:42:42,139 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 23:42:42,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 23:42:42,139 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 [2025-03-03 23:42:42,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 23:42:42,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 23:42:42,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 23:42:42,389 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 23:42:42,389 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 23:42:42,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2025-03-03 23:42:43,501 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e3bcfa00/1f5c634e88d94bebaade578b8749834a/FLAGc3a0f3729 [2025-03-03 23:42:43,737 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 23:42:43,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2025-03-03 23:42:43,746 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e3bcfa00/1f5c634e88d94bebaade578b8749834a/FLAGc3a0f3729 [2025-03-03 23:42:43,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e3bcfa00/1f5c634e88d94bebaade578b8749834a [2025-03-03 23:42:43,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 23:42:43,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 23:42:43,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 23:42:43,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 23:42:43,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 23:42:43,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:42:43" (1/1) ... [2025-03-03 23:42:43,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a01144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:43, skipping insertion in model container [2025-03-03 23:42:43,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:42:43" (1/1) ... [2025-03-03 23:42:43,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 23:42:43,881 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2025-03-03 23:42:43,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 23:42:43,952 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 23:42:43,961 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2025-03-03 23:42:43,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 23:42:44,007 INFO L204 MainTranslator]: Completed translation [2025-03-03 23:42:44,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44 WrapperNode [2025-03-03 23:42:44,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 23:42:44,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 23:42:44,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 23:42:44,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 23:42:44,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,047 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2025-03-03 23:42:44,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 23:42:44,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 23:42:44,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 23:42:44,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 23:42:44,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,067 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 23:42:44,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,073 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 23:42:44,083 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 23:42:44,083 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 23:42:44,083 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 23:42:44,084 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (1/1) ... [2025-03-03 23:42:44,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 23:42:44,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 23:42:44,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 23:42:44,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 23:42:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 23:42:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 23:42:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 23:42:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 23:42:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 23:42:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 23:42:44,191 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 23:42:44,193 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 23:42:44,402 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-03 23:42:44,403 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 23:42:44,412 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 23:42:44,412 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 23:42:44,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:42:44 BoogieIcfgContainer [2025-03-03 23:42:44,413 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 23:42:44,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 23:42:44,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 23:42:44,418 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 23:42:44,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 11:42:43" (1/3) ... [2025-03-03 23:42:44,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c39d5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:42:44, skipping insertion in model container [2025-03-03 23:42:44,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:44" (2/3) ... [2025-03-03 23:42:44,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c39d5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:42:44, skipping insertion in model container [2025-03-03 23:42:44,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:42:44" (3/3) ... [2025-03-03 23:42:44,420 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-36.i [2025-03-03 23:42:44,430 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 23:42:44,433 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-36.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 23:42:44,480 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 23:42:44,488 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;@3d683949, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 23:42:44,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 23:42:44,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-03 23:42:44,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-03 23:42:44,498 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 23:42:44,499 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 23:42:44,499 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 23:42:44,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 23:42:44,503 INFO L85 PathProgramCache]: Analyzing trace with hash -698711822, now seen corresponding path program 1 times [2025-03-03 23:42:44,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 23:42:44,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414981728] [2025-03-03 23:42:44,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 23:42:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 23:42:44,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-03 23:42:44,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-03 23:42:44,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:42:44,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 23:42:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2025-03-03 23:42:44,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 23:42:44,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414981728] [2025-03-03 23:42:44,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414981728] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 23:42:44,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375121434] [2025-03-03 23:42:44,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 23:42:44,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 23:42:44,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 23:42:44,763 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 23:42:44,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 23:42:44,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-03 23:42:44,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-03 23:42:44,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:42:44,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 23:42:44,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 23:42:44,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 23:42:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2025-03-03 23:42:44,953 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 23:42:44,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375121434] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 23:42:44,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 23:42:44,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-03 23:42:44,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894591085] [2025-03-03 23:42:44,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 23:42:44,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 23:42:44,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 23:42:44,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 23:42:44,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 23:42:44,978 INFO L87 Difference]: Start difference. First operand has 72 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-03 23:42:45,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 23:42:45,001 INFO L93 Difference]: Finished difference Result 138 states and 237 transitions. [2025-03-03 23:42:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 23:42:45,003 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 154 [2025-03-03 23:42:45,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 23:42:45,008 INFO L225 Difference]: With dead ends: 138 [2025-03-03 23:42:45,009 INFO L226 Difference]: Without dead ends: 69 [2025-03-03 23:42:45,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 23:42:45,016 INFO L435 NwaCegarLoop]: 104 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, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 23:42:45,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 23:42:45,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-03-03 23:42:45,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2025-03-03 23:42:45,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-03 23:42:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2025-03-03 23:42:45,069 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 154 [2025-03-03 23:42:45,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 23:42:45,070 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2025-03-03 23:42:45,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-03 23:42:45,070 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2025-03-03 23:42:45,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-03 23:42:45,073 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 23:42:45,073 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 23:42:45,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-03 23:42:45,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-03 23:42:45,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 23:42:45,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 23:42:45,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1817377838, now seen corresponding path program 1 times [2025-03-03 23:42:45,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 23:42:45,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91242011] [2025-03-03 23:42:45,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 23:42:45,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 23:42:45,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-03 23:42:45,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-03 23:42:45,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:42:45,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-03 23:42:45,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1590829816] [2025-03-03 23:42:45,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 23:42:45,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 23:42:45,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 23:42:45,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 23:42:45,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 23:42:45,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-03 23:42:45,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-03 23:42:45,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:42:45,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 23:42:45,528 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 23:42:45,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-03 23:42:45,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-03 23:42:45,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:42:45,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 23:42:45,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 23:42:45,645 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 23:42:45,645 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 23:42:45,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-03 23:42:45,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-03 23:42:45,849 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 23:42:45,919 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 23:42:45,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 11:42:45 BoogieIcfgContainer [2025-03-03 23:42:45,923 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 23:42:45,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 23:42:45,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 23:42:45,923 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 23:42:45,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:42:44" (3/4) ... [2025-03-03 23:42:45,926 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 23:42:45,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 23:42:45,927 INFO L158 Benchmark]: Toolchain (without parser) took 2162.95ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 69.9MB in the end (delta: 52.2MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2025-03-03 23:42:45,927 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 201.3MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 23:42:45,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.17ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 107.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 23:42:45,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.39ms. Allocated memory is still 167.8MB. Free memory was 107.8MB in the beginning and 104.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 23:42:45,927 INFO L158 Benchmark]: Boogie Preprocessor took 32.76ms. Allocated memory is still 167.8MB. Free memory was 104.7MB in the beginning and 100.3MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 23:42:45,928 INFO L158 Benchmark]: IcfgBuilder took 329.82ms. Allocated memory is still 167.8MB. Free memory was 100.3MB in the beginning and 79.3MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 23:42:45,928 INFO L158 Benchmark]: TraceAbstraction took 1507.86ms. Allocated memory is still 167.8MB. Free memory was 78.9MB in the beginning and 69.9MB in the end (delta: 9.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2025-03-03 23:42:45,928 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 167.8MB. Free memory was 69.9MB in the beginning and 69.9MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 23:42:45,929 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 201.3MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.17ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 107.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.39ms. Allocated memory is still 167.8MB. Free memory was 107.8MB in the beginning and 104.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.76ms. Allocated memory is still 167.8MB. Free memory was 104.7MB in the beginning and 100.3MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 329.82ms. Allocated memory is still 167.8MB. Free memory was 100.3MB in the beginning and 79.3MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1507.86ms. Allocated memory is still 167.8MB. Free memory was 78.9MB in the beginning and 69.9MB in the end (delta: 9.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 167.8MB. Free memory was 69.9MB in the beginning and 69.9MB in the end (delta: 50.8kB). 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 someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.75; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 9.6; [L25] double var_1_4 = 7.625; [L26] double var_1_5 = 1.5; [L27] double var_1_6 = 63.17; [L28] double var_1_7 = 15.5; [L29] unsigned short int var_1_8 = 4; [L30] unsigned short int var_1_9 = 45624; [L31] unsigned short int var_1_10 = 39447; [L32] unsigned short int var_1_11 = 10; [L33] double var_1_12 = 255.5; [L34] double var_1_13 = 0.0; [L35] double var_1_14 = 127.5; [L36] float var_1_15 = 8.2; [L37] float var_1_16 = 2.8; [L38] signed short int var_1_17 = 8; [L39] double var_1_18 = 24.8; [L40] signed short int var_1_19 = -256; [L41] signed short int var_1_20 = 8; [L42] signed short int var_1_21 = 16; [L43] unsigned short int var_1_22 = 2; [L44] unsigned short int var_1_24 = 16; [L45] unsigned char var_1_25 = 0; [L46] unsigned short int last_1_var_1_22 = 2; VAL [isInitial=0, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L138] isInitial = 1 [L139] FCALL initially() [L140] COND TRUE 1 [L141] CALL updateLastVariables() [L131] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L141] RET updateLastVariables() [L142] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L92] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L92] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L93] var_1_3 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L94] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L95] var_1_4 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L96] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L97] var_1_5 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L98] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L99] var_1_6 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L100] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L101] var_1_7 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=45624] [L102] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=45624] [L103] var_1_9 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_9 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L104] RET assume_abort_if_not(var_1_9 >= 32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L105] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L105] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L106] var_1_10 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L107] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L108] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L108] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L109] var_1_11 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L110] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L111] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L111] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L112] var_1_13 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L113] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L114] var_1_18 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L115] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L116] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L116] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L117] var_1_19 = __VERIFIER_nondet_short() [L118] CALL assume_abort_if_not(var_1_19 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L118] RET assume_abort_if_not(var_1_19 >= -32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L119] CALL assume_abort_if_not(var_1_19 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L119] RET assume_abort_if_not(var_1_19 <= 32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L120] var_1_20 = __VERIFIER_nondet_short() [L121] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L121] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L122] CALL assume_abort_if_not(var_1_20 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L122] RET assume_abort_if_not(var_1_20 <= 32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L123] var_1_21 = __VERIFIER_nondet_short() [L124] CALL assume_abort_if_not(var_1_21 >= -32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L124] RET assume_abort_if_not(var_1_21 >= -32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L125] CALL assume_abort_if_not(var_1_21 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L125] RET assume_abort_if_not(var_1_21 <= 32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L126] var_1_25 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_2=1, var_1_8=4, var_1_9=65533] [L127] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_2=1, var_1_8=4, var_1_9=65533] [L128] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_8=4, var_1_9=65533] [L128] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_8=4, var_1_9=65533] [L142] RET updateVariables() [L143] CALL step() [L50] COND TRUE \read(var_1_2) [L51] var_1_1 = (((((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) < (var_1_7)) ? ((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) : (var_1_7))) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=4, var_1_9=65533] [L53] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L54] COND TRUE \read(var_1_2) [L55] var_1_12 = (((((var_1_3 - (var_1_13 - 128.68))) < (var_1_7)) ? ((var_1_3 - (var_1_13 - 128.68))) : (var_1_7))) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=3, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L57] var_1_14 = var_1_6 VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L58] COND FALSE !(var_1_13 >= var_1_14) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L65] COND TRUE var_1_3 <= var_1_4 [L66] var_1_16 = ((((var_1_6) < (var_1_4)) ? (var_1_6) : (var_1_4))) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=8, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L68] unsigned short int stepLocal_0 = var_1_11; VAL [isInitial=1, last_1_var_1_22=2, stepLocal_0=196608, var_1_10=65534, var_1_11=196608, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=8, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L69] COND FALSE !(var_1_7 >= (var_1_5 / ((((var_1_13) < (var_1_18)) ? (var_1_13) : (var_1_18))))) [L78] var_1_17 = var_1_21 VAL [isInitial=1, last_1_var_1_22=2, stepLocal_0=196608, var_1_10=65534, var_1_11=196608, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=-32766, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L80] COND TRUE (var_1_11 + var_1_20) <= ((var_1_21 * last_1_var_1_22) * var_1_19) [L81] var_1_22 = (((((var_1_9 - var_1_11)) > (var_1_10)) ? ((var_1_9 - var_1_11)) : (var_1_10))) VAL [isInitial=1, last_1_var_1_22=2, stepLocal_0=196608, var_1_10=65534, var_1_11=196608, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=-32766, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=65534, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L83] COND FALSE !(var_1_9 < var_1_11) VAL [isInitial=1, last_1_var_1_22=2, stepLocal_0=196608, var_1_10=65534, var_1_11=196608, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=-32766, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=65534, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L143] RET step() [L144] CALL, EXPR property() [L134-L135] return ((((((((var_1_2 ? (var_1_1 == ((double) (((((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) < (var_1_7)) ? ((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) : (var_1_7))))) : 1) && (var_1_8 == ((unsigned short int) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11)))) && (var_1_2 ? (var_1_12 == ((double) (((((var_1_3 - (var_1_13 - 128.68))) < (var_1_7)) ? ((var_1_3 - (var_1_13 - 128.68))) : (var_1_7))))) : 1)) && (var_1_14 == ((double) var_1_6))) && ((var_1_13 >= var_1_14) ? (var_1_2 ? ((var_1_8 == var_1_11) ? (var_1_15 == ((float) 10.975f)) : 1) : 1) : 1)) && ((var_1_3 <= var_1_4) ? (var_1_16 == ((float) ((((var_1_6) < (var_1_4)) ? (var_1_6) : (var_1_4))))) : 1)) && ((var_1_7 >= (var_1_5 / ((((var_1_13) < (var_1_18)) ? (var_1_13) : (var_1_18))))) ? (((var_1_10 + var_1_9) <= var_1_11) ? (var_1_2 ? (var_1_17 == ((signed short int) var_1_19)) : 1) : (var_1_17 == ((signed short int) (var_1_20 - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))))))) : (var_1_17 == ((signed short int) var_1_21)))) && (((var_1_11 + var_1_20) <= ((var_1_21 * last_1_var_1_22) * var_1_19)) ? (var_1_22 == ((unsigned short int) (((((var_1_9 - var_1_11)) > (var_1_10)) ? ((var_1_9 - var_1_11)) : (var_1_10))))) : 1)) && ((var_1_9 < var_1_11) ? ((var_1_2 || var_1_25) ? (var_1_24 == ((unsigned short int) 128)) : 1) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=-32766, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=65534, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=-32766, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=65534, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L19] reach_error() VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=196608, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=-32766, var_1_19=-32767, var_1_1=2, var_1_20=-1, var_1_21=-32766, var_1_22=65534, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 24, 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, 104 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, 104 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 616 NumberOfCodeBlocks, 616 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 306 ConstructedInterpolants, 0 QuantifiedInterpolants, 306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2162/2208 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 23:42:45,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 23:42:47,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 23:42:47,862 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 23:42:47,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 23:42:47,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 23:42:47,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 23:42:47,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 23:42:47,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 23:42:47,895 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 23:42:47,895 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 23:42:47,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 23:42:47,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 23:42:47,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 23:42:47,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 23:42:47,896 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 23:42:47,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 23:42:47,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 23:42:47,897 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 23:42:47,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 23:42:47,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 23:42:47,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 23:42:47,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 23:42:47,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 23:42:47,897 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 23:42:47,897 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 23:42:47,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 23:42:47,897 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 23:42:47,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 23:42:47,898 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 23:42:47,898 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 23:42:47,898 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 23:42:47,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 23:42:47,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 23:42:47,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 23:42:47,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 23:42:47,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 23:42:47,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 23:42:47,899 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 23:42:47,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 23:42:47,899 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 23:42:47,899 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 23:42:47,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 23:42:47,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 23:42:47,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 23:42:47,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 23:42:47,900 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 [2025-03-03 23:42:48,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 23:42:48,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 23:42:48,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 23:42:48,146 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 23:42:48,146 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 23:42:48,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2025-03-03 23:42:49,345 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4ea8686/0fecd9395cdf4bfcb5bd49e505adef67/FLAG4a5a182e5 [2025-03-03 23:42:49,561 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 23:42:49,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2025-03-03 23:42:49,570 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4ea8686/0fecd9395cdf4bfcb5bd49e505adef67/FLAG4a5a182e5 [2025-03-03 23:42:49,585 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4ea8686/0fecd9395cdf4bfcb5bd49e505adef67 [2025-03-03 23:42:49,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 23:42:49,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 23:42:49,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 23:42:49,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 23:42:49,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 23:42:49,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d29e8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49, skipping insertion in model container [2025-03-03 23:42:49,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 23:42:49,698 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2025-03-03 23:42:49,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 23:42:49,760 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 23:42:49,767 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2025-03-03 23:42:49,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 23:42:49,804 INFO L204 MainTranslator]: Completed translation [2025-03-03 23:42:49,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49 WrapperNode [2025-03-03 23:42:49,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 23:42:49,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 23:42:49,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 23:42:49,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 23:42:49,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,842 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2025-03-03 23:42:49,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 23:42:49,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 23:42:49,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 23:42:49,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 23:42:49,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,851 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,866 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 23:42:49,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,881 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 23:42:49,894 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 23:42:49,894 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 23:42:49,894 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 23:42:49,895 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (1/1) ... [2025-03-03 23:42:49,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 23:42:49,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 23:42:49,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 23:42:49,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 23:42:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 23:42:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 23:42:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 23:42:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 23:42:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 23:42:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 23:42:50,006 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 23:42:50,007 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 23:42:58,210 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-03 23:42:58,210 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 23:42:58,221 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 23:42:58,222 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 23:42:58,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:42:58 BoogieIcfgContainer [2025-03-03 23:42:58,222 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 23:42:58,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 23:42:58,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 23:42:58,229 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 23:42:58,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 11:42:49" (1/3) ... [2025-03-03 23:42:58,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5960e565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:42:58, skipping insertion in model container [2025-03-03 23:42:58,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:42:49" (2/3) ... [2025-03-03 23:42:58,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5960e565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:42:58, skipping insertion in model container [2025-03-03 23:42:58,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:42:58" (3/3) ... [2025-03-03 23:42:58,231 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-36.i [2025-03-03 23:42:58,240 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 23:42:58,241 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-36.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 23:42:58,275 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 23:42:58,283 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;@49a67b08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 23:42:58,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 23:42:58,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-03 23:42:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-03 23:42:58,294 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 23:42:58,294 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 23:42:58,295 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 23:42:58,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 23:42:58,298 INFO L85 PathProgramCache]: Analyzing trace with hash -698711822, now seen corresponding path program 1 times [2025-03-03 23:42:58,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 23:42:58,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202358616] [2025-03-03 23:42:58,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 23:42:58,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 23:42:58,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 23:42:58,309 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 23:42:58,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-03 23:42:58,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-03 23:42:59,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-03 23:42:59,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:42:59,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 23:42:59,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 23:42:59,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 23:42:59,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2025-03-03 23:42:59,365 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 23:42:59,366 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 23:42:59,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202358616] [2025-03-03 23:42:59,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202358616] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 23:42:59,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 23:42:59,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 23:42:59,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379561236] [2025-03-03 23:42:59,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 23:42:59,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 23:42:59,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 23:42:59,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 23:42:59,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 23:42:59,387 INFO L87 Difference]: Start difference. First operand has 72 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-03 23:42:59,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 23:42:59,411 INFO L93 Difference]: Finished difference Result 138 states and 237 transitions. [2025-03-03 23:42:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 23:42:59,413 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 154 [2025-03-03 23:42:59,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 23:42:59,420 INFO L225 Difference]: With dead ends: 138 [2025-03-03 23:42:59,420 INFO L226 Difference]: Without dead ends: 69 [2025-03-03 23:42:59,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 23:42:59,425 INFO L435 NwaCegarLoop]: 104 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, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 23:42:59,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 23:42:59,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-03-03 23:42:59,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2025-03-03 23:42:59,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-03 23:42:59,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2025-03-03 23:42:59,462 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 154 [2025-03-03 23:42:59,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 23:42:59,463 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2025-03-03 23:42:59,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-03 23:42:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2025-03-03 23:42:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-03 23:42:59,468 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 23:42:59,468 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 23:42:59,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-03 23:42:59,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 23:42:59,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 23:42:59,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 23:42:59,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1817377838, now seen corresponding path program 1 times [2025-03-03 23:42:59,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 23:42:59,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859135896] [2025-03-03 23:42:59,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 23:42:59,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 23:42:59,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 23:42:59,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 23:42:59,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-03 23:42:59,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-03 23:43:00,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-03 23:43:00,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:43:00,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 23:43:00,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-03 23:43:00,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 23:44:20,983 WARN L286 SmtUtils]: Spent 7.13s on a formula simplification. DAG size of input: 76 DAG size of output: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)