./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-39.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-39.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 6fac8106b9bea58167ed3afb21e4ed87b5277b326a489511a90abc44c03d40c5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 22:55:17,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 22:55:17,471 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 22:55:17,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 22:55:17,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 22:55:17,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 22:55:17,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 22:55:17,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 22:55:17,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 22:55:17,503 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 22:55:17,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 22:55:17,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 22:55:17,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 22:55:17,504 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 22:55:17,505 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:55:17,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 22:55:17,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 22:55:17,505 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 -> 6fac8106b9bea58167ed3afb21e4ed87b5277b326a489511a90abc44c03d40c5 [2025-03-16 22:55:17,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 22:55:17,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 22:55:17,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 22:55:17,827 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 22:55:17,828 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 22:55:17,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-39.i [2025-03-16 22:55:18,967 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e624740cc/0ed2deaa8f7749a8baefb21afb93ea96/FLAGd1b676825 [2025-03-16 22:55:19,216 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 22:55:19,216 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-39.i [2025-03-16 22:55:19,252 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e624740cc/0ed2deaa8f7749a8baefb21afb93ea96/FLAGd1b676825 [2025-03-16 22:55:19,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e624740cc/0ed2deaa8f7749a8baefb21afb93ea96 [2025-03-16 22:55:19,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 22:55:19,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 22:55:19,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 22:55:19,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 22:55:19,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 22:55:19,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f8fcee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19, skipping insertion in model container [2025-03-16 22:55:19,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 22:55:19,657 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-39.i[919,932] [2025-03-16 22:55:19,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:55:19,724 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 22:55:19,733 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_codestructure_dependencies_file-39.i[919,932] [2025-03-16 22:55:19,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:55:19,772 INFO L204 MainTranslator]: Completed translation [2025-03-16 22:55:19,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19 WrapperNode [2025-03-16 22:55:19,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 22:55:19,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 22:55:19,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 22:55:19,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 22:55:19,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,808 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2025-03-16 22:55:19,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 22:55:19,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 22:55:19,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 22:55:19,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 22:55:19,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,830 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]. [2025-03-16 22:55:19,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,836 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 22:55:19,840 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 22:55:19,840 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 22:55:19,840 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 22:55:19,841 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (1/1) ... [2025-03-16 22:55:19,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:55:19,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:55:19,871 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) [2025-03-16 22:55:19,876 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 [2025-03-16 22:55:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 22:55:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-16 22:55:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-16 22:55:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 22:55:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 22:55:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 22:55:19,937 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 22:55:19,938 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 22:55:20,192 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L121: havoc property_#t~bitwise15#1; [2025-03-16 22:55:20,211 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-03-16 22:55:20,211 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 22:55:20,223 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 22:55:20,225 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 22:55:20,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:55:20 BoogieIcfgContainer [2025-03-16 22:55:20,225 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 22:55:20,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 22:55:20,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 22:55:20,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 22:55:20,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:55:19" (1/3) ... [2025-03-16 22:55:20,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c81377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:55:20, skipping insertion in model container [2025-03-16 22:55:20,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:19" (2/3) ... [2025-03-16 22:55:20,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c81377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:55:20, skipping insertion in model container [2025-03-16 22:55:20,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:55:20" (3/3) ... [2025-03-16 22:55:20,233 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-39.i [2025-03-16 22:55:20,244 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 22:55:20,245 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-39.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 22:55:20,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 22:55:20,295 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;@1b5d83bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 22:55:20,295 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 22:55:20,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 42 states have internal predecessors, (60), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-16 22:55:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-16 22:55:20,305 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:55:20,306 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:55:20,306 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:55:20,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:55:20,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1398944448, now seen corresponding path program 1 times [2025-03-16 22:55:20,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:55:20,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651443654] [2025-03-16 22:55:20,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:55:20,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:55:20,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-16 22:55:20,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-16 22:55:20,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:55:20,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:55:20,519 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-03-16 22:55:20,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:55:20,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651443654] [2025-03-16 22:55:20,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651443654] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-16 22:55:20,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602384563] [2025-03-16 22:55:20,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:55:20,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 22:55:20,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:55:20,526 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) [2025-03-16 22:55:20,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 22:55:20,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-16 22:55:20,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-16 22:55:20,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:55:20,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:55:20,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 22:55:20,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 22:55:20,682 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-03-16 22:55:20,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 22:55:20,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602384563] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:55:20,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-16 22:55:20,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-16 22:55:20,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843883504] [2025-03-16 22:55:20,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:55:20,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 22:55:20,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:55:20,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 22:55:20,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 22:55:20,705 INFO L87 Difference]: Start difference. First operand has 60 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 42 states have internal predecessors, (60), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-16 22:55:20,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:55:20,728 INFO L93 Difference]: Finished difference Result 117 states and 198 transitions. [2025-03-16 22:55:20,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 22:55:20,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2025-03-16 22:55:20,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:55:20,733 INFO L225 Difference]: With dead ends: 117 [2025-03-16 22:55:20,733 INFO L226 Difference]: Without dead ends: 58 [2025-03-16 22:55:20,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 22:55:20,737 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 22:55:20,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 22:55:20,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-03-16 22:55:20,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2025-03-16 22:55:20,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 40 states have (on average 1.4) internal successors, (56), 40 states have internal predecessors, (56), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-16 22:55:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 88 transitions. [2025-03-16 22:55:20,768 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 88 transitions. Word has length 106 [2025-03-16 22:55:20,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:55:20,768 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 88 transitions. [2025-03-16 22:55:20,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-16 22:55:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 88 transitions. [2025-03-16 22:55:20,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-16 22:55:20,772 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:55:20,772 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:55:20,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-16 22:55:20,972 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 [2025-03-16 22:55:20,973 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:55:20,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:55:20,973 INFO L85 PathProgramCache]: Analyzing trace with hash -318681404, now seen corresponding path program 1 times [2025-03-16 22:55:20,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:55:20,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144928957] [2025-03-16 22:55:20,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:55:20,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:55:20,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-16 22:55:21,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-16 22:55:21,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:55:21,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 22:55:21,319 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 22:55:21,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-16 22:55:21,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-16 22:55:21,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:55:21,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 22:55:21,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 22:55:21,569 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 22:55:21,571 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 22:55:21,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 22:55:21,575 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-16 22:55:21,645 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 22:55:21,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:55:21 BoogieIcfgContainer [2025-03-16 22:55:21,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 22:55:21,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 22:55:21,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 22:55:21,652 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 22:55:21,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:55:20" (3/4) ... [2025-03-16 22:55:21,654 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 22:55:21,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 22:55:21,655 INFO L158 Benchmark]: Toolchain (without parser) took 2119.56ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 88.1MB in the end (delta: 17.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2025-03-16 22:55:21,656 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:55:21,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.51ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 92.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 22:55:21,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.82ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:55:21,659 INFO L158 Benchmark]: Boogie Preprocessor took 30.70ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 87.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:55:21,659 INFO L158 Benchmark]: IcfgBuilder took 385.41ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 66.2MB in the end (delta: 20.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-16 22:55:21,660 INFO L158 Benchmark]: TraceAbstraction took 1424.20ms. Allocated memory is still 142.6MB. Free memory was 65.2MB in the beginning and 88.1MB in the end (delta: -23.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2025-03-16 22:55:21,660 INFO L158 Benchmark]: Witness Printer took 2.53ms. Allocated memory is still 142.6MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:55:21,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.51ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 92.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.82ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.70ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 87.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 385.41ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 66.2MB in the end (delta: 20.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1424.20ms. Allocated memory is still 142.6MB. Free memory was 65.2MB in the beginning and 88.1MB in the end (delta: -23.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Witness Printer took 2.53ms. Allocated memory is still 142.6MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someBinaryArithmeticFLOAToperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] unsigned char var_1_6 = 0; [L24] signed short int var_1_7 = 8; [L25] signed short int var_1_8 = 4; [L26] unsigned long int var_1_9 = 256; [L27] unsigned long int var_1_10 = 10; [L28] unsigned long int var_1_11 = 3084274888; [L29] unsigned long int var_1_13 = 50; [L30] signed long int var_1_14 = -10; [L31] unsigned char var_1_16 = 0; [L32] float var_1_19 = 4.5; [L33] float var_1_20 = 15.375; [L34] float var_1_21 = 32.725; [L35] float var_1_22 = 63.5; [L36] float var_1_23 = 16.375; [L37] signed char var_1_24 = -32; [L38] signed char var_1_25 = 0; [L39] unsigned short int var_1_26 = 64; [L40] unsigned long int last_1_var_1_9 = 256; [L41] unsigned long int last_1_var_1_10 = 10; [L42] signed long int last_1_var_1_14 = -10; [L43] signed char last_1_var_1_24 = -32; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L115] last_1_var_1_9 = var_1_9 [L116] last_1_var_1_10 = var_1_10 [L117] last_1_var_1_14 = var_1_14 [L118] last_1_var_1_24 = var_1_24 [L128] RET updateLastVariables() [L129] CALL updateVariables() [L87] var_1_6 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_7=8, var_1_8=4, var_1_9=256] [L88] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_7=8, var_1_8=4, var_1_9=256] [L89] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L89] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L90] var_1_7 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L91] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L92] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L92] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L93] var_1_8 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L94] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L95] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L95] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L96] var_1_11 = __VERIFIER_nondet_ulong() [L97] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L97] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L98] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L98] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L99] var_1_16 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L100] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L101] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L101] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L102] var_1_20 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L103] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L104] var_1_21 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L105] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L106] var_1_22 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L107] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L108] var_1_23 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L109] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L110] var_1_25 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_25 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L111] RET assume_abort_if_not(var_1_25 >= -127) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L112] CALL assume_abort_if_not(var_1_25 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L112] RET assume_abort_if_not(var_1_25 <= 126) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L129] RET updateVariables() [L130] CALL step() [L47] EXPR (last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L47] COND TRUE ((last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10) < (last_1_var_1_24 | -4) [L48] var_1_1 = (var_1_7 - var_1_8) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=255, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L52] var_1_24 = var_1_25 [L53] var_1_26 = var_1_8 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=255, var_1_24=126, var_1_25=126, var_1_26=4, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L54] COND FALSE !(var_1_26 >= var_1_7) [L63] var_1_14 = var_1_24 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=4294967294, var_1_13=50, var_1_14=126, var_1_16=1, var_1_19=9/2, var_1_1=255, var_1_24=126, var_1_25=126, var_1_26=4, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L65] var_1_10 = ((((((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) < (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))) ? (((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) : (((((0u) > (var_1_26)) ? (0u) : (var_1_26)))))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=4, var_1_11=4294967294, var_1_13=50, var_1_14=126, var_1_16=1, var_1_19=9/2, var_1_1=255, var_1_24=126, var_1_25=126, var_1_26=4, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L66] COND FALSE !(var_1_26 < (var_1_8 / (1u + 16u))) [L73] var_1_13 = var_1_8 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=4, var_1_11=4294967294, var_1_13=4, var_1_14=126, var_1_16=1, var_1_19=9/2, var_1_1=255, var_1_24=126, var_1_25=126, var_1_26=4, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L75] COND TRUE var_1_8 <= var_1_13 [L76] var_1_19 = (((((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) > (var_1_23)) ? ((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) : (var_1_23))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=4, var_1_11=4294967294, var_1_13=4, var_1_14=126, var_1_16=1, var_1_19=4294967299, var_1_1=255, var_1_23=4294967299, var_1_24=126, var_1_25=126, var_1_26=4, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L80] COND FALSE !(var_1_10 >= ((((var_1_1) < (last_1_var_1_9)) ? (var_1_1) : (last_1_var_1_9)))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=4, var_1_11=4294967294, var_1_13=4, var_1_14=126, var_1_16=1, var_1_19=4294967299, var_1_1=255, var_1_23=4294967299, var_1_24=126, var_1_25=126, var_1_26=4, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR (last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=4, var_1_11=4294967294, var_1_13=4, var_1_14=126, var_1_16=1, var_1_19=4294967299, var_1_1=255, var_1_23=4294967299, var_1_24=126, var_1_25=126, var_1_26=4, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L121-L122] return ((((((((((last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10) < (last_1_var_1_24 | -4)) ? (var_1_1 == ((signed short int) (var_1_7 - var_1_8))) : (var_1_1 == ((signed short int) (last_1_var_1_10 + -16)))) && ((var_1_10 >= ((((var_1_1) < (last_1_var_1_9)) ? (var_1_1) : (last_1_var_1_9)))) ? (var_1_6 ? (var_1_9 == ((unsigned long int) var_1_8)) : 1) : 1)) && (var_1_10 == ((unsigned long int) ((((((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) < (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))) ? (((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) : (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))))))) && ((var_1_26 < (var_1_8 / (1u + 16u))) ? ((var_1_11 > (var_1_26 + 5u)) ? (var_1_13 == ((unsigned long int) ((((var_1_26) > (var_1_11)) ? (var_1_26) : (var_1_11))))) : (var_1_13 == ((unsigned long int) 5u))) : (var_1_13 == ((unsigned long int) var_1_8)))) && ((var_1_26 >= var_1_7) ? ((var_1_1 > var_1_11) ? ((var_1_6 && var_1_16) ? (var_1_14 == ((signed long int) (var_1_7 - (var_1_26 + var_1_8)))) : (var_1_14 == ((signed long int) var_1_26))) : 1) : (var_1_14 == ((signed long int) var_1_24)))) && ((var_1_8 <= var_1_13) ? (var_1_19 == ((float) (((((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) > (var_1_23)) ? ((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) : (var_1_23))))) : (var_1_19 == ((float) var_1_22)))) && (var_1_24 == ((signed char) var_1_25))) && (var_1_26 == ((unsigned short int) var_1_8)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=4, var_1_11=4294967294, var_1_13=4, var_1_14=126, var_1_16=1, var_1_19=4294967299, var_1_1=255, var_1_23=4294967299, var_1_24=126, var_1_25=126, var_1_26=4, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=4, var_1_11=4294967294, var_1_13=4, var_1_14=126, var_1_16=1, var_1_19=4294967299, var_1_1=255, var_1_23=4294967299, var_1_24=126, var_1_25=126, var_1_26=4, var_1_6=1, var_1_7=259, var_1_8=4, var_1_9=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 108 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 86 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 273 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 930/960 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 [2025-03-16 22:55:21,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/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_codestructure_dependencies_file-39.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 6fac8106b9bea58167ed3afb21e4ed87b5277b326a489511a90abc44c03d40c5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 22:55:23,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 22:55:23,646 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-16 22:55:23,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 22:55:23,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 22:55:23,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 22:55:23,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 22:55:23,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 22:55:23,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 22:55:23,678 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 22:55:23,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 22:55:23,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 22:55:23,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 22:55:23,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 22:55:23,679 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 22:55:23,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 22:55:23,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 22:55:23,680 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 22:55:23,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 22:55:23,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 22:55:23,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 22:55:23,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 22:55:23,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 22:55:23,680 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 22:55:23,680 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 22:55:23,680 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 22:55:23,681 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:55:23,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 22:55:23,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 22:55:23,681 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 -> 6fac8106b9bea58167ed3afb21e4ed87b5277b326a489511a90abc44c03d40c5 [2025-03-16 22:55:23,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 22:55:23,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 22:55:23,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 22:55:23,934 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 22:55:23,934 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 22:55:23,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-39.i [2025-03-16 22:55:25,121 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9acfdef26/58efda5999d94027aea035bf6d2d4ae4/FLAG89b3ac60e [2025-03-16 22:55:25,314 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 22:55:25,315 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-39.i [2025-03-16 22:55:25,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9acfdef26/58efda5999d94027aea035bf6d2d4ae4/FLAG89b3ac60e [2025-03-16 22:55:25,339 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9acfdef26/58efda5999d94027aea035bf6d2d4ae4 [2025-03-16 22:55:25,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 22:55:25,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 22:55:25,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 22:55:25,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 22:55:25,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 22:55:25,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5b4ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25, skipping insertion in model container [2025-03-16 22:55:25,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 22:55:25,466 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_codestructure_dependencies_file-39.i[919,932] [2025-03-16 22:55:25,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:55:25,538 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 22:55:25,546 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_codestructure_dependencies_file-39.i[919,932] [2025-03-16 22:55:25,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:55:25,592 INFO L204 MainTranslator]: Completed translation [2025-03-16 22:55:25,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25 WrapperNode [2025-03-16 22:55:25,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 22:55:25,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 22:55:25,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 22:55:25,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 22:55:25,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,630 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2025-03-16 22:55:25,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 22:55:25,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 22:55:25,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 22:55:25,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 22:55:25,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,642 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,656 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]. [2025-03-16 22:55:25,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,670 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 22:55:25,686 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 22:55:25,686 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 22:55:25,687 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 22:55:25,687 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (1/1) ... [2025-03-16 22:55:25,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:55:25,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:55:25,712 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) [2025-03-16 22:55:25,715 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 [2025-03-16 22:55:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 22:55:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 22:55:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-16 22:55:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-16 22:55:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 22:55:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 22:55:25,786 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 22:55:25,788 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 22:55:26,131 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-03-16 22:55:26,132 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 22:55:26,140 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 22:55:26,142 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 22:55:26,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:55:26 BoogieIcfgContainer [2025-03-16 22:55:26,142 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 22:55:26,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 22:55:26,145 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 22:55:26,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 22:55:26,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:55:25" (1/3) ... [2025-03-16 22:55:26,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557a159e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:55:26, skipping insertion in model container [2025-03-16 22:55:26,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:55:25" (2/3) ... [2025-03-16 22:55:26,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557a159e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:55:26, skipping insertion in model container [2025-03-16 22:55:26,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:55:26" (3/3) ... [2025-03-16 22:55:26,151 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-39.i [2025-03-16 22:55:26,161 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 22:55:26,162 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-39.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 22:55:26,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 22:55:26,211 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;@447946aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 22:55:26,212 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 22:55:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 32 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-16 22:55:26,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-16 22:55:26,225 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:55:26,226 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:55:26,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:55:26,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:55:26,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1974128572, now seen corresponding path program 1 times [2025-03-16 22:55:26,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 22:55:26,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194100189] [2025-03-16 22:55:26,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:55:26,238 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 [2025-03-16 22:55:26,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 22:55:26,240 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) [2025-03-16 22:55:26,241 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 [2025-03-16 22:55:26,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-16 22:55:26,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-16 22:55:26,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:55:26,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:55:26,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 22:55:26,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 22:55:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-03-16 22:55:26,474 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 22:55:26,474 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 22:55:26,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194100189] [2025-03-16 22:55:26,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194100189] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:55:26,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:55:26,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 22:55:26,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927841621] [2025-03-16 22:55:26,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:55:26,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 22:55:26,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 22:55:26,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 22:55:26,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 22:55:26,495 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 32 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-16 22:55:26,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:55:26,510 INFO L93 Difference]: Finished difference Result 97 states and 166 transitions. [2025-03-16 22:55:26,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 22:55:26,511 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2025-03-16 22:55:26,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:55:26,515 INFO L225 Difference]: With dead ends: 97 [2025-03-16 22:55:26,515 INFO L226 Difference]: Without dead ends: 48 [2025-03-16 22:55:26,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 22:55:26,519 INFO L435 NwaCegarLoop]: 72 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, 72 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 [2025-03-16 22:55:26,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 22:55:26,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2025-03-16 22:55:26,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2025-03-16 22:55:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-16 22:55:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 72 transitions. [2025-03-16 22:55:26,551 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 72 transitions. Word has length 102 [2025-03-16 22:55:26,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:55:26,552 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 72 transitions. [2025-03-16 22:55:26,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-16 22:55:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2025-03-16 22:55:26,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-16 22:55:26,557 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:55:26,557 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:55:26,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-16 22:55:26,758 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 [2025-03-16 22:55:26,758 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:55:26,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:55:26,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1466035256, now seen corresponding path program 1 times [2025-03-16 22:55:26,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 22:55:26,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307299431] [2025-03-16 22:55:26,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:55:26,759 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 [2025-03-16 22:55:26,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 22:55:26,761 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) [2025-03-16 22:55:26,763 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 [2025-03-16 22:55:26,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-16 22:55:26,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-16 22:55:26,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:55:26,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:55:26,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-16 22:55:26,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 22:55:55,565 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-16 22:56:18,880 WARN L286 SmtUtils]: Spent 19.68s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-03-16 22:56:40,333 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)