java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e4dfe74 [2018-12-18 18:21:14,248 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-18 18:21:14,251 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-18 18:21:14,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-18 18:21:14,263 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-18 18:21:14,265 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-18 18:21:14,266 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-18 18:21:14,268 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-18 18:21:14,270 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-18 18:21:14,271 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-18 18:21:14,272 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-18 18:21:14,272 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-18 18:21:14,273 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-18 18:21:14,274 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-18 18:21:14,276 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-18 18:21:14,276 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-18 18:21:14,277 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-18 18:21:14,280 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-18 18:21:14,282 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-18 18:21:14,284 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-18 18:21:14,285 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-18 18:21:14,287 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-18 18:21:14,290 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-18 18:21:14,290 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-18 18:21:14,290 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-18 18:21:14,291 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-18 18:21:14,292 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-18 18:21:14,293 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-18 18:21:14,294 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-18 18:21:14,295 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-18 18:21:14,296 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-18 18:21:14,296 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-12-18 18:21:14,300 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-18 18:21:14,315 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-18 18:21:14,315 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-18 18:21:14,316 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-18 18:21:14,316 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-18 18:21:14,317 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-18 18:21:14,317 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-18 18:21:14,317 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-18 18:21:14,317 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-18 18:21:14,318 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-18 18:21:14,318 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-18 18:21:14,318 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-18 18:21:14,318 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-18 18:21:14,318 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-18 18:21:14,319 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-18 18:21:14,320 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-18 18:21:14,320 INFO L133 SettingsManager]: * Use SBE=true [2018-12-18 18:21:14,320 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-18 18:21:14,320 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-18 18:21:14,320 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-18 18:21:14,321 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-18 18:21:14,321 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-18 18:21:14,321 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-18 18:21:14,321 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-18 18:21:14,321 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-18 18:21:14,322 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-18 18:21:14,322 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-18 18:21:14,322 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-18 18:21:14,322 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-18 18:21:14,322 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-18 18:21:14,323 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-18 18:21:14,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-18 18:21:14,323 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-18 18:21:14,323 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-18 18:21:14,323 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-18 18:21:14,324 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-18 18:21:14,324 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-18 18:21:14,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-18 18:21:14,324 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-18 18:21:14,324 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-18 18:21:14,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-18 18:21:14,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-18 18:21:14,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-18 18:21:14,400 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-18 18:21:14,400 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-18 18:21:14,401 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl [2018-12-18 18:21:14,403 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl' [2018-12-18 18:21:14,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-18 18:21:14,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-18 18:21:14,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-18 18:21:14,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-18 18:21:14,468 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-18 18:21:14,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:14" (1/1) ... [2018-12-18 18:21:14,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:14" (1/1) ... [2018-12-18 18:21:14,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-18 18:21:14,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-18 18:21:14,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-18 18:21:14,511 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-18 18:21:14,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:14" (1/1) ... [2018-12-18 18:21:14,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:14" (1/1) ... [2018-12-18 18:21:14,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:14" (1/1) ... [2018-12-18 18:21:14,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:14" (1/1) ... [2018-12-18 18:21:14,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:14" (1/1) ... [2018-12-18 18:21:14,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:14" (1/1) ... [2018-12-18 18:21:14,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:14" (1/1) ... [2018-12-18 18:21:14,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-18 18:21:14,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-18 18:21:14,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-18 18:21:14,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-18 18:21:14,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-18 18:21:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-18 18:21:14,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-18 18:21:15,088 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-18 18:21:15,088 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-18 18:21:15,088 INFO L202 PluginConnector]: Adding new model veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:21:15 BoogieIcfgContainer [2018-12-18 18:21:15,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-18 18:21:15,091 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-18 18:21:15,091 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-18 18:21:15,091 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-18 18:21:15,093 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:21:15" (1/1) ... [2018-12-18 18:21:15,132 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-18 18:21:15,754 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-18 18:21:15,778 INFO L272 AbstractInterpreter]: Visited 6 different actions 21 times. Merged at 4 different actions 12 times. Widened at 1 different actions 1 times. Performed 268 root evaluator evaluations with a maximum evaluation depth of 5. Performed 268 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-18 18:21:15,780 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-18 18:21:15,782 INFO L168 Benchmark]: Toolchain (without parser) took 1315.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-12-18 18:21:15,784 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-18 18:21:15,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.69 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-18 18:21:15,786 INFO L168 Benchmark]: Boogie Preprocessor took 27.43 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-18 18:21:15,787 INFO L168 Benchmark]: RCFGBuilder took 550.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-18 18:21:15,788 INFO L168 Benchmark]: Abstract Interpretation took 689.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-18 18:21:15,792 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.69 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.43 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 550.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 689.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 82]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L33] #NULL.base, #NULL.offset := 0, 0; [L34] #valid := #valid[0 := 0]; [L35] ~tmp.base, ~tmp.offset := 0, 0; [L36] havoc main_#res; [L37] havoc main_#t~ret2, main_~#pathbuf~6.base, main_~#pathbuf~6.offset, main_~bound~6.base, main_~bound~6.offset; [L38] #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid; [L39] #Ultimate.alloc_~size := 8; [L40] havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L41] havoc #valid, #length; [L42] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0; [L43] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L44] assume #Ultimate.alloc_#res.offset == 0; [L45] assume #Ultimate.alloc_#res.base != 0; [L46] assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size]; [L47] main_~#pathbuf~6.base, main_~#pathbuf~6.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L48] main_~bound~6.base, main_~bound~6.offset := main_~#pathbuf~6.base, main_~#pathbuf~6.offset + 8 - 4; [L49] ~tmp.base, ~tmp.offset := main_~#pathbuf~6.base, main_~#pathbuf~6.offset + 8 - 4; [L50] glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset, glob2_#in~pathlim.base, glob2_#in~pathlim.offset := main_~#pathbuf~6.base, main_~#pathbuf~6.offset, main_~bound~6.base, main_~bound~6.offset; [L51] havoc glob2_#res; [L52] havoc glob2_#t~post0.base, glob2_#t~post0.offset, glob2_~pathbuf.base, glob2_~pathbuf.offset, glob2_~pathlim.base, glob2_~pathlim.offset, glob2_~p~4.base, glob2_~p~4.offset; [L53] glob2_~pathbuf.base, glob2_~pathbuf.offset := glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset; [L54] glob2_~pathlim.base, glob2_~pathlim.offset := glob2_#in~pathlim.base, glob2_#in~pathlim.offset; [L55] havoc glob2_~p~4.base, glob2_~p~4.offset; [L56] glob2_~p~4.base, glob2_~p~4.offset := glob2_~pathbuf.base, glob2_~pathbuf.offset; [L60] assume !!(glob2_~p~4.base == glob2_~pathlim.base && glob2_~p~4.offset <= glob2_~pathlim.offset); [L61] __VERIFIER_assert_#in~cond := (if glob2_~p~4.base == ~tmp.base && glob2_~p~4.offset <= ~tmp.offset then 1 else 0); [L62] havoc __VERIFIER_assert_~cond; [L63] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L78] assume __VERIFIER_assert_~cond == 0; [L79] assume !false; [L82] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...