java -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/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:30,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:30,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:30,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:17:30,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:17:30,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:17:30,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:17:30,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:17:30,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:17:30,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:17:30,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:17:30,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:17:30,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:17:30,688 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:30,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:30,689 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:30,689 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:30,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:30,690 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:30,690 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:30,691 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:30,691 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:30,691 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:30,691 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:30,691 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:30,692 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:30,692 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:30,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:30,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:30,694 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:30,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:30,695 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:30,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:30,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:30,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:30,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:30,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:30,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:30,697 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:30,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:30,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:30,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:30,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:30,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:30,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:30,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:30,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:30,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:30,699 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:30,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:30,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:30,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:30,700 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:30,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:30,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:30,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:30,777 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:30,777 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:30,778 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_11.bpl [2019-08-05 12:17:30,778 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_11.bpl' [2019-08-05 12:17:30,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:30,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:30,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:30,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:30,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:30,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:30" (1/1) ... [2019-08-05 12:17:30,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:30" (1/1) ... [2019-08-05 12:17:30,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:30,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:30,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:30,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:30,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:30" (1/1) ... [2019-08-05 12:17:30,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:30" (1/1) ... [2019-08-05 12:17:30,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:30" (1/1) ... [2019-08-05 12:17:30,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:30" (1/1) ... [2019-08-05 12:17:30,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:30" (1/1) ... [2019-08-05 12:17:30,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:30" (1/1) ... [2019-08-05 12:17:30,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:30" (1/1) ... [2019-08-05 12:17:30,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:30,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:30,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:30,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:30,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:30" (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 [2019-08-05 12:17:30,997 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:17:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:17:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:17:31,250 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:17:31,250 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:17:31,252 INFO L202 PluginConnector]: Adding new model lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:31 BoogieIcfgContainer [2019-08-05 12:17:31,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:31,253 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:31,253 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:31,253 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:31,254 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:31" (1/1) ... [2019-08-05 12:17:31,286 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:31,556 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:31,578 INFO L272 AbstractInterpreter]: Visited 5 different actions 11 times. Merged at 1 different actions 3 times. Never widened. Performed 526 root evaluator evaluations with a maximum evaluation depth of 3. Performed 526 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:17:31,578 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:31,581 INFO L168 Benchmark]: Toolchain (without parser) took 734.24 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 76.3 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:31,582 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:17:31,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.84 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 104.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:31,585 INFO L168 Benchmark]: Boogie Preprocessor took 31.63 ms. Allocated memory is still 140.0 MB. Free memory was 104.4 MB in the beginning and 103.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:31,586 INFO L168 Benchmark]: RCFGBuilder took 326.49 ms. Allocated memory is still 140.0 MB. Free memory was 103.0 MB in the beginning and 90.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:31,587 INFO L168 Benchmark]: Abstract Interpretation took 325.29 ms. Allocated memory is still 140.0 MB. Free memory was 90.0 MB in the beginning and 76.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:31,592 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.84 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 104.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.63 ms. Allocated memory is still 140.0 MB. Free memory was 104.4 MB in the beginning and 103.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 326.49 ms. Allocated memory is still 140.0 MB. Free memory was 103.0 MB in the beginning and 90.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 325.29 ms. Allocated memory is still 140.0 MB. Free memory was 90.0 MB in the beginning and 76.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 145]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L66] #NULL.offset, #NULL.base := 0, 0; [L67] #valid := #valid[0 := 0]; [L68] main_old_#valid := #valid; [L69] havoc main_#res; [L70] havoc main_#t~ret17, main_~a~0.offset, main_#t~nondet16, main_~N~0, main_~a~0.base; [L71] havoc main_~a~0.offset, main_~a~0.base; [L72] assume 0 <= main_#t~nondet16 + 2147483648 && main_#t~nondet16 <= 2147483647; [L73] main_~N~0 := main_#t~nondet16; [L74] havoc main_#t~nondet16; [L75] lis_#in~a.offset, lis_#in~N, lis_#in~a.base := main_~a~0.offset, main_~N~0, main_~a~0.base; [L76] havoc lis_#res; [L77] havoc lis_~best~0.base, lis_#t~malloc2.offset, lis_#t~post5, lis_~max~0, lis_#t~post6, lis_~a.base, lis_~best~0.offset, lis_#t~mem10, lis_~N, lis_~prev~0.base, lis_~prev~0.offset, lis_#t~mem7, lis_#t~mem9, lis_#t~short11, lis_#t~post13, lis_~j~0, lis_#t~mem8, lis_~a.offset, lis_#t~mem12, lis_#t~malloc3.base, lis_#t~mem14, lis_~i~0, lis_#t~mem15, lis_#t~post4, lis_#t~malloc2.base, lis_#t~malloc3.offset; [L78] lis_~a.base, lis_~a.offset := lis_#in~a.base, lis_#in~a.offset; [L79] lis_~N := lis_#in~N; [L80] havoc lis_~best~0.base, lis_~best~0.offset; [L81] havoc lis_~prev~0.base, lis_~prev~0.offset; [L82] havoc lis_~i~0; [L83] havoc lis_~j~0; [L84] lis_~max~0 := 0; [L85] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L86] #Ultimate.alloc_~size := 4 * lis_~N; [L87] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L88] havoc #valid, #length; [L89] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L90] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1] == #valid; [L91] assume #Ultimate.alloc_#res.offset == 0; [L92] assume !(0 == #Ultimate.alloc_#res.base); [L93] assume #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size] == #length; [L94] lis_#t~malloc2.offset, lis_#t~malloc2.base := #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L95] lis_~best~0.base, lis_~best~0.offset := lis_#t~malloc2.base, lis_#t~malloc2.offset; [L96] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L97] #Ultimate.alloc_~size := 4 * lis_~N; [L98] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L99] havoc #valid, #length; [L100] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L101] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L102] assume #Ultimate.alloc_#res.offset == 0; [L103] assume !(0 == #Ultimate.alloc_#res.base); [L104] assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size]; [L105] lis_#t~malloc3.base, lis_#t~malloc3.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L106] lis_~prev~0.base, lis_~prev~0.offset := lis_#t~malloc3.base, lis_#t~malloc3.offset; [L107] lis_~i~0 := 0; [L114] assume !(lis_~i~0 < lis_~N); [L115] lis_~i~0 := 1; [L116] assume lis_~i~0 < lis_~N; [L117] lis_~j~0 := 0; [L118] assume lis_~j~0 < lis_~i~0; [L119] read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := lis_~a.base, lis_~a.offset + 4 * lis_~i~0, 4; [L120] assume !(1 == #valid[read~int_#ptr.base]); [L145] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...