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/ArraysOfVariableLength_true-valid-memsafety.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:25,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:25,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:25,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:17:25,699 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 12:17:25,720 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:25,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:25,724 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:25,725 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:25,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:25,725 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:25,725 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:25,726 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:25,726 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:25,726 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:25,726 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:25,726 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:25,726 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:25,727 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:25,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:25,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:25,731 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:25,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:25,731 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:25,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:25,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:25,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:25,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:25,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:25,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:25,733 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:25,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:25,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:25,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:25,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:25,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:25,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:25,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:25,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:25,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:25,737 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:25,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:25,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:25,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:25,738 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:25,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:25,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:25,800 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:25,801 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:25,801 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:25,802 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_11.bpl [2019-08-05 12:17:25,802 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_11.bpl' [2019-08-05 12:17:25,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:25,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:25,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:25,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:25,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:25,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:25" (1/1) ... [2019-08-05 12:17:25,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:25" (1/1) ... [2019-08-05 12:17:25,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:25,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:25,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:25,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:25,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:25" (1/1) ... [2019-08-05 12:17:25,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:25" (1/1) ... [2019-08-05 12:17:25,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:25" (1/1) ... [2019-08-05 12:17:25,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:25" (1/1) ... [2019-08-05 12:17:25,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:25" (1/1) ... [2019-08-05 12:17:25,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:25" (1/1) ... [2019-08-05 12:17:25,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:25" (1/1) ... [2019-08-05 12:17:25,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:25,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:25,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:25,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:25,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:25" (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 12:17:25,980 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:17:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:17:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:17:26,244 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:17:26,245 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:17:26,246 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:26 BoogieIcfgContainer [2019-08-05 12:17:26,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:26,247 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:26,247 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:26,248 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:26,249 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArraysOfVariableLength_true-valid-memsafety.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:26" (1/1) ... [2019-08-05 12:17:26,280 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:26,665 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:26,694 INFO L272 AbstractInterpreter]: Visited 8 different actions 25 times. Merged at 6 different actions 12 times. Never widened. Performed 494 root evaluator evaluations with a maximum evaluation depth of 4. Performed 494 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 4 fixpoints after 3 different actions. Largest state had 0 variables. [2019-08-05 12:17:26,694 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:26,698 INFO L168 Benchmark]: Toolchain (without parser) took 853.48 ms. Allocated memory is still 136.8 MB. Free memory was 110.5 MB in the beginning and 83.0 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:26,699 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 112.0 MB in the beginning and 111.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:17:26,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.57 ms. Allocated memory is still 136.8 MB. Free memory was 110.3 MB in the beginning and 108.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:26,702 INFO L168 Benchmark]: Boogie Preprocessor took 27.10 ms. Allocated memory is still 136.8 MB. Free memory was 108.7 MB in the beginning and 107.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:26,703 INFO L168 Benchmark]: RCFGBuilder took 338.72 ms. Allocated memory is still 136.8 MB. Free memory was 107.4 MB in the beginning and 95.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:26,704 INFO L168 Benchmark]: Abstract Interpretation took 447.48 ms. Allocated memory is still 136.8 MB. Free memory was 95.5 MB in the beginning and 83.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:26,709 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 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 112.0 MB in the beginning and 111.8 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 36.57 ms. Allocated memory is still 136.8 MB. Free memory was 110.3 MB in the beginning and 108.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.10 ms. Allocated memory is still 136.8 MB. Free memory was 108.7 MB in the beginning and 107.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 338.72 ms. Allocated memory is still 136.8 MB. Free memory was 107.4 MB in the beginning and 95.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 447.48 ms. Allocated memory is still 136.8 MB. Free memory was 95.5 MB in the beginning and 83.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 129]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L52] #NULL.offset, #NULL.base := 0, 0; [L53] #valid := #valid[0 := 0]; [L54] main_old_#valid := #valid; [L55] havoc main_#res; [L56] havoc main_#t~post2, main_~#b~0.base, main_~i~1, main_~#b~0.offset, main_#t~mem5, main_#t~ret3, main_#t~post4; [L57] havoc main_~i~1; [L58] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L59] #Ultimate.alloc_~size := 400; [L60] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L61] havoc #valid, #length; [L62] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L63] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1] == #valid; [L64] assume #Ultimate.alloc_#res.offset == 0; [L65] assume !(0 == #Ultimate.alloc_#res.base); [L66] assume #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size] == #length; [L67] main_~#b~0.base, main_~#b~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L68] main_~i~1 := 0; [L71] assume main_~i~1 < 100; [L72] foo_#in~b.offset, foo_#in~size, foo_#in~b.base, foo_#in~n := main_~#b~0.offset, main_~i~1, main_~#b~0.base, main_~i~1; [L73] havoc foo_#res; [L74] havoc foo_~n, foo_#t~post0, foo_#t~mem1, foo_~i~0, foo_~b.offset, foo_~b.base, foo_~size, foo_~a~0; [L75] foo_~n := foo_#in~n; [L76] foo_~b.offset, foo_~b.base := foo_#in~b.offset, foo_#in~b.base; [L77] foo_~size := foo_#in~size; [L78] havoc foo_~a~0; [L79] havoc foo_~i~0; [L80] foo_~i~0 := 0; [L87] assume !(foo_~i~0 < foo_~size); [L88] foo_#res := foo_~i~0; [L89] main_#t~ret3 := foo_#res; [L90] assume 0 <= main_#t~ret3 + 2147483648 && main_#t~ret3 <= 2147483647; [L91] write~int_old_#memory_int := #memory_int; [L92] write~int_#sizeOfWrittenType, write~int_#ptr.base, write~int_#value, write~int_#ptr.offset := 4, main_~#b~0.base, main_#t~ret3, main_~#b~0.offset + 4 * main_~i~1; [L93] assume #valid[write~int_#ptr.base] == 1; [L94] assume 0 <= write~int_#ptr.offset && write~int_#sizeOfWrittenType + write~int_#ptr.offset <= #length[write~int_#ptr.base]; [L95] assume 1 == #valid[write~int_#ptr.base]; [L96] assume write~int_#sizeOfWrittenType + write~int_#ptr.offset <= #length[write~int_#ptr.base] && 0 <= write~int_#ptr.offset; [L97] havoc #memory_int; [L98] assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]]; [L99] havoc main_#t~ret3; [L100] main_#t~post2 := main_~i~1; [L101] main_~i~1 := main_#t~post2 + 1; [L102] havoc main_#t~post2; [L71] assume main_~i~1 < 100; [L72] foo_#in~b.offset, foo_#in~size, foo_#in~b.base, foo_#in~n := main_~#b~0.offset, main_~i~1, main_~#b~0.base, main_~i~1; [L73] havoc foo_#res; [L74] havoc foo_~n, foo_#t~post0, foo_#t~mem1, foo_~i~0, foo_~b.offset, foo_~b.base, foo_~size, foo_~a~0; [L75] foo_~n := foo_#in~n; [L76] foo_~b.offset, foo_~b.base := foo_#in~b.offset, foo_#in~b.base; [L77] foo_~size := foo_#in~size; [L78] havoc foo_~a~0; [L79] havoc foo_~i~0; [L80] foo_~i~0 := 0; [L105] assume foo_~i~0 < foo_~size; [L110] assume !(0 <= foo_~i~0) || !(foo_~i~0 < foo_~n); [L129] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...