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_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:15,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:15,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:15,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:17:15,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:17:15,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:17:15,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:17:15,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:17:15,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:17:15,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:17:15,921 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:17:15,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-08-05 12:17:15,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:17:15,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:17:15,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:17:15,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:17:15,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:17:15,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:17:15,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:17:15,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:17:15,958 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 12:17:15,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:15,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:15,971 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:15,971 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:15,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:15,972 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:15,972 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:15,972 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:15,972 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:15,973 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:15,973 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:15,973 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:15,973 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:15,973 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:15,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:15,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:15,974 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:15,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:15,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:15,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:15,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:15,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:15,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:15,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:15,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:15,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:15,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:15,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:15,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:15,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:15,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:15,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:15,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:15,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:15,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:15,979 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:15,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:15,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:15,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:15,979 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:16,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:16,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:16,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:16,033 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:16,033 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:16,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_10.bpl [2019-08-05 12:17:16,034 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_10.bpl' [2019-08-05 12:17:16,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:16,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:16,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:16,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:16,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:16,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:16" (1/1) ... [2019-08-05 12:17:16,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:16" (1/1) ... [2019-08-05 12:17:16,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:16,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:16,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:16,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:16,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:16" (1/1) ... [2019-08-05 12:17:16,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:16" (1/1) ... [2019-08-05 12:17:16,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:16" (1/1) ... [2019-08-05 12:17:16,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:16" (1/1) ... [2019-08-05 12:17:16,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:16" (1/1) ... [2019-08-05 12:17:16,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:16" (1/1) ... [2019-08-05 12:17:16,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:16" (1/1) ... [2019-08-05 12:17:16,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:16,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:16,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:16,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:16,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:16" (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 12:17:16,218 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:17:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:17:16,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:17:16,467 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:17:16,467 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:17:16,468 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:16 BoogieIcfgContainer [2019-08-05 12:17:16,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:16,469 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:16,470 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:16,470 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:16,471 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArraysOfVariableLength_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:16" (1/1) ... [2019-08-05 12:17:16,500 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:16,635 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:16,659 INFO L272 AbstractInterpreter]: Visited 6 different actions 7 times. Merged at 1 different actions 1 times. Never widened. Performed 137 root evaluator evaluations with a maximum evaluation depth of 3. Performed 137 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-05 12:17:16,659 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:16,662 INFO L168 Benchmark]: Toolchain (without parser) took 590.19 ms. Allocated memory is still 142.6 MB. Free memory was 108.4 MB in the beginning and 85.6 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:16,665 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 142.6 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:17:16,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.09 ms. Allocated memory is still 142.6 MB. Free memory was 108.2 MB in the beginning and 106.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:16,671 INFO L168 Benchmark]: Boogie Preprocessor took 29.81 ms. Allocated memory is still 142.6 MB. Free memory was 106.6 MB in the beginning and 105.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:16,672 INFO L168 Benchmark]: RCFGBuilder took 324.77 ms. Allocated memory is still 142.6 MB. Free memory was 105.3 MB in the beginning and 93.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:16,673 INFO L168 Benchmark]: Abstract Interpretation took 189.97 ms. Allocated memory is still 142.6 MB. Free memory was 93.6 MB in the beginning and 85.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:16,682 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 0.14 ms. Allocated memory is still 142.6 MB. Free memory was 109.8 MB in the beginning and 109.6 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 36.09 ms. Allocated memory is still 142.6 MB. Free memory was 108.2 MB in the beginning and 106.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.81 ms. Allocated memory is still 142.6 MB. Free memory was 106.6 MB in the beginning and 105.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.77 ms. Allocated memory is still 142.6 MB. Free memory was 105.3 MB in the beginning and 93.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 189.97 ms. Allocated memory is still 142.6 MB. Free memory was 93.6 MB in the beginning and 85.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 102]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L48] #NULL.offset, #NULL.base := 0, 0; [L49] #valid := #valid[0 := 0]; [L50] main_old_#valid := #valid; [L51] havoc main_#res; [L52] havoc main_#t~post2, main_~#b~0.base, main_~i~1, main_~#b~0.offset, main_#t~mem5, main_#t~ret3, main_#t~post4; [L53] havoc main_~i~1; [L54] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L55] #Ultimate.alloc_~size := 400; [L56] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L57] havoc #valid, #length; [L58] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L59] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1] == #valid; [L60] assume #Ultimate.alloc_#res.offset == 0; [L61] assume !(0 == #Ultimate.alloc_#res.base); [L62] assume #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size] == #length; [L63] main_~#b~0.base, main_~#b~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L64] main_~i~1 := 0; [L67] assume main_~i~1 < 100; [L68] 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; [L69] havoc foo_#res; [L70] havoc foo_~n, foo_#t~post0, foo_#t~mem1, foo_~i~0, foo_~b.offset, foo_~b.base, foo_~size, foo_~a~0; [L71] foo_~n := foo_#in~n; [L72] foo_~b.offset, foo_~b.base := foo_#in~b.offset, foo_#in~b.base; [L73] foo_~size := foo_#in~size; [L74] havoc foo_~a~0; [L75] havoc foo_~i~0; [L76] foo_~i~0 := 0; [L77] assume !(foo_~i~0 < foo_~size); [L78] foo_#res := foo_~i~0; [L79] main_#t~ret3 := foo_#res; [L80] assume 0 <= main_#t~ret3 + 2147483648 && main_#t~ret3 <= 2147483647; [L81] write~int_old_#memory_int := #memory_int; [L82] 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; [L83] assume #valid[write~int_#ptr.base] == 1; [L88] assume !(0 <= write~int_#ptr.offset) || !(write~int_#sizeOfWrittenType + write~int_#ptr.offset <= #length[write~int_#ptr.base]); [L102] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...