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/array3_false-valid-deref.i_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:39,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:39,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:39,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:16:39,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:39,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:39,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:39,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:39,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:39,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:39,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:39,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:16:39,187 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 12:16:39,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:39,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:39,208 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:39,208 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:39,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:39,209 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:39,209 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:39,209 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:39,209 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:39,209 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:39,210 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:39,210 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:39,210 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:39,212 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:39,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:39,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:39,213 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:39,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:39,214 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:39,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:39,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:39,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:39,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:39,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:39,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:39,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:39,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:39,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:39,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:39,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:39,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:39,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:39,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:39,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:39,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:39,217 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:39,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:39,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:39,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:39,218 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:39,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:39,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:39,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:39,285 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:39,286 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:39,286 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/array3_false-valid-deref.i_6.bpl [2019-08-05 12:16:39,287 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/array3_false-valid-deref.i_6.bpl' [2019-08-05 12:16:39,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:39,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:39,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:39,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:39,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:39,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:39" (1/1) ... [2019-08-05 12:16:39,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:39" (1/1) ... [2019-08-05 12:16:39,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:39,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:39,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:39,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:39,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:39" (1/1) ... [2019-08-05 12:16:39,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:39" (1/1) ... [2019-08-05 12:16:39,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:39" (1/1) ... [2019-08-05 12:16:39,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:39" (1/1) ... [2019-08-05 12:16:39,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:39" (1/1) ... [2019-08-05 12:16:39,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:39" (1/1) ... [2019-08-05 12:16:39,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:39" (1/1) ... [2019-08-05 12:16:39,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:39,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:39,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:39,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:39,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:39" (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 12:16:39,490 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:16:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:16:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:16:39,659 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:16:39,660 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:39,661 INFO L202 PluginConnector]: Adding new model array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:39 BoogieIcfgContainer [2019-08-05 12:16:39,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:39,662 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:39,662 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:39,662 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:39,663 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "array3_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:39" (1/1) ... [2019-08-05 12:16:39,702 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:39,876 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:39,913 INFO L272 AbstractInterpreter]: Visited 6 different actions 21 times. Merged at 4 different actions 12 times. Widened at 1 different actions 1 times. Performed 238 root evaluator evaluations with a maximum evaluation depth of 3. Performed 238 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 12:16:39,913 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:39,917 INFO L168 Benchmark]: Toolchain (without parser) took 571.26 ms. Allocated memory is still 140.5 MB. Free memory was 104.8 MB in the beginning and 81.6 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:39,918 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:16:39,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.67 ms. Allocated memory is still 140.5 MB. Free memory was 104.8 MB in the beginning and 103.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:39,922 INFO L168 Benchmark]: Boogie Preprocessor took 32.05 ms. Allocated memory is still 140.5 MB. Free memory was 103.1 MB in the beginning and 101.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:39,923 INFO L168 Benchmark]: RCFGBuilder took 240.80 ms. Allocated memory is still 140.5 MB. Free memory was 101.8 MB in the beginning and 91.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:39,925 INFO L168 Benchmark]: Abstract Interpretation took 251.14 ms. Allocated memory is still 140.5 MB. Free memory was 91.2 MB in the beginning and 81.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:39,932 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 140.5 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.67 ms. Allocated memory is still 140.5 MB. Free memory was 104.8 MB in the beginning and 103.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.05 ms. Allocated memory is still 140.5 MB. Free memory was 103.1 MB in the beginning and 101.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 240.80 ms. Allocated memory is still 140.5 MB. Free memory was 101.8 MB in the beginning and 91.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 251.14 ms. Allocated memory is still 140.5 MB. Free memory was 91.2 MB in the beginning and 81.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 77]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L35] #NULL.offset, #NULL.base := 0, 0; [L36] #valid := #valid[0 := 0]; [L37] main_old_#valid := #valid; [L38] havoc main_#res; [L39] havoc main_#t~nondet1, main_~#A~0.base, main_#t~post2, main_~i~0, main_#t~post0, main_~#A~0.offset, main_#t~mem3; [L40] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L41] #Ultimate.alloc_~size := 4096; [L42] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L43] havoc #valid, #length; [L44] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L45] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1] == #valid; [L46] assume #Ultimate.alloc_#res.offset == 0; [L47] assume !(0 == #Ultimate.alloc_#res.base); [L48] assume #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size] == #length; [L49] main_~#A~0.base, main_~#A~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L50] havoc main_~i~0; [L51] main_~i~0 := 0; [L54] assume main_~i~0 < 1024; [L55] assume 0 <= main_#t~nondet1 + 2147483648 && main_#t~nondet1 <= 2147483647; [L56] write~int_old_#memory_int := #memory_int; [L57] write~int_#sizeOfWrittenType, write~int_#ptr.base, write~int_#value, write~int_#ptr.offset := 4, main_~#A~0.base, main_#t~nondet1, main_~#A~0.offset + 4 * main_~i~0; [L58] assume #valid[write~int_#ptr.base] == 1; [L63] assume !(write~int_#sizeOfWrittenType + write~int_#ptr.offset <= #length[write~int_#ptr.base]) || !(0 <= write~int_#ptr.offset); [L77] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...