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/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:14,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:14,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:14,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:17:14,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:17:14,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:17:14,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:17:14,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:17:14,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:17:14,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:17:14,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:17:14,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:17:14,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:17:14,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:17:14,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:17:14,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:17:14,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:17:14,752 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 12:17:14,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:14,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:14,773 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:14,773 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:14,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:14,773 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:14,774 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:14,774 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:14,774 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:14,774 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:14,774 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:14,775 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:14,775 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:14,775 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:14,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:14,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:14,776 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:14,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:14,777 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:14,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:14,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:14,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:14,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:14,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:14,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:14,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:14,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:14,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:14,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:14,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:14,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:14,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:14,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:14,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:14,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:14,780 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:14,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:14,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:14,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:14,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:14,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:14,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:14,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:14,832 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:14,833 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:14,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl [2019-08-05 12:17:14,834 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl' [2019-08-05 12:17:14,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:14,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:14,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:14,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:14,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:14,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:14" (1/1) ... [2019-08-05 12:17:14,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:14" (1/1) ... [2019-08-05 12:17:14,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:14,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:14,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:14,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:14,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:14" (1/1) ... [2019-08-05 12:17:14,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:14" (1/1) ... [2019-08-05 12:17:14,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:14" (1/1) ... [2019-08-05 12:17:14,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:14" (1/1) ... [2019-08-05 12:17:14,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:14" (1/1) ... [2019-08-05 12:17:14,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:14" (1/1) ... [2019-08-05 12:17:14,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:14" (1/1) ... [2019-08-05 12:17:14,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:14,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:14,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:14,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:14,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:14" (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 [2019-08-05 12:17:15,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:17:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:17:15,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:17:15,360 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:17:15,360 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:17:15,361 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:15 BoogieIcfgContainer [2019-08-05 12:17:15,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:15,362 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:15,363 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:15,363 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:15,364 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:15" (1/1) ... [2019-08-05 12:17:15,393 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:15,597 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:15,622 INFO L272 AbstractInterpreter]: Visited 6 different actions 21 times. Merged at 4 different actions 12 times. Widened at 1 different actions 1 times. Performed 260 root evaluator evaluations with a maximum evaluation depth of 4. Performed 260 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-05 12:17:15,623 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:15,626 INFO L168 Benchmark]: Toolchain (without parser) took 727.43 ms. Allocated memory is still 134.2 MB. Free memory was 106.7 MB in the beginning and 81.8 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:15,628 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:17:15,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.00 ms. Allocated memory is still 134.2 MB. Free memory was 106.5 MB in the beginning and 104.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:15,631 INFO L168 Benchmark]: Boogie Preprocessor took 24.19 ms. Allocated memory is still 134.2 MB. Free memory was 104.9 MB in the beginning and 103.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:15,633 INFO L168 Benchmark]: RCFGBuilder took 399.53 ms. Allocated memory is still 134.2 MB. Free memory was 103.6 MB in the beginning and 92.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:15,634 INFO L168 Benchmark]: Abstract Interpretation took 260.59 ms. Allocated memory is still 134.2 MB. Free memory was 92.1 MB in the beginning and 81.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:15,639 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 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.00 ms. Allocated memory is still 134.2 MB. Free memory was 106.5 MB in the beginning and 104.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.19 ms. Allocated memory is still 134.2 MB. Free memory was 104.9 MB in the beginning and 103.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 399.53 ms. Allocated memory is still 134.2 MB. Free memory was 103.6 MB in the beginning and 92.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 260.59 ms. Allocated memory is still 134.2 MB. Free memory was 92.1 MB in the beginning and 81.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 109]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L47] #NULL.offset, #NULL.base := 0, 0; [L48] #valid := #valid[0 := 0]; [L49] main_old_#valid := #valid; [L50] havoc main_#res; [L51] havoc main_#t~post2, main_~#b~0.base, main_~#mask~0.base, main_~#mask~0.offset, main_~i~1, main_~#b~0.offset, main_#t~mem5, main_#t~ret3, main_#t~post4; [L52] havoc main_~i~1; [L53] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L54] #Ultimate.alloc_~size := 128; [L55] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L56] havoc #valid, #length; [L57] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L58] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1] == #valid; [L59] assume #Ultimate.alloc_#res.offset == 0; [L60] assume !(0 == #Ultimate.alloc_#res.base); [L61] assume #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size] == #length; [L62] main_~#b~0.base, main_~#b~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L63] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L64] #Ultimate.alloc_~size := 32; [L65] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L66] havoc #valid, #length; [L67] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L68] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L69] assume #Ultimate.alloc_#res.offset == 0; [L70] assume !(0 == #Ultimate.alloc_#res.base); [L71] assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size]; [L72] main_~#mask~0.base, main_~#mask~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L73] main_~i~1 := 0; [L74] assume main_~i~1 < 32; [L75] foo_#in~b.offset, foo_#in~size, foo_#in~b.base := main_~#mask~0.offset, main_~i~1, main_~#mask~0.base; [L76] havoc foo_#res; [L77] havoc foo_#t~post0, foo_#t~mem1, foo_~i~0, foo_~b.offset, foo_~b.base, foo_~size, foo_~a~0; [L78] foo_~b.offset, foo_~b.base := foo_#in~b.offset, foo_#in~b.base; [L79] foo_~size := foo_#in~size; [L80] havoc foo_~a~0; [L81] havoc foo_~i~0; [L82] foo_~i~0 := 0; [L85] assume foo_~i~0 <= foo_~size + 1; [L90] assume !(0 <= foo_~i~0) || !(foo_~i~0 < 33); [L109] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...