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/960521-1_1_false-valid-free.i_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:43,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:43,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:43,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:16:43,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:16:43,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:16:43,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:16:43,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:16:43,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:16:43,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:16:43,024 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:16:43,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:16:43,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:16:43,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:16:43,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:16:43,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:16:43,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:16:43,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:16:43,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:16:43,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:16:43,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:16:43,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:16:43,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:16:43,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:16:43,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:16:43,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:43,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:43,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:43,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:43,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:43,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:43,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:43,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:16:43,052 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 12:16:43,065 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:43,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:43,066 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:43,067 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:43,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:43,067 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:43,067 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:43,067 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:43,068 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:43,068 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:43,068 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:43,070 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:43,070 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:43,071 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:43,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:43,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:43,072 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:43,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:43,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:43,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:43,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:43,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:43,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:43,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:43,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:43,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:43,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:43,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:43,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:43,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:43,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:43,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:43,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:43,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:43,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:43,077 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:43,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:43,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:43,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:43,079 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:43,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:43,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:43,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:43,151 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:43,151 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:43,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/960521-1_1_false-valid-free.i_11.bpl [2019-08-05 12:16:43,152 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/960521-1_1_false-valid-free.i_11.bpl' [2019-08-05 12:16:43,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:43,224 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:43,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:43,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:43,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:43,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:43" (1/1) ... [2019-08-05 12:16:43,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:43" (1/1) ... [2019-08-05 12:16:43,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:43,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:43,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:43,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:43,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:43" (1/1) ... [2019-08-05 12:16:43,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:43" (1/1) ... [2019-08-05 12:16:43,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:43" (1/1) ... [2019-08-05 12:16:43,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:43" (1/1) ... [2019-08-05 12:16:43,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:43" (1/1) ... [2019-08-05 12:16:43,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:43" (1/1) ... [2019-08-05 12:16:43,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:43" (1/1) ... [2019-08-05 12:16:43,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:43,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:43,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:43,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:43,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:43" (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 12:16:43,357 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:16:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:16:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:16:43,649 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:16:43,650 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:43,651 INFO L202 PluginConnector]: Adding new model 960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:43 BoogieIcfgContainer [2019-08-05 12:16:43,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:43,652 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:43,652 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:43,652 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:43,653 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "960521-1_1_false-valid-free.i_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:43" (1/1) ... [2019-08-05 12:16:43,695 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:44,043 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:44,068 INFO L272 AbstractInterpreter]: Visited 9 different actions 35 times. Merged at 7 different actions 20 times. Widened at 2 different actions 2 times. Performed 1259 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1259 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 5 fixpoints after 4 different actions. Largest state had 0 variables. [2019-08-05 12:16:44,069 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:44,072 INFO L168 Benchmark]: Toolchain (without parser) took 846.23 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 66.4 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:44,073 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:16:44,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.57 ms. Allocated memory is still 141.0 MB. Free memory was 106.7 MB in the beginning and 105.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:44,076 INFO L168 Benchmark]: Boogie Preprocessor took 25.02 ms. Allocated memory is still 141.0 MB. Free memory was 105.0 MB in the beginning and 103.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:44,077 INFO L168 Benchmark]: RCFGBuilder took 363.11 ms. Allocated memory is still 141.0 MB. Free memory was 103.6 MB in the beginning and 91.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:44,079 INFO L168 Benchmark]: Abstract Interpretation took 416.81 ms. Allocated memory is still 141.0 MB. Free memory was 91.0 MB in the beginning and 66.6 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:44,083 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 141.0 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.57 ms. Allocated memory is still 141.0 MB. Free memory was 106.7 MB in the beginning and 105.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.02 ms. Allocated memory is still 141.0 MB. Free memory was 105.0 MB in the beginning and 103.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 363.11 ms. Allocated memory is still 141.0 MB. Free memory was 103.6 MB in the beginning and 91.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 416.81 ms. Allocated memory is still 141.0 MB. Free memory was 91.0 MB in the beginning and 66.6 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 134]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L50] #NULL.offset, #NULL.base := 0, 0; [L51] #valid := #valid[0 := 0]; [L52] ~a~0.base, ~a~0.offset := 0, 0; [L53] ~b~0.base, ~b~0.offset := 0, 0; [L54] ~n~0 := 0; [L55] main_old_#valid := #valid; [L56] havoc main_#res; [L57] havoc main_#t~malloc4.offset, main_#t~post6.base, main_#t~mem7, main_#t~nondet2, main_#t~post3, main_#t~malloc4.base, main_#t~malloc5.base, main_#t~post6.offset, main_#t~malloc5.offset; [L58] ~n~0 := 1; [L61] assume 0 <= main_#t~nondet2 + 2147483648 && main_#t~nondet2 <= 2147483647; [L66] assume !(~n~0 < 30) || 0 == main_#t~nondet2; [L67] havoc main_#t~nondet2; [L68] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L69] #Ultimate.alloc_~size := 4 * ~n~0; [L70] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L71] havoc #valid, #length; [L72] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L73] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1] == #valid; [L74] assume #Ultimate.alloc_#res.offset == 0; [L75] assume !(0 == #Ultimate.alloc_#res.base); [L76] assume #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size] == #length; [L77] main_#t~malloc4.offset, main_#t~malloc4.base := #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L78] ~a~0.base, ~a~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; [L79] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L80] #Ultimate.alloc_~size := 4 * ~n~0; [L81] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L82] havoc #valid, #length; [L83] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L84] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L85] assume #Ultimate.alloc_#res.offset == 0; [L86] assume !(0 == #Ultimate.alloc_#res.base); [L87] assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size]; [L88] main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L89] ~b~0.base, ~b~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; [L90] main_#t~post6.base, main_#t~post6.offset := ~b~0.base, ~b~0.offset; [L91] ~b~0.base, ~b~0.offset := main_#t~post6.base, main_#t~post6.offset + 4; [L92] write~int_old_#memory_int := #memory_int; [L93] write~int_#sizeOfWrittenType, write~int_#ptr.base, write~int_#value, write~int_#ptr.offset := 4, main_#t~post6.base, 0, main_#t~post6.offset; [L94] assume #valid[write~int_#ptr.base] == 1; [L95] assume 0 <= write~int_#ptr.offset && write~int_#sizeOfWrittenType + write~int_#ptr.offset <= #length[write~int_#ptr.base]; [L96] assume 1 == #valid[write~int_#ptr.base]; [L97] assume write~int_#sizeOfWrittenType + write~int_#ptr.offset <= #length[write~int_#ptr.base] && 0 <= write~int_#ptr.offset; [L98] havoc #memory_int; [L99] 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]]; [L100] havoc main_#t~post6.base, main_#t~post6.offset; [L101] havoc foo_#t~post1, foo_#t~post0, foo_~i~0; [L102] havoc foo_~i~0; [L103] foo_~i~0 := 0; [L113] assume foo_~i~0 < ~n~0; [L114] write~int_old_#memory_int := #memory_int; [L115] write~int_#sizeOfWrittenType, write~int_#ptr.base, write~int_#value, write~int_#ptr.offset := 4, ~a~0.base, -1, ~a~0.offset + 4 * foo_~i~0; [L116] assume #valid[write~int_#ptr.base] == 1; [L121] assume !(write~int_#ptr.offset + write~int_#sizeOfWrittenType <= #length[write~int_#ptr.base]) || !(0 <= write~int_#ptr.offset); [L134] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...