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/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:03,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:03,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:03,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:17:03,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:17:03,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:17:03,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:17:03,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:17:03,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:17:03,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:17:03,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:17:03,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:17:03,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:17:03,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:17:03,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:17:03,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:17:03,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:17:03,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:17:03,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:17:03,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:17:03,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:17:03,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:17:03,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:17:03,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:17:03,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:17:03,440 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 12:17:03,464 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:03,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:03,465 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:03,465 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:03,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:03,466 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:03,466 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:03,466 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:03,466 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:03,467 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:03,467 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:03,467 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:03,467 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:03,467 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:03,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:03,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:03,468 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:03,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:03,469 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:03,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:03,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:03,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:03,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:03,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:03,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:03,470 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:03,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:03,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:03,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:03,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:03,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:03,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:03,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:03,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:03,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:03,472 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:03,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:03,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:03,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:03,473 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:03,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:03,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:03,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:03,532 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:03,533 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:03,534 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl [2019-08-05 12:17:03,534 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl' [2019-08-05 12:17:03,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:03,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:03,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:03,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:03,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:03,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:03" (1/1) ... [2019-08-05 12:17:03,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:03" (1/1) ... [2019-08-05 12:17:03,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:03,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:03,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:03,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:03,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:03" (1/1) ... [2019-08-05 12:17:03,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:03" (1/1) ... [2019-08-05 12:17:03,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:03" (1/1) ... [2019-08-05 12:17:03,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:03" (1/1) ... [2019-08-05 12:17:03,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:03" (1/1) ... [2019-08-05 12:17:03,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:03" (1/1) ... [2019-08-05 12:17:03,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:03" (1/1) ... [2019-08-05 12:17:03,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:03,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:03,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:03,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:03,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:03" (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 12:17:03,747 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:17:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:17:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:17:04,168 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:17:04,168 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:17:04,170 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:04 BoogieIcfgContainer [2019-08-05 12:17:04,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:04,171 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:04,171 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:04,171 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:04,172 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:04" (1/1) ... [2019-08-05 12:17:04,205 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:04,503 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:04,528 INFO L272 AbstractInterpreter]: Visited 6 different actions 14 times. Merged at 4 different actions 6 times. Never widened. Performed 802 root evaluator evaluations with a maximum evaluation depth of 3. Performed 802 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:17:04,529 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:04,533 INFO L168 Benchmark]: Toolchain (without parser) took 945.88 ms. Allocated memory is still 140.0 MB. Free memory was 104.0 MB in the beginning and 64.7 MB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:04,535 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:17:04,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.52 ms. Allocated memory is still 140.0 MB. Free memory was 104.0 MB in the beginning and 102.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:04,538 INFO L168 Benchmark]: Boogie Preprocessor took 30.96 ms. Allocated memory is still 140.0 MB. Free memory was 102.2 MB in the beginning and 100.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:04,539 INFO L168 Benchmark]: RCFGBuilder took 493.88 ms. Allocated memory is still 140.0 MB. Free memory was 100.5 MB in the beginning and 85.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:04,543 INFO L168 Benchmark]: Abstract Interpretation took 358.29 ms. Allocated memory is still 140.0 MB. Free memory was 85.0 MB in the beginning and 64.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:04,549 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 140.0 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.52 ms. Allocated memory is still 140.0 MB. Free memory was 104.0 MB in the beginning and 102.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.96 ms. Allocated memory is still 140.0 MB. Free memory was 102.2 MB in the beginning and 100.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 493.88 ms. Allocated memory is still 140.0 MB. Free memory was 100.5 MB in the beginning and 85.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 358.29 ms. Allocated memory is still 140.0 MB. Free memory was 85.0 MB in the beginning and 64.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 180]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L82] #NULL.offset, #NULL.base := 0, 0; [L83] #valid := #valid[0 := 0]; [L84] main_old_#valid := #valid; [L85] havoc main_#res; [L86] havoc main_#t~nondet1, main_#t~nondet4, main_~x~0.offset, main_#t~nondet6, main_~x~0.base, main_#t~mem9.offset, main_#t~malloc0.base, main_~head~0.base, main_#t~malloc2.base, main_#t~mem13.offset, main_#t~mem15.offset, main_#t~mem8.offset, main_~y~0.base, main_#t~mem13.base, main_#t~mem15.base, main_#t~mem3.offset, main_#t~mem3.base, main_#t~mem16.base, main_#t~mem12.base, main_#t~mem14, main_#t~mem9.base, main_#t~mem7.base, main_#t~mem8.base, main_#t~malloc10.offset, main_#t~mem11, main_#t~malloc0.offset, main_#t~malloc5.base, main_#t~mem12.offset, main_#t~mem16.offset, main_#t~mem7.offset, main_~head~0.offset, main_#t~malloc10.base, main_#t~malloc2.offset, main_~y~0.offset, main_#t~malloc5.offset; [L87] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L88] #Ultimate.alloc_~size := 8; [L89] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L90] havoc #valid, #length; [L91] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L92] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1] == #valid; [L93] assume #Ultimate.alloc_#res.offset == 0; [L94] assume !(0 == #Ultimate.alloc_#res.base); [L95] assume #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size] == #length; [L96] main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L97] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L98] write~$Pointer$_old_#memory_$Pointer$.base, write~$Pointer$_old_#memory_$Pointer$.offset, write~$Pointer$_old_#memory_int := #memory_$Pointer$.base, #memory_$Pointer$.offset, #memory_int; [L99] write~$Pointer$_#value.base, write~$Pointer$_#ptr.offset, write~$Pointer$_#sizeOfWrittenType, write~$Pointer$_#value.offset, write~$Pointer$_#ptr.base := 0, main_~head~0.offset, 4, 0, main_~head~0.base; [L100] assume 1 == #valid[write~$Pointer$_#ptr.base]; [L101] assume write~$Pointer$_#sizeOfWrittenType + write~$Pointer$_#ptr.offset <= #length[write~$Pointer$_#ptr.base] && 0 <= write~$Pointer$_#ptr.offset; [L102] assume 1 == #valid[write~$Pointer$_#ptr.base]; [L103] assume write~$Pointer$_#sizeOfWrittenType + write~$Pointer$_#ptr.offset <= #length[write~$Pointer$_#ptr.base] && 0 <= write~$Pointer$_#ptr.offset; [L104] havoc #memory_$Pointer$.base, #memory_$Pointer$.offset; [L105] assume (#memory_$Pointer$.offset == write~$Pointer$_old_#memory_$Pointer$.offset[write~$Pointer$_#ptr.base := write~$Pointer$_old_#memory_$Pointer$.offset[write~$Pointer$_#ptr.base][write~$Pointer$_#ptr.offset := write~$Pointer$_#value.offset]] && #memory_$Pointer$.base == write~$Pointer$_old_#memory_$Pointer$.base[write~$Pointer$_#ptr.base := write~$Pointer$_old_#memory_$Pointer$.base[write~$Pointer$_#ptr.base][write~$Pointer$_#ptr.offset := write~$Pointer$_#value.base]]) && #memory_int == write~$Pointer$_old_#memory_int[write~$Pointer$_#ptr.base := write~$Pointer$_old_#memory_int[write~$Pointer$_#ptr.base][write~$Pointer$_#ptr.offset := #memory_int[write~$Pointer$_#ptr.base][write~$Pointer$_#ptr.offset]]]; [L106] write~int_old_#memory_$Pointer$.offset, write~int_old_#memory_$Pointer$.base, write~int_old_#memory_int := #memory_$Pointer$.offset, #memory_$Pointer$.base, #memory_int; [L107] write~int_#sizeOfWrittenType, write~int_#ptr.base, write~int_#value, write~int_#ptr.offset := 4, main_~head~0.base, 0, main_~head~0.offset + 4; [L108] assume #valid[write~int_#ptr.base] == 1; [L109] assume 0 <= write~int_#ptr.offset && write~int_#sizeOfWrittenType + write~int_#ptr.offset <= #length[write~int_#ptr.base]; [L110] assume 1 == #valid[write~int_#ptr.base]; [L111] assume write~int_#sizeOfWrittenType + write~int_#ptr.offset <= #length[write~int_#ptr.base] && 0 <= write~int_#ptr.offset; [L112] havoc #memory_int; [L113] assume (#memory_$Pointer$.offset == write~int_old_#memory_$Pointer$.offset[write~int_#ptr.base := write~int_old_#memory_$Pointer$.offset[write~int_#ptr.base][write~int_#ptr.offset := #memory_$Pointer$.offset[write~int_#ptr.base][write~int_#ptr.offset]]] && #memory_int == write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]]) && write~int_old_#memory_$Pointer$.base[write~int_#ptr.base := write~int_old_#memory_$Pointer$.base[write~int_#ptr.base][write~int_#ptr.offset := #memory_$Pointer$.base[write~int_#ptr.base][write~int_#ptr.offset]]] == #memory_$Pointer$.base; [L114] main_~x~0.offset, main_~x~0.base := main_~head~0.offset, main_~head~0.base; [L117] assume 0 <= main_#t~nondet1 + 2147483648 && main_#t~nondet1 <= 2147483647; [L122] assume 0 == main_#t~nondet1; [L123] havoc main_#t~nondet1; [L124] assume main_#t~nondet4 <= 2147483647 && 0 <= main_#t~nondet4 + 2147483648; [L125] assume 0 == main_#t~nondet4; [L126] havoc main_#t~nondet4; [L127] main_~x~0.offset, main_~x~0.base := main_~head~0.offset, main_~head~0.base; [L128] read~$Pointer$_#ptr.base, read~$Pointer$_#sizeOfReadType, read~$Pointer$_#ptr.offset := main_~x~0.base, 4, main_~x~0.offset; [L129] assume !(#valid[read~$Pointer$_#ptr.base] == 1); [L180] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...