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_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-unlimited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-18 10:23:05,591 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-18 10:23:05,593 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-18 10:23:05,605 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-18 10:23:05,605 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-18 10:23:05,606 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-18 10:23:05,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-18 10:23:05,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-18 10:23:05,611 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-18 10:23:05,612 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-18 10:23:05,613 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-18 10:23:05,614 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-18 10:23:05,615 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-18 10:23:05,616 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-18 10:23:05,617 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-18 10:23:05,617 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-18 10:23:05,618 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-18 10:23:05,620 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-18 10:23:05,622 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-18 10:23:05,624 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-18 10:23:05,625 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-18 10:23:05,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-18 10:23:05,629 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-02-18 10:23:05,630 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-02-18 10:23:05,630 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-02-18 10:23:05,631 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-02-18 10:23:05,632 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-02-18 10:23:05,633 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-02-18 10:23:05,634 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-02-18 10:23:05,635 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-02-18 10:23:05,635 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-02-18 10:23:05,636 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-02-18 10:23:05,636 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-02-18 10:23:05,636 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-02-18 10:23:05,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-02-18 10:23:05,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-02-18 10:23:05,638 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2019-02-18 10:23:05,651 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-18 10:23:05,652 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-18 10:23:05,652 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-18 10:23:05,653 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-18 10:23:05,653 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-18 10:23:05,653 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-18 10:23:05,653 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-18 10:23:05,653 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-18 10:23:05,654 INFO L133 SettingsManager]: * Explicit value domain=true [2019-02-18 10:23:05,654 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-18 10:23:05,654 INFO L133 SettingsManager]: * Octagon Domain=false [2019-02-18 10:23:05,654 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-18 10:23:05,654 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-18 10:23:05,655 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-18 10:23:05,655 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-18 10:23:05,655 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-18 10:23:05,656 INFO L133 SettingsManager]: * Use SBE=true [2019-02-18 10:23:05,656 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-18 10:23:05,656 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-18 10:23:05,656 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-18 10:23:05,656 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-18 10:23:05,657 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-18 10:23:05,657 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-18 10:23:05,657 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-18 10:23:05,657 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-18 10:23:05,657 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-18 10:23:05,658 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-18 10:23:05,658 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-18 10:23:05,658 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-18 10:23:05,658 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-18 10:23:05,658 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-18 10:23:05,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-02-18 10:23:05,659 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-18 10:23:05,659 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-18 10:23:05,659 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-18 10:23:05,659 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-18 10:23:05,660 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-18 10:23:05,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-02-18 10:23:05,660 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-18 10:23:05,660 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-18 10:23:05,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-18 10:23:05,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-18 10:23:05,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-18 10:23:05,711 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-18 10:23:05,712 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-18 10:23:05,713 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-unlimited.bpl [2019-02-18 10:23:05,713 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-unlimited.bpl' [2019-02-18 10:23:05,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-18 10:23:05,760 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-18 10:23:05,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-18 10:23:05,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-18 10:23:05,762 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-18 10:23:05,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:23:05" (1/1) ... [2019-02-18 10:23:05,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:23:05" (1/1) ... [2019-02-18 10:23:05,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-18 10:23:05,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-18 10:23:05,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-18 10:23:05,843 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-18 10:23:05,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:23:05" (1/1) ... [2019-02-18 10:23:05,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:23:05" (1/1) ... [2019-02-18 10:23:05,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:23:05" (1/1) ... [2019-02-18 10:23:05,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:23:05" (1/1) ... [2019-02-18 10:23:05,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:23:05" (1/1) ... [2019-02-18 10:23:05,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:23:05" (1/1) ... [2019-02-18 10:23:05,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:23:05" (1/1) ... [2019-02-18 10:23:05,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-18 10:23:05,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-18 10:23:05,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-18 10:23:05,886 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-18 10:23:05,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:23:05" (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:8092 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-02-18 10:23:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-18 10:23:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-18 10:23:06,498 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-18 10:23:06,499 INFO L286 CfgBuilder]: Removed 23 assue(true) statements. [2019-02-18 10:23:06,500 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 10:23:06 BoogieIcfgContainer [2019-02-18 10:23:06,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-18 10:23:06,501 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-18 10:23:06,501 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-18 10:23:06,502 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-18 10:23:06,503 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 10:23:06" (1/1) ... [2019-02-18 10:23:06,540 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-18 10:23:07,256 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-18 10:23:07,317 INFO L272 AbstractInterpreter]: Visited 32 different actions 32 times. Never merged. Never widened. Found 10 fixpoints after 10 different actions. Largest state had 0 variables. [2019-02-18 10:23:07,319 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-18 10:23:07,320 INFO L168 Benchmark]: Toolchain (without parser) took 1563.95 ms. Allocated memory was 141.6 MB in the beginning and 175.6 MB in the end (delta: 34.1 MB). Free memory was 108.8 MB in the beginning and 131.5 MB in the end (delta: -22.6 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2019-02-18 10:23:07,323 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-18 10:23:07,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.19 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 106.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-02-18 10:23:07,325 INFO L168 Benchmark]: Boogie Preprocessor took 42.02 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 105.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-02-18 10:23:07,327 INFO L168 Benchmark]: RCFGBuilder took 615.27 ms. Allocated memory is still 141.6 MB. Free memory was 105.0 MB in the beginning and 90.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-02-18 10:23:07,328 INFO L168 Benchmark]: Abstract Interpretation took 817.76 ms. Allocated memory was 141.6 MB in the beginning and 175.6 MB in the end (delta: 34.1 MB). Free memory was 90.6 MB in the beginning and 131.5 MB in the end (delta: -40.9 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2019-02-18 10:23:07,335 INFO L336 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 141.6 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 81.19 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 106.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.02 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 105.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 615.27 ms. Allocated memory is still 141.6 MB. Free memory was 105.0 MB in the beginning and 90.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 817.76 ms. Allocated memory was 141.6 MB in the beginning and 175.6 MB in the end (delta: 34.1 MB). Free memory was 90.6 MB in the beginning and 131.5 MB in the end (delta: -40.9 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 63]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; - UnprovableResult [Line: 64]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; - UnprovableResult [Line: 65]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; - UnprovableResult [Line: 66]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; - UnprovableResult [Line: 67]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; - UnprovableResult [Line: 68]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; - UnprovableResult [Line: 69]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; [L69] assert #memory_int[p7] >= 0; - UnprovableResult [Line: 70]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; [L69] assert #memory_int[p7] >= 0; [L70] assert #memory_int[p8] <= 0; - UnprovableResult [Line: 71]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; [L69] assert #memory_int[p7] >= 0; [L70] assert #memory_int[p8] <= 0; [L71] assert #memory_int[p9] >= 0; - UnprovableResult [Line: 72]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; [L69] assert #memory_int[p7] >= 0; [L70] assert #memory_int[p8] <= 0; [L71] assert #memory_int[p9] >= 0; [L72] assert #memory_int[p10] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...