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/heapseparator/speedup-poc03-12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:13:43,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:13:43,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:13:43,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:13:43,674 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 12:13:43,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:13:43,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:13:43,701 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:13:43,701 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:13:43,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:13:43,702 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:13:43,702 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:13:43,702 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:13:43,702 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:13:43,703 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:13:43,703 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:13:43,703 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:13:43,703 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:13:43,703 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:13:43,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:13:43,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:13:43,707 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:13:43,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:13:43,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:13:43,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:13:43,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:13:43,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:13:43,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:13:43,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:13:43,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:13:43,709 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:13:43,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:13:43,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:13:43,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:13:43,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:13:43,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:13:43,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:13:43,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:13:43,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:13:43,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:13:43,711 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:13:43,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:13:43,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:13:43,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:13:43,712 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:13:43,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:13:43,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:13:43,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:13:43,772 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:13:43,773 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:13:43,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc03-12.bpl [2019-08-05 12:13:43,774 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc03-12.bpl' [2019-08-05 12:13:43,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:13:43,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:13:43,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:13:43,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:13:43,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:13:43,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:43" (1/1) ... [2019-08-05 12:13:43,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:43" (1/1) ... [2019-08-05 12:13:43,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:13:43,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:13:43,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:13:43,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:13:43,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:43" (1/1) ... [2019-08-05 12:13:43,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:43" (1/1) ... [2019-08-05 12:13:43,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:43" (1/1) ... [2019-08-05 12:13:43,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:43" (1/1) ... [2019-08-05 12:13:43,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:43" (1/1) ... [2019-08-05 12:13:43,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:43" (1/1) ... [2019-08-05 12:13:43,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:43" (1/1) ... [2019-08-05 12:13:43,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:13:43,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:13:43,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:13:43,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:13:43,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:43" (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 12:13:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:13:44,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:13:44,555 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:13:44,556 INFO L283 CfgBuilder]: Removed 27 assume(true) statements. [2019-08-05 12:13:44,557 INFO L202 PluginConnector]: Adding new model speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:13:44 BoogieIcfgContainer [2019-08-05 12:13:44,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:13:44,558 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:13:44,558 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:13:44,558 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:13:44,559 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc03-12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:13:44" (1/1) ... [2019-08-05 12:13:44,588 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:13:44,693 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:13:44,746 INFO L272 AbstractInterpreter]: Visited 38 different actions 38 times. Never merged. Never widened. Performed 192 root evaluator evaluations with a maximum evaluation depth of 2. Performed 192 inverse root evaluator evaluations with a maximum inverse evaluation depth of 2. Found 12 fixpoints after 12 different actions. Largest state had 0 variables. [2019-08-05 12:13:44,746 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:13:44,749 INFO L168 Benchmark]: Toolchain (without parser) took 911.89 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 78.3 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:44,750 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 107.9 MB in the beginning and 107.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:13:44,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.27 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 103.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:44,753 INFO L168 Benchmark]: Boogie Preprocessor took 55.74 ms. Allocated memory is still 140.5 MB. Free memory was 103.8 MB in the beginning and 102.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:44,754 INFO L168 Benchmark]: RCFGBuilder took 584.56 ms. Allocated memory is still 140.5 MB. Free memory was 102.4 MB in the beginning and 86.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:44,755 INFO L168 Benchmark]: Abstract Interpretation took 188.32 ms. Allocated memory is still 140.5 MB. Free memory was 86.4 MB in the beginning and 78.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:44,760 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 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 107.9 MB in the beginning and 107.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 79.27 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 103.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.74 ms. Allocated memory is still 140.5 MB. Free memory was 103.8 MB in the beginning and 102.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 584.56 ms. Allocated memory is still 140.5 MB. Free memory was 102.4 MB in the beginning and 86.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 188.32 ms. Allocated memory is still 140.5 MB. Free memory was 86.4 MB in the beginning and 78.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - 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: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; - UnprovableResult [Line: 73]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; [L73] assert #memory_int[p2] <= 0; - UnprovableResult [Line: 74]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; [L73] assert #memory_int[p2] <= 0; [L74] assert #memory_int[p3] >= 0; - UnprovableResult [Line: 75]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; [L73] assert #memory_int[p2] <= 0; [L74] assert #memory_int[p3] >= 0; [L75] assert #memory_int[p4] <= 0; - UnprovableResult [Line: 76]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; [L73] assert #memory_int[p2] <= 0; [L74] assert #memory_int[p3] >= 0; [L75] assert #memory_int[p4] <= 0; [L76] assert #memory_int[p5] >= 0; - UnprovableResult [Line: 77]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; [L73] assert #memory_int[p2] <= 0; [L74] assert #memory_int[p3] >= 0; [L75] assert #memory_int[p4] <= 0; [L76] assert #memory_int[p5] >= 0; [L77] assert #memory_int[p6] <= 0; - UnprovableResult [Line: 78]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; [L73] assert #memory_int[p2] <= 0; [L74] assert #memory_int[p3] >= 0; [L75] assert #memory_int[p4] <= 0; [L76] assert #memory_int[p5] >= 0; [L77] assert #memory_int[p6] <= 0; [L78] assert #memory_int[p7] >= 0; - UnprovableResult [Line: 79]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; [L73] assert #memory_int[p2] <= 0; [L74] assert #memory_int[p3] >= 0; [L75] assert #memory_int[p4] <= 0; [L76] assert #memory_int[p5] >= 0; [L77] assert #memory_int[p6] <= 0; [L78] assert #memory_int[p7] >= 0; [L79] assert #memory_int[p8] <= 0; - UnprovableResult [Line: 80]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; [L73] assert #memory_int[p2] <= 0; [L74] assert #memory_int[p3] >= 0; [L75] assert #memory_int[p4] <= 0; [L76] assert #memory_int[p5] >= 0; [L77] assert #memory_int[p6] <= 0; [L78] assert #memory_int[p7] >= 0; [L79] assert #memory_int[p8] <= 0; [L80] assert #memory_int[p9] >= 0; - UnprovableResult [Line: 81]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; [L73] assert #memory_int[p2] <= 0; [L74] assert #memory_int[p3] >= 0; [L75] assert #memory_int[p4] <= 0; [L76] assert #memory_int[p5] >= 0; [L77] assert #memory_int[p6] <= 0; [L78] assert #memory_int[p7] >= 0; [L79] assert #memory_int[p8] <= 0; [L80] assert #memory_int[p9] >= 0; [L81] assert #memory_int[p10] <= 0; - UnprovableResult [Line: 82]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; [L73] assert #memory_int[p2] <= 0; [L74] assert #memory_int[p3] >= 0; [L75] assert #memory_int[p4] <= 0; [L76] assert #memory_int[p5] >= 0; [L77] assert #memory_int[p6] <= 0; [L78] assert #memory_int[p7] >= 0; [L79] assert #memory_int[p8] <= 0; [L80] assert #memory_int[p9] >= 0; [L81] assert #memory_int[p10] <= 0; [L82] assert #memory_int[p11] >= 0; - UnprovableResult [Line: 83]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L86-L87] modifies #valid; [L86-L88] ensures old(#valid)[ptr] == 0; [L86-L89] ensures #valid == old(#valid)[ptr := 1]; [L32] #memory_int[p1] := 0; [L33] #memory_int[p2] := 0; [L34] #memory_int[p3] := 0; [L35] #memory_int[p4] := 0; [L36] #memory_int[p5] := 0; [L37] #memory_int[p6] := 0; [L38] #memory_int[p7] := 0; [L39] #memory_int[p8] := 0; [L40] #memory_int[p9] := 0; [L41] #memory_int[p10] := 0; [L42] #memory_int[p11] := 0; [L43] #memory_int[p12] := 0; [L72] assert #memory_int[p1] >= 0; [L73] assert #memory_int[p2] <= 0; [L74] assert #memory_int[p3] >= 0; [L75] assert #memory_int[p4] <= 0; [L76] assert #memory_int[p5] >= 0; [L77] assert #memory_int[p6] <= 0; [L78] assert #memory_int[p7] >= 0; [L79] assert #memory_int[p8] <= 0; [L80] assert #memory_int[p9] >= 0; [L81] assert #memory_int[p10] <= 0; [L82] assert #memory_int[p11] >= 0; [L83] assert #memory_int[p12] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...