java -ea -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-poc-dd-6-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1377b90 [2019-01-07 15:19:44,936 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 15:19:44,938 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 15:19:44,950 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 15:19:44,951 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 15:19:44,952 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 15:19:44,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 15:19:44,955 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 15:19:44,957 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 15:19:44,958 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 15:19:44,959 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-07 15:19:44,997 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-01-07 15:19:45,020 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 15:19:45,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 15:19:45,023 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 15:19:45,023 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 15:19:45,023 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 15:19:45,024 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 15:19:45,024 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 15:19:45,024 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 15:19:45,024 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-07 15:19:45,025 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 15:19:45,025 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-07 15:19:45,025 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-07 15:19:45,025 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 15:19:45,025 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 15:19:45,026 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 15:19:45,026 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 15:19:45,027 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 15:19:45,028 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 15:19:45,028 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 15:19:45,028 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 15:19:45,028 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 15:19:45,029 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 15:19:45,029 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 15:19:45,029 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 15:19:45,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 15:19:45,030 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 15:19:45,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 15:19:45,030 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 15:19:45,030 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 15:19:45,031 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 15:19:45,031 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 15:19:45,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 15:19:45,031 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 15:19:45,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 15:19:45,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 15:19:45,032 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 15:19:45,032 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 15:19:45,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 15:19:45,033 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 15:19:45,033 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 15:19:45,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 15:19:45,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 15:19:45,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 15:19:45,109 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 15:19:45,110 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 15:19:45,111 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-6-limited.bpl [2019-01-07 15:19:45,111 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-6-limited.bpl' [2019-01-07 15:19:45,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 15:19:45,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 15:19:45,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 15:19:45,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 15:19:45,181 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 15:19:45,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:45" (1/1) ... [2019-01-07 15:19:45,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:45" (1/1) ... [2019-01-07 15:19:45,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 15:19:45,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 15:19:45,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 15:19:45,261 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 15:19:45,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:45" (1/1) ... [2019-01-07 15:19:45,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:45" (1/1) ... [2019-01-07 15:19:45,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:45" (1/1) ... [2019-01-07 15:19:45,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:45" (1/1) ... [2019-01-07 15:19:45,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:45" (1/1) ... [2019-01-07 15:19:45,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:45" (1/1) ... [2019-01-07 15:19:45,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:45" (1/1) ... [2019-01-07 15:19:45,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 15:19:45,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 15:19:45,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 15:19:45,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 15:19:45,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:45" (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 [2019-01-07 15:19:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 15:19:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 15:19:46,080 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 15:19:46,082 INFO L286 CfgBuilder]: Removed 15 assue(true) statements. [2019-01-07 15:19:46,086 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:19:46 BoogieIcfgContainer [2019-01-07 15:19:46,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 15:19:46,087 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-07 15:19:46,087 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-07 15:19:46,087 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-07 15:19:46,088 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:19:46" (1/1) ... [2019-01-07 15:19:46,120 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 15:19:46,412 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 15:19:46,443 INFO L272 AbstractInterpreter]: Visited 20 different actions 20 times. Never merged. Never widened. Performed 106 root evaluator evaluations with a maximum evaluation depth of 3. Performed 106 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 6 different actions. Largest state had 0 variables. [2019-01-07 15:19:46,445 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-07 15:19:46,446 INFO L168 Benchmark]: Toolchain (without parser) took 1267.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2019-01-07 15:19:46,449 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:19:46,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:19:46,450 INFO L168 Benchmark]: Boogie Preprocessor took 36.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:19:46,451 INFO L168 Benchmark]: RCFGBuilder took 788.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-01-07 15:19:46,452 INFO L168 Benchmark]: Abstract Interpretation took 358.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-01-07 15:19:46,458 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 79.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 788.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 358.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 53]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; - UnprovableResult [Line: 54]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; [L54] assert #memory_int[p2] <= 0; - UnprovableResult [Line: 55]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; [L54] assert #memory_int[p2] <= 0; [L55] assert #memory_int[p3] >= 0; - UnprovableResult [Line: 56]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; [L54] assert #memory_int[p2] <= 0; [L55] assert #memory_int[p3] >= 0; [L56] assert #memory_int[p4] <= 0; - UnprovableResult [Line: 57]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; [L54] assert #memory_int[p2] <= 0; [L55] assert #memory_int[p3] >= 0; [L56] assert #memory_int[p4] <= 0; [L57] assert #memory_int[p5] >= 0; - UnprovableResult [Line: 58]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; [L54] assert #memory_int[p2] <= 0; [L55] assert #memory_int[p3] >= 0; [L56] assert #memory_int[p4] <= 0; [L57] assert #memory_int[p5] >= 0; [L58] assert #memory_int[p6] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...