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-10-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-14 17:05:07,801 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-14 17:05:07,803 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-14 17:05:07,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-14 17:05:07,816 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-14 17:05:07,817 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-14 17:05:07,818 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-14 17:05:07,820 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-14 17:05:07,822 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-14 17:05:07,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-14 17:05:07,824 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-02-14 17:05:07,859 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 [2019-02-14 17:05:07,881 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-14 17:05:07,881 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-14 17:05:07,882 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-14 17:05:07,882 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-14 17:05:07,883 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-14 17:05:07,883 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-14 17:05:07,883 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-14 17:05:07,883 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-14 17:05:07,883 INFO L133 SettingsManager]: * Explicit value domain=true [2019-02-14 17:05:07,884 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-14 17:05:07,884 INFO L133 SettingsManager]: * Octagon Domain=false [2019-02-14 17:05:07,885 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-02-14 17:05:07,885 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-14 17:05:07,885 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-14 17:05:07,886 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-14 17:05:07,886 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-14 17:05:07,886 INFO L133 SettingsManager]: * Use SBE=true [2019-02-14 17:05:07,886 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-14 17:05:07,887 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-14 17:05:07,888 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-14 17:05:07,889 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-14 17:05:07,889 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-14 17:05:07,889 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-14 17:05:07,889 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-14 17:05:07,889 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-14 17:05:07,890 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-14 17:05:07,890 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-14 17:05:07,890 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-14 17:05:07,890 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-14 17:05:07,890 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-14 17:05:07,891 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-14 17:05:07,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-14 17:05:07,891 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-14 17:05:07,891 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-14 17:05:07,891 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-14 17:05:07,892 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-14 17:05:07,892 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-14 17:05:07,892 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-14 17:05:07,892 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-14 17:05:07,892 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-14 17:05:07,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-14 17:05:07,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-14 17:05:07,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-14 17:05:07,941 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-14 17:05:07,941 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-14 17:05:07,942 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-limited.bpl [2019-02-14 17:05:07,942 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-limited.bpl' [2019-02-14 17:05:07,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-14 17:05:07,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-14 17:05:07,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-14 17:05:07,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-14 17:05:07,993 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-14 17:05:08,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:07" (1/1) ... [2019-02-14 17:05:08,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:07" (1/1) ... [2019-02-14 17:05:08,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-14 17:05:08,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-14 17:05:08,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-14 17:05:08,057 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-14 17:05:08,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:07" (1/1) ... [2019-02-14 17:05:08,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:07" (1/1) ... [2019-02-14 17:05:08,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:07" (1/1) ... [2019-02-14 17:05:08,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:07" (1/1) ... [2019-02-14 17:05:08,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:07" (1/1) ... [2019-02-14 17:05:08,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:07" (1/1) ... [2019-02-14 17:05:08,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:07" (1/1) ... [2019-02-14 17:05:08,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-14 17:05:08,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-14 17:05:08,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-14 17:05:08,085 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-14 17:05:08,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:07" (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 [2019-02-14 17:05:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-14 17:05:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-14 17:05:09,403 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-14 17:05:09,404 INFO L286 CfgBuilder]: Removed 23 assue(true) statements. [2019-02-14 17:05:09,405 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 05:05:09 BoogieIcfgContainer [2019-02-14 17:05:09,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-14 17:05:09,406 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-14 17:05:09,406 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-14 17:05:09,406 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-14 17:05:09,407 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 05:05:09" (1/1) ... [2019-02-14 17:05:09,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-14 17:05:09,779 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-14 17:05:09,826 INFO L272 AbstractInterpreter]: Visited 32 different actions 32 times. Never merged. Never widened. Performed 178 root evaluator evaluations with a maximum evaluation depth of 3. Performed 178 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 10 different actions. Largest state had 0 variables. [2019-02-14 17:05:09,828 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-14 17:05:09,830 INFO L168 Benchmark]: Toolchain (without parser) took 1838.11 ms. Allocated memory was 131.1 MB in the beginning and 172.0 MB in the end (delta: 40.9 MB). Free memory was 103.5 MB in the beginning and 137.8 MB in the end (delta: -34.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:09,833 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-14 17:05:09,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.93 ms. Allocated memory is still 131.1 MB. Free memory was 103.5 MB in the beginning and 100.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:09,837 INFO L168 Benchmark]: Boogie Preprocessor took 27.35 ms. Allocated memory is still 131.1 MB. Free memory was 100.6 MB in the beginning and 99.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:09,838 INFO L168 Benchmark]: RCFGBuilder took 1320.57 ms. Allocated memory was 131.1 MB in the beginning and 172.0 MB in the end (delta: 40.9 MB). Free memory was 99.1 MB in the beginning and 153.2 MB in the end (delta: -54.0 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:09,841 INFO L168 Benchmark]: Abstract Interpretation took 421.83 ms. Allocated memory is still 172.0 MB. Free memory was 153.2 MB in the beginning and 137.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:09,846 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 0.21 ms. Allocated memory is still 131.1 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.93 ms. Allocated memory is still 131.1 MB. Free memory was 103.5 MB in the beginning and 100.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.35 ms. Allocated memory is still 131.1 MB. Free memory was 100.6 MB in the beginning and 99.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1320.57 ms. Allocated memory was 131.1 MB in the beginning and 172.0 MB in the end (delta: 40.9 MB). Free memory was 99.1 MB in the beginning and 153.2 MB in the end (delta: -54.0 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 421.83 ms. Allocated memory is still 172.0 MB. Free memory was 153.2 MB in the beginning and 137.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - 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]; [L28] assume p1 < p2; [L29] assume p2 < p3; [L30] assume p3 < p4; [L31] assume p4 < p5; [L32] assume p5 < p6; [L33] assume p6 < p7; [L34] assume p7 < p8; [L35] assume p8 < p9; [L36] assume p9 < p10; [L38] #memory_int[p1] := 0; [L39] #memory_int[p2] := 0; [L40] #memory_int[p3] := 0; [L41] #memory_int[p4] := 0; [L42] #memory_int[p5] := 0; [L43] #memory_int[p6] := 0; [L44] #memory_int[p7] := 0; [L45] #memory_int[p8] := 0; [L46] #memory_int[p9] := 0; [L47] #memory_int[p10] := 0; [L73] assert #memory_int[p1] >= 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]; [L28] assume p1 < p2; [L29] assume p2 < p3; [L30] assume p3 < p4; [L31] assume p4 < p5; [L32] assume p5 < p6; [L33] assume p6 < p7; [L34] assume p7 < p8; [L35] assume p8 < p9; [L36] assume p9 < p10; [L38] #memory_int[p1] := 0; [L39] #memory_int[p2] := 0; [L40] #memory_int[p3] := 0; [L41] #memory_int[p4] := 0; [L42] #memory_int[p5] := 0; [L43] #memory_int[p6] := 0; [L44] #memory_int[p7] := 0; [L45] #memory_int[p8] := 0; [L46] #memory_int[p9] := 0; [L47] #memory_int[p10] := 0; [L73] assert #memory_int[p1] >= 0; [L74] assert #memory_int[p2] <= 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]; [L28] assume p1 < p2; [L29] assume p2 < p3; [L30] assume p3 < p4; [L31] assume p4 < p5; [L32] assume p5 < p6; [L33] assume p6 < p7; [L34] assume p7 < p8; [L35] assume p8 < p9; [L36] assume p9 < p10; [L38] #memory_int[p1] := 0; [L39] #memory_int[p2] := 0; [L40] #memory_int[p3] := 0; [L41] #memory_int[p4] := 0; [L42] #memory_int[p5] := 0; [L43] #memory_int[p6] := 0; [L44] #memory_int[p7] := 0; [L45] #memory_int[p8] := 0; [L46] #memory_int[p9] := 0; [L47] #memory_int[p10] := 0; [L73] assert #memory_int[p1] >= 0; [L74] assert #memory_int[p2] <= 0; [L75] assert #memory_int[p3] >= 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]; [L28] assume p1 < p2; [L29] assume p2 < p3; [L30] assume p3 < p4; [L31] assume p4 < p5; [L32] assume p5 < p6; [L33] assume p6 < p7; [L34] assume p7 < p8; [L35] assume p8 < p9; [L36] assume p9 < p10; [L38] #memory_int[p1] := 0; [L39] #memory_int[p2] := 0; [L40] #memory_int[p3] := 0; [L41] #memory_int[p4] := 0; [L42] #memory_int[p5] := 0; [L43] #memory_int[p6] := 0; [L44] #memory_int[p7] := 0; [L45] #memory_int[p8] := 0; [L46] #memory_int[p9] := 0; [L47] #memory_int[p10] := 0; [L73] assert #memory_int[p1] >= 0; [L74] assert #memory_int[p2] <= 0; [L75] assert #memory_int[p3] >= 0; [L76] assert #memory_int[p4] <= 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]; [L28] assume p1 < p2; [L29] assume p2 < p3; [L30] assume p3 < p4; [L31] assume p4 < p5; [L32] assume p5 < p6; [L33] assume p6 < p7; [L34] assume p7 < p8; [L35] assume p8 < p9; [L36] assume p9 < p10; [L38] #memory_int[p1] := 0; [L39] #memory_int[p2] := 0; [L40] #memory_int[p3] := 0; [L41] #memory_int[p4] := 0; [L42] #memory_int[p5] := 0; [L43] #memory_int[p6] := 0; [L44] #memory_int[p7] := 0; [L45] #memory_int[p8] := 0; [L46] #memory_int[p9] := 0; [L47] #memory_int[p10] := 0; [L73] assert #memory_int[p1] >= 0; [L74] assert #memory_int[p2] <= 0; [L75] assert #memory_int[p3] >= 0; [L76] assert #memory_int[p4] <= 0; [L77] assert #memory_int[p5] >= 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]; [L28] assume p1 < p2; [L29] assume p2 < p3; [L30] assume p3 < p4; [L31] assume p4 < p5; [L32] assume p5 < p6; [L33] assume p6 < p7; [L34] assume p7 < p8; [L35] assume p8 < p9; [L36] assume p9 < p10; [L38] #memory_int[p1] := 0; [L39] #memory_int[p2] := 0; [L40] #memory_int[p3] := 0; [L41] #memory_int[p4] := 0; [L42] #memory_int[p5] := 0; [L43] #memory_int[p6] := 0; [L44] #memory_int[p7] := 0; [L45] #memory_int[p8] := 0; [L46] #memory_int[p9] := 0; [L47] #memory_int[p10] := 0; [L73] assert #memory_int[p1] >= 0; [L74] assert #memory_int[p2] <= 0; [L75] assert #memory_int[p3] >= 0; [L76] assert #memory_int[p4] <= 0; [L77] assert #memory_int[p5] >= 0; [L78] assert #memory_int[p6] <= 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]; [L28] assume p1 < p2; [L29] assume p2 < p3; [L30] assume p3 < p4; [L31] assume p4 < p5; [L32] assume p5 < p6; [L33] assume p6 < p7; [L34] assume p7 < p8; [L35] assume p8 < p9; [L36] assume p9 < p10; [L38] #memory_int[p1] := 0; [L39] #memory_int[p2] := 0; [L40] #memory_int[p3] := 0; [L41] #memory_int[p4] := 0; [L42] #memory_int[p5] := 0; [L43] #memory_int[p6] := 0; [L44] #memory_int[p7] := 0; [L45] #memory_int[p8] := 0; [L46] #memory_int[p9] := 0; [L47] #memory_int[p10] := 0; [L73] assert #memory_int[p1] >= 0; [L74] assert #memory_int[p2] <= 0; [L75] assert #memory_int[p3] >= 0; [L76] assert #memory_int[p4] <= 0; [L77] assert #memory_int[p5] >= 0; [L78] assert #memory_int[p6] <= 0; [L79] assert #memory_int[p7] >= 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]; [L28] assume p1 < p2; [L29] assume p2 < p3; [L30] assume p3 < p4; [L31] assume p4 < p5; [L32] assume p5 < p6; [L33] assume p6 < p7; [L34] assume p7 < p8; [L35] assume p8 < p9; [L36] assume p9 < p10; [L38] #memory_int[p1] := 0; [L39] #memory_int[p2] := 0; [L40] #memory_int[p3] := 0; [L41] #memory_int[p4] := 0; [L42] #memory_int[p5] := 0; [L43] #memory_int[p6] := 0; [L44] #memory_int[p7] := 0; [L45] #memory_int[p8] := 0; [L46] #memory_int[p9] := 0; [L47] #memory_int[p10] := 0; [L73] assert #memory_int[p1] >= 0; [L74] assert #memory_int[p2] <= 0; [L75] assert #memory_int[p3] >= 0; [L76] assert #memory_int[p4] <= 0; [L77] assert #memory_int[p5] >= 0; [L78] assert #memory_int[p6] <= 0; [L79] assert #memory_int[p7] >= 0; [L80] assert #memory_int[p8] <= 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]; [L28] assume p1 < p2; [L29] assume p2 < p3; [L30] assume p3 < p4; [L31] assume p4 < p5; [L32] assume p5 < p6; [L33] assume p6 < p7; [L34] assume p7 < p8; [L35] assume p8 < p9; [L36] assume p9 < p10; [L38] #memory_int[p1] := 0; [L39] #memory_int[p2] := 0; [L40] #memory_int[p3] := 0; [L41] #memory_int[p4] := 0; [L42] #memory_int[p5] := 0; [L43] #memory_int[p6] := 0; [L44] #memory_int[p7] := 0; [L45] #memory_int[p8] := 0; [L46] #memory_int[p9] := 0; [L47] #memory_int[p10] := 0; [L73] assert #memory_int[p1] >= 0; [L74] assert #memory_int[p2] <= 0; [L75] assert #memory_int[p3] >= 0; [L76] assert #memory_int[p4] <= 0; [L77] assert #memory_int[p5] >= 0; [L78] assert #memory_int[p6] <= 0; [L79] assert #memory_int[p7] >= 0; [L80] assert #memory_int[p8] <= 0; [L81] assert #memory_int[p9] >= 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]; [L28] assume p1 < p2; [L29] assume p2 < p3; [L30] assume p3 < p4; [L31] assume p4 < p5; [L32] assume p5 < p6; [L33] assume p6 < p7; [L34] assume p7 < p8; [L35] assume p8 < p9; [L36] assume p9 < p10; [L38] #memory_int[p1] := 0; [L39] #memory_int[p2] := 0; [L40] #memory_int[p3] := 0; [L41] #memory_int[p4] := 0; [L42] #memory_int[p5] := 0; [L43] #memory_int[p6] := 0; [L44] #memory_int[p7] := 0; [L45] #memory_int[p8] := 0; [L46] #memory_int[p9] := 0; [L47] #memory_int[p10] := 0; [L73] assert #memory_int[p1] >= 0; [L74] assert #memory_int[p2] <= 0; [L75] assert #memory_int[p3] >= 0; [L76] assert #memory_int[p4] <= 0; [L77] assert #memory_int[p5] >= 0; [L78] assert #memory_int[p6] <= 0; [L79] assert #memory_int[p7] >= 0; [L80] assert #memory_int[p8] <= 0; [L81] assert #memory_int[p9] >= 0; [L82] assert #memory_int[p10] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...