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_oct_cong.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-07 22:25:59,538 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 22:25:59,540 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 22:25:59,554 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-01-07 22:25:59,614 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_oct_cong.epf [2019-01-07 22:25:59,638 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 22:25:59,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 22:25:59,639 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 22:25:59,639 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 22:25:59,639 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 22:25:59,639 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 22:25:59,640 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 22:25:59,640 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 22:25:59,640 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 22:25:59,640 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-07 22:25:59,640 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 22:25:59,641 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 22:25:59,642 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 22:25:59,642 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 22:25:59,642 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 22:25:59,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 22:25:59,642 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 22:25:59,644 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 22:25:59,644 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 22:25:59,644 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 22:25:59,645 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 22:25:59,645 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 22:25:59,645 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 22:25:59,645 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 22:25:59,645 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 22:25:59,645 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 22:25:59,646 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 22:25:59,646 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 22:25:59,646 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 22:25:59,646 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 22:25:59,646 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 22:25:59,647 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 22:25:59,647 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 22:25:59,647 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 22:25:59,647 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 22:25:59,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 22:25:59,648 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 22:25:59,648 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 22:25:59,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 22:25:59,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 22:25:59,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 22:25:59,704 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 22:25:59,704 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 22:25:59,705 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-limited.bpl [2019-01-07 22:25:59,705 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-limited.bpl' [2019-01-07 22:25:59,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 22:25:59,749 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 22:25:59,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 22:25:59,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 22:25:59,751 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 22:25:59,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:25:59" (1/1) ... [2019-01-07 22:25:59,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:25:59" (1/1) ... [2019-01-07 22:25:59,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 22:25:59,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 22:25:59,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 22:25:59,823 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 22:25:59,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:25:59" (1/1) ... [2019-01-07 22:25:59,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:25:59" (1/1) ... [2019-01-07 22:25:59,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:25:59" (1/1) ... [2019-01-07 22:25:59,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:25:59" (1/1) ... [2019-01-07 22:25:59,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:25:59" (1/1) ... [2019-01-07 22:25:59,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:25:59" (1/1) ... [2019-01-07 22:25:59,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:25:59" (1/1) ... [2019-01-07 22:25:59,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 22:25:59,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 22:25:59,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 22:25:59,864 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 22:25:59,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:25:59" (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 22:25:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 22:25:59,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 22:26:00,379 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 22:26:00,379 INFO L286 CfgBuilder]: Removed 19 assue(true) statements. [2019-01-07 22:26:00,380 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 10:26:00 BoogieIcfgContainer [2019-01-07 22:26:00,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 22:26:00,382 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-07 22:26:00,382 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-07 22:26:00,382 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-07 22:26:00,383 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 10:26:00" (1/1) ... [2019-01-07 22:26:00,457 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 22:26:00,612 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 22:26:00,647 INFO L272 AbstractInterpreter]: Visited 26 different actions 26 times. Never merged. Never widened. Performed 71 root evaluator evaluations with a maximum evaluation depth of 3. Performed 71 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 8 different actions. Largest state had 0 variables. [2019-01-07 22:26:00,649 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-07 22:26:00,650 INFO L168 Benchmark]: Toolchain (without parser) took 901.20 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 22:26:00,652 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 22:26:00,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.01 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 22:26:00,654 INFO L168 Benchmark]: Boogie Preprocessor took 40.49 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 22:26:00,655 INFO L168 Benchmark]: RCFGBuilder took 517.42 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-01-07 22:26:00,656 INFO L168 Benchmark]: Abstract Interpretation took 267.13 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 22:26:00,662 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 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 72.01 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 40.49 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 517.42 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 267.13 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: 63]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 0; [L63] assert #memory_int[p1] >= 0; - UnprovableResult [Line: 64]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; - UnprovableResult [Line: 65]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; - UnprovableResult [Line: 66]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; - UnprovableResult [Line: 67]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; - UnprovableResult [Line: 68]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; - UnprovableResult [Line: 69]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; [L69] assert #memory_int[p7] >= 0; - UnprovableResult [Line: 70]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; [L69] assert #memory_int[p7] >= 0; [L70] assert #memory_int[p8] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...