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_array_oct.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-unlimited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb97592 [2018-12-19 22:47:47,790 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-19 22:47:47,793 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-19 22:47:47,805 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-19 22:47:47,805 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-19 22:47:47,806 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-19 22:47:47,808 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-19 22:47:47,809 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-19 22:47:47,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-19 22:47:47,812 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-19 22:47:47,813 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-19 22:47:47,844 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2018-12-19 22:47:47,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-19 22:47:47,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-19 22:47:47,869 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-19 22:47:47,870 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-19 22:47:47,870 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-19 22:47:47,870 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-19 22:47:47,870 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-19 22:47:47,870 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-19 22:47:47,871 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-19 22:47:47,871 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2018-12-19 22:47:47,871 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-19 22:47:47,871 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-19 22:47:47,871 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-19 22:47:47,873 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-19 22:47:47,873 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-19 22:47:47,873 INFO L133 SettingsManager]: * Use SBE=true [2018-12-19 22:47:47,873 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-19 22:47:47,873 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-19 22:47:47,874 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-19 22:47:47,874 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-19 22:47:47,874 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-19 22:47:47,874 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-19 22:47:47,874 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-19 22:47:47,876 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-19 22:47:47,876 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-19 22:47:47,876 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-19 22:47:47,877 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-19 22:47:47,877 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-19 22:47:47,877 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-19 22:47:47,877 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-19 22:47:47,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-19 22:47:47,878 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-19 22:47:47,878 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-19 22:47:47,878 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-19 22:47:47,878 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-19 22:47:47,878 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-19 22:47:47,879 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-19 22:47:47,879 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-19 22:47:47,879 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-19 22:47:47,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-19 22:47:47,934 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-19 22:47:47,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-19 22:47:47,938 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-19 22:47:47,939 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-19 22:47:47,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-unlimited.bpl [2018-12-19 22:47:47,940 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-unlimited.bpl' [2018-12-19 22:47:47,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-19 22:47:47,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-19 22:47:47,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-19 22:47:47,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-19 22:47:47,989 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-19 22:47:48,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 10:47:47" (1/1) ... [2018-12-19 22:47:48,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 10:47:47" (1/1) ... [2018-12-19 22:47:48,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-19 22:47:48,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-19 22:47:48,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-19 22:47:48,064 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-19 22:47:48,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 10:47:47" (1/1) ... [2018-12-19 22:47:48,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 10:47:47" (1/1) ... [2018-12-19 22:47:48,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 10:47:47" (1/1) ... [2018-12-19 22:47:48,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 10:47:47" (1/1) ... [2018-12-19 22:47:48,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 10:47:47" (1/1) ... [2018-12-19 22:47:48,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 10:47:47" (1/1) ... [2018-12-19 22:47:48,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 10:47:47" (1/1) ... [2018-12-19 22:47:48,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-19 22:47:48,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-19 22:47:48,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-19 22:47:48,093 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-19 22:47:48,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 10:47:47" (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 [2018-12-19 22:47:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-19 22:47:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-19 22:47:49,396 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-19 22:47:49,396 INFO L280 CfgBuilder]: Removed 19 assue(true) statements. [2018-12-19 22:47:49,396 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 10:47:49 BoogieIcfgContainer [2018-12-19 22:47:49,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-19 22:47:49,397 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-19 22:47:49,398 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-19 22:47:49,398 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-19 22:47:49,401 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 10:47:49" (1/1) ... [2018-12-19 22:47:49,452 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-19 22:47:58,081 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-19 22:47:58,117 INFO L272 AbstractInterpreter]: Visited 26 different actions 26 times. Never merged. Never widened. Found 8 fixpoints after 8 different actions. Largest state had 0 variables. [2018-12-19 22:47:58,119 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-19 22:47:58,120 INFO L168 Benchmark]: Toolchain (without parser) took 10133.38 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 24.6 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 292.4 MB). Peak memory consumption was 485.9 MB. Max. memory is 7.1 GB. [2018-12-19 22:47:58,123 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-12-19 22:47:58,124 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.56 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. [2018-12-19 22:47:58,125 INFO L168 Benchmark]: Boogie Preprocessor took 28.67 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. [2018-12-19 22:47:58,125 INFO L168 Benchmark]: RCFGBuilder took 1304.04 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. [2018-12-19 22:47:58,126 INFO L168 Benchmark]: Abstract Interpretation took 8721.56 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 24.6 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 250.1 MB). Peak memory consumption was 443.6 MB. Max. memory is 7.1 GB. [2018-12-19 22:47:58,133 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 0.22 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 74.56 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 28.67 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 1304.04 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. * Abstract Interpretation took 8721.56 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 24.6 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 250.1 MB). Peak memory consumption was 443.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - 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: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 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: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 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: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 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: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 0; [L58] assert #memory_int[p4] <= 0; - UnprovableResult [Line: 59]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 0; [L58] assert #memory_int[p4] <= 0; [L59] assert #memory_int[p5] >= 0; - UnprovableResult [Line: 60]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 0; [L58] assert #memory_int[p4] <= 0; [L59] assert #memory_int[p5] >= 0; [L60] assert #memory_int[p6] <= 0; - UnprovableResult [Line: 61]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 0; [L58] assert #memory_int[p4] <= 0; [L59] assert #memory_int[p5] >= 0; [L60] assert #memory_int[p6] <= 0; [L61] assert #memory_int[p7] >= 0; - UnprovableResult [Line: 62]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 0; [L58] assert #memory_int[p4] <= 0; [L59] assert #memory_int[p5] >= 0; [L60] assert #memory_int[p6] <= 0; [L61] assert #memory_int[p7] >= 0; [L62] assert #memory_int[p8] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...