java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/abstractInterpretation/regression/eq/35a_twodimensional_array.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:08,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:08,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:08,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:19:08,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:19:08,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:19:08,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:19:08,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:19:08,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:19:08,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:19:08,030 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:19:08,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-08-05 12:19:08,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:19:08,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:19:08,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:19:08,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:19:08,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:19:08,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:19:08,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:19:08,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:19:08,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:19:08,074 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:08,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:08,075 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:08,076 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:08,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:08,076 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:08,076 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:08,077 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:08,077 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:08,077 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:08,077 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:08,077 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:08,078 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:08,078 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:08,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:08,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:08,079 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:08,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:08,079 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:08,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:08,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:08,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:08,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:08,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:08,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:08,081 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:08,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:08,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:08,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:08,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:08,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:08,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:08,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:08,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:08,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:08,083 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:08,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:08,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:08,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:08,084 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:08,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:08,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:08,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:08,143 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:08,143 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:08,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/35a_twodimensional_array.bpl [2019-08-05 12:19:08,145 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/35a_twodimensional_array.bpl' [2019-08-05 12:19:08,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:08,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:08,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:08,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:08,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:08,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:08" (1/1) ... [2019-08-05 12:19:08,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:08" (1/1) ... [2019-08-05 12:19:08,222 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:19:08,222 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:19:08,223 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:19:08,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:08,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:08,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:08,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:08,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:08" (1/1) ... [2019-08-05 12:19:08,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:08" (1/1) ... [2019-08-05 12:19:08,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:08" (1/1) ... [2019-08-05 12:19:08,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:08" (1/1) ... [2019-08-05 12:19:08,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:08" (1/1) ... [2019-08-05 12:19:08,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:08" (1/1) ... [2019-08-05 12:19:08,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:08" (1/1) ... [2019-08-05 12:19:08,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:08,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:08,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:08,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:08,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-05 12:19:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:19:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:19:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure freemem [2019-08-05 12:19:08,510 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:19:08,510 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-05 12:19:08,511 INFO L202 PluginConnector]: Adding new model 35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:08 BoogieIcfgContainer [2019-08-05 12:19:08,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:08,512 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:08,513 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:08,513 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:08,514 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "35a_twodimensional_array.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:08" (1/1) ... [2019-08-05 12:19:08,545 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:08,631 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:08,653 INFO L272 AbstractInterpreter]: Visited 4 different actions 4 times. Never merged. Never widened. Performed 40 root evaluator evaluations with a maximum evaluation depth of 3. Performed 40 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:19:08,653 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:08,656 INFO L168 Benchmark]: Toolchain (without parser) took 473.60 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 87.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:08,657 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:19:08,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.97 ms. Allocated memory is still 132.6 MB. Free memory was 106.3 MB in the beginning and 104.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:08,660 INFO L168 Benchmark]: Boogie Preprocessor took 21.35 ms. Allocated memory is still 132.6 MB. Free memory was 104.2 MB in the beginning and 102.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:08,661 INFO L168 Benchmark]: RCFGBuilder took 250.64 ms. Allocated memory is still 132.6 MB. Free memory was 102.9 MB in the beginning and 93.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:08,663 INFO L168 Benchmark]: Abstract Interpretation took 141.02 ms. Allocated memory is still 132.6 MB. Free memory was 93.4 MB in the beginning and 87.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:08,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.97 ms. Allocated memory is still 132.6 MB. Free memory was 106.3 MB in the beginning and 104.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.35 ms. Allocated memory is still 132.6 MB. Free memory was 104.2 MB in the beginning and 102.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 250.64 ms. Allocated memory is still 132.6 MB. Free memory was 102.9 MB in the beginning and 93.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 141.02 ms. Allocated memory is still 132.6 MB. Free memory was 93.4 MB in the beginning and 87.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 27]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L30-L31] modifies valid; [L30-L32] ensures old(valid)[base] == 0; [L30-L33] ensures valid == old(valid)[base := 1]; [L30-L34] ensures offset == 0; [L20] mem[p.base,p.offset] := 12; [L30-L31] modifies valid; [L30-L32] ensures old(valid)[base] == 0; [L30-L33] ensures valid == old(valid)[base := 1]; [L30-L34] ensures offset == 0; [L23] mem[q.base,q.offset] := 7; [L36-L37] modifies valid; [L36-L38] ensures valid == old(valid)[base := 0]; [L25] havoc q.base; [L27] assert mem[p.base,p.offset] == 12; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...