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/regression/bpl/interprocedural/BugLocalVarTwiceInInterproceduralBlock.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:18:25,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:18:25,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:18:25,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:18:25,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:18:25,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:18:26,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:18:26,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:18:26,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:18:26,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:18:26,014 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:18:26,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:18:26,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:18:26,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:18:26,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:18:26,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:18:26,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:18:26,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:18:26,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:18:26,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:18:26,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:18:26,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:18:26,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:18:26,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:18:26,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:18:26,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:18:26,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:18:26,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:18:26,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:18:26,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:18:26,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:18:26,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:18:26,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:18:26,061 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 12:18:26,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:18:26,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:18:26,091 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:18:26,091 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:18:26,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:18:26,092 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:18:26,092 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:18:26,092 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:18:26,092 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:18:26,093 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:18:26,093 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:18:26,093 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:18:26,093 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:18:26,093 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:18:26,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:18:26,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:18:26,095 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:18:26,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:18:26,095 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:18:26,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:18:26,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:18:26,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:18:26,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:18:26,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:18:26,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:18:26,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:18:26,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:18:26,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:18:26,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:18:26,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:18:26,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:18:26,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:18:26,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:18:26,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:18:26,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:18:26,099 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:18:26,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:18:26,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:18:26,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:18:26,100 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:18:26,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:18:26,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:18:26,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:18:26,147 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:18:26,147 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:18:26,148 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugLocalVarTwiceInInterproceduralBlock.bpl [2019-08-05 12:18:26,148 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugLocalVarTwiceInInterproceduralBlock.bpl' [2019-08-05 12:18:26,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:18:26,183 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:18:26,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:26,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:18:26,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:18:26,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:26" (1/1) ... [2019-08-05 12:18:26,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:26" (1/1) ... [2019-08-05 12:18:26,219 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:18:26,219 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:18:26,219 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:18:26,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:26,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:18:26,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:18:26,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:18:26,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:26" (1/1) ... [2019-08-05 12:18:26,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:26" (1/1) ... [2019-08-05 12:18:26,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:26" (1/1) ... [2019-08-05 12:18:26,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:26" (1/1) ... [2019-08-05 12:18:26,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:26" (1/1) ... [2019-08-05 12:18:26,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:26" (1/1) ... [2019-08-05 12:18:26,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:26" (1/1) ... [2019-08-05 12:18:26,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:18:26,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:18:26,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:18:26,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:18:26,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:26" (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 12:18:26,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure doNothing given in one single declaration [2019-08-05 12:18:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure doNothing [2019-08-05 12:18:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure doNothing [2019-08-05 12:18:26,329 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:18:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:18:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:18:26,513 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:18:26,513 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-05 12:18:26,515 INFO L202 PluginConnector]: Adding new model BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:26 BoogieIcfgContainer [2019-08-05 12:18:26,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:18:26,516 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:18:26,516 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:18:26,516 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:18:26,517 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "BugLocalVarTwiceInInterproceduralBlock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:26" (1/1) ... [2019-08-05 12:18:26,544 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:18:26,609 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:18:26,629 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 12 root evaluator evaluations with a maximum evaluation depth of 3. Performed 12 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:18:26,629 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:18:26,632 INFO L168 Benchmark]: Toolchain (without parser) took 448.16 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 89.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:26,633 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:18:26,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.07 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 104.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:26,636 INFO L168 Benchmark]: Boogie Preprocessor took 18.33 ms. Allocated memory is still 140.5 MB. Free memory was 104.4 MB in the beginning and 103.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:26,637 INFO L168 Benchmark]: RCFGBuilder took 264.36 ms. Allocated memory is still 140.5 MB. Free memory was 103.2 MB in the beginning and 94.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:26,638 INFO L168 Benchmark]: Abstract Interpretation took 113.40 ms. Allocated memory is still 140.5 MB. Free memory was 94.7 MB in the beginning and 89.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:26,644 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 140.5 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.07 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 104.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.33 ms. Allocated memory is still 140.5 MB. Free memory was 104.4 MB in the beginning and 103.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 264.36 ms. Allocated memory is still 140.5 MB. Free memory was 103.2 MB in the beginning and 94.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 113.40 ms. Allocated memory is still 140.5 MB. Free memory was 94.7 MB in the beginning and 89.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 20]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L16] g := 23; [L27] assume x == g; [L18] g := 42; [L27] assume x == g; [L20] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...