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/BugRequiresGlobalVar.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:18:20,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:18:20,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:18:21,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:18:21,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:18:21,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:18:21,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:18:21,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:18:21,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:18:21,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:18:21,016 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:18:21,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:18:21,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:18:21,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:18:21,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:18:21,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:18:21,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:18:21,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:18:21,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:18:21,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:18:21,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:18:21,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:18:21,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:18:21,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:18:21,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:18:21,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:18:21,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:18:21,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:18:21,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:18:21,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:18:21,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:18:21,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:18:21,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:18:21,045 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 12:18:21,058 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:18:21,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:18:21,060 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:18:21,060 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:18:21,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:18:21,060 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:18:21,060 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:18:21,061 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:18:21,061 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:18:21,061 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:18:21,061 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:18:21,061 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:18:21,062 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:18:21,062 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:18:21,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:18:21,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:18:21,063 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:18:21,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:18:21,063 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:18:21,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:18:21,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:18:21,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:18:21,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:18:21,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:18:21,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:18:21,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:18:21,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:18:21,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:18:21,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:18:21,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:18:21,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:18:21,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:18:21,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:18:21,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:18:21,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:18:21,067 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:18:21,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:18:21,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:18:21,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:18:21,068 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:18:21,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:18:21,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:18:21,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:18:21,116 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:18:21,117 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:18:21,117 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugRequiresGlobalVar.bpl [2019-08-05 12:18:21,118 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugRequiresGlobalVar.bpl' [2019-08-05 12:18:21,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:18:21,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:18:21,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:21,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:18:21,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:18:21,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:21" (1/1) ... [2019-08-05 12:18:21,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:21" (1/1) ... [2019-08-05 12:18:21,178 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:18:21,178 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:18:21,179 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:18:21,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:21,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:18:21,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:18:21,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:18:21,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:21" (1/1) ... [2019-08-05 12:18:21,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:21" (1/1) ... [2019-08-05 12:18:21,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:21" (1/1) ... [2019-08-05 12:18:21,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:21" (1/1) ... [2019-08-05 12:18:21,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:21" (1/1) ... [2019-08-05 12:18:21,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:21" (1/1) ... [2019-08-05 12:18:21,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:21" (1/1) ... [2019-08-05 12:18:21,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:18:21,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:18:21,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:18:21,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:18:21,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:21" (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 12:18:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure increment2 [2019-08-05 12:18:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:18:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:18:21,494 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:18:21,495 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 12:18:21,496 INFO L202 PluginConnector]: Adding new model BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:21 BoogieIcfgContainer [2019-08-05 12:18:21,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:18:21,498 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:18:21,498 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:18:21,498 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:18:21,499 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:21" (1/1) ... [2019-08-05 12:18:21,531 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:18:21,628 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:18:21,645 INFO L272 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Performed 16 root evaluator evaluations with a maximum evaluation depth of 3. Performed 16 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:18:21,646 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:18:21,649 INFO L168 Benchmark]: Toolchain (without parser) took 503.65 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 88.7 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:21,650 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 107.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:18:21,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.33 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 104.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:21,653 INFO L168 Benchmark]: Boogie Preprocessor took 17.52 ms. Allocated memory is still 140.5 MB. Free memory was 104.2 MB in the beginning and 103.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:21,654 INFO L168 Benchmark]: RCFGBuilder took 286.17 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 94.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:21,655 INFO L168 Benchmark]: Abstract Interpretation took 148.43 ms. Allocated memory is still 140.5 MB. Free memory was 94.5 MB in the beginning and 88.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:21,660 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 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 107.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.33 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 104.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.52 ms. Allocated memory is still 140.5 MB. Free memory was 104.2 MB in the beginning and 103.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 286.17 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 94.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 148.43 ms. Allocated memory is still 140.5 MB. Free memory was 94.5 MB in the beginning and 88.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 15]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] g := 2; [L21-L23] requires g == 2; [L21-L22] modifies g; [L21-L24] ensures g == old(g) + 1; [L21-L25] ensures g == 3; [L15] assert g == 0; - PositiveResult [Line: 21]: procedure precondition always holds and assertion always holds For all program executions holds that procedure precondition always holds and assertion always holds at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...