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/BugGotoRemoval01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:18:11,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:18:11,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:18:11,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:18:11,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:18:11,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:18:11,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:18:11,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:18:11,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:18:11,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:18:11,254 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:18:11,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:18:11,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:18:11,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:18:11,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:18:11,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:18:11,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:18:11,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:18:11,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:18:11,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:18:11,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:18:11,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:18:11,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:18:11,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:18:11,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:18:11,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:18:11,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:18:11,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:18:11,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:18:11,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:18:11,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:18:11,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:18:11,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:18:11,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:18:11,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:18:11,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:18:11,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:18:11,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:18:11,282 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 12:18:11,295 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:18:11,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:18:11,297 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:18:11,297 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:18:11,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:18:11,297 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:18:11,297 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:18:11,298 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:18:11,298 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:18:11,298 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:18:11,298 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:18:11,299 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:18:11,299 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:18:11,299 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:18:11,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:18:11,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:18:11,300 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:18:11,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:18:11,301 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:18:11,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:18:11,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:18:11,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:18:11,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:18:11,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:18:11,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:18:11,302 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:18:11,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:18:11,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:18:11,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:18:11,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:18:11,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:18:11,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:18:11,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:18:11,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:18:11,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:18:11,304 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:18:11,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:18:11,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:18:11,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:18:11,305 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:18:11,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:18:11,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:18:11,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:18:11,378 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:18:11,379 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:18:11,380 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugGotoRemoval01.bpl [2019-08-05 12:18:11,380 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugGotoRemoval01.bpl' [2019-08-05 12:18:11,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:18:11,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:18:11,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:11,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:18:11,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:18:11,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:11,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:11,453 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:18:11,453 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:18:11,454 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:18:11,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:11,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:18:11,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:18:11,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:18:11,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:11,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:11,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:11,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:11,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:11,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:11,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:11,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:18:11,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:18:11,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:18:11,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:18:11,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (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 12:18:11,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:18:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:18:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:18:11,775 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: x := 3; [2019-08-05 12:18:11,777 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:18:11,777 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:18:11,781 INFO L202 PluginConnector]: Adding new model BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:11 BoogieIcfgContainer [2019-08-05 12:18:11,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:18:11,782 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:18:11,783 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:18:11,783 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:18:11,785 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:11,812 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:18:11,871 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:18:11,889 INFO L272 AbstractInterpreter]: Visited 7 different actions 8 times. Merged at 2 different actions 2 times. Never widened. Performed 8 root evaluator evaluations with a maximum evaluation depth of 1. Performed 8 inverse root evaluator evaluations with a maximum inverse evaluation depth of 1. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:18:11,890 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:18:11,893 INFO L168 Benchmark]: Toolchain (without parser) took 475.76 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 91.8 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:11,894 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:18:11,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.52 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 106.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:11,897 INFO L168 Benchmark]: Boogie Preprocessor took 23.84 ms. Allocated memory is still 134.2 MB. Free memory was 106.3 MB in the beginning and 105.4 MB in the end (delta: 933.7 kB). Peak memory consumption was 933.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:18:11,898 INFO L168 Benchmark]: RCFGBuilder took 300.15 ms. Allocated memory is still 134.2 MB. Free memory was 105.2 MB in the beginning and 97.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:11,899 INFO L168 Benchmark]: Abstract Interpretation took 107.17 ms. Allocated memory is still 134.2 MB. Free memory was 97.0 MB in the beginning and 91.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:11,904 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 134.2 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.52 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 106.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.84 ms. Allocated memory is still 134.2 MB. Free memory was 106.3 MB in the beginning and 105.4 MB in the end (delta: 933.7 kB). Peak memory consumption was 933.7 kB. Max. memory is 7.1 GB. * RCFGBuilder took 300.15 ms. Allocated memory is still 134.2 MB. Free memory was 105.2 MB in the beginning and 97.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 107.17 ms. Allocated memory is still 134.2 MB. Free memory was 97.0 MB in the beginning and 91.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 23]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L8] x := 0; [L22] x := 4; [L23] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...