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/recursive/Goa2Threads2Ressources.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:53,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:53,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:53,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:17:53,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:17:53,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:17:53,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:17:53,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:17:53,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:17:53,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:17:53,920 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:17:53,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:17:53,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:17:53,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:17:53,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:17:53,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:17:53,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:17:53,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:17:53,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:17:53,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:17:53,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:17:53,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:17:53,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:17:53,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:17:53,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:17:53,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:17:53,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:17:53,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:17:53,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:17:53,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:17:53,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:17:53,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:17:53,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:17:53,959 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 12:17:53,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:53,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:53,974 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:53,975 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:53,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:53,975 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:53,975 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:53,975 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:53,976 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:53,976 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:53,976 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:53,976 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:53,976 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:53,977 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:53,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:53,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:53,978 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:53,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:53,978 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:53,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:53,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:53,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:53,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:53,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:53,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:53,980 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:53,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:53,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:53,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:53,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:53,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:53,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:53,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:53,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:53,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:53,982 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:53,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:53,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:53,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:53,982 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:54,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:54,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:54,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:54,040 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:54,040 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:54,041 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/Goa2Threads2Ressources.bpl [2019-08-05 12:17:54,041 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/Goa2Threads2Ressources.bpl' [2019-08-05 12:17:54,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:54,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:54,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:54,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:54,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:54,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,123 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:17:54,123 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:17:54,123 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:17:54,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:54,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:54,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:54,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:54,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:54,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:54,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:54,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:54,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (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 12:17:54,302 INFO L130 BoogieDeclarations]: Found specification of procedure Thread2 [2019-08-05 12:17:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread2 [2019-08-05 12:17:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure Thread1 [2019-08-05 12:17:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread1 [2019-08-05 12:17:55,451 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint Thread1FINAL: assume true; [2019-08-05 12:17:55,453 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:17:55,453 INFO L283 CfgBuilder]: Removed 23 assume(true) statements. [2019-08-05 12:17:55,454 INFO L202 PluginConnector]: Adding new model Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:55 BoogieIcfgContainer [2019-08-05 12:17:55,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:55,455 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:55,455 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:55,456 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:55,456 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:55" (1/1) ... [2019-08-05 12:17:55,490 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:56,220 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:56,240 INFO L272 AbstractInterpreter]: Visited 268 different actions 1757 times. Merged at 209 different actions 673 times. Widened at 54 different actions 80 times. Performed 5715 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5715 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 823 fixpoints after 174 different actions. Largest state had 0 variables. [2019-08-05 12:17:56,240 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:56,244 INFO L168 Benchmark]: Toolchain (without parser) took 2157.00 ms. Allocated memory was 138.9 MB in the beginning and 179.3 MB in the end (delta: 40.4 MB). Free memory was 104.6 MB in the beginning and 102.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:56,245 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:17:56,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.56 ms. Allocated memory is still 138.9 MB. Free memory was 104.6 MB in the beginning and 102.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:56,246 INFO L168 Benchmark]: Boogie Preprocessor took 71.23 ms. Allocated memory is still 138.9 MB. Free memory was 102.1 MB in the beginning and 100.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:56,247 INFO L168 Benchmark]: RCFGBuilder took 1225.15 ms. Allocated memory is still 138.9 MB. Free memory was 100.0 MB in the beginning and 65.5 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:56,249 INFO L168 Benchmark]: Abstract Interpretation took 785.35 ms. Allocated memory was 138.9 MB in the beginning and 179.3 MB in the end (delta: 40.4 MB). Free memory was 65.1 MB in the beginning and 102.2 MB in the end (delta: -37.1 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:56,254 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 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.56 ms. Allocated memory is still 138.9 MB. Free memory was 104.6 MB in the beginning and 102.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.23 ms. Allocated memory is still 138.9 MB. Free memory was 102.1 MB in the beginning and 100.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1225.15 ms. Allocated memory is still 138.9 MB. Free memory was 100.0 MB in the beginning and 65.5 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 785.35 ms. Allocated memory was 138.9 MB in the beginning and 179.3 MB in the end (delta: 40.4 MB). Free memory was 65.1 MB in the beginning and 102.2 MB in the end (delta: -37.1 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 67]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L26] ressource1 := 0; [L27] ressource2 := 0; [L29] lock1 := 0; [L30] lock2 := 0; [L31] pc := 0; [L90] COND TRUE pc == 0 [L126] assume lock2 == 0; [L127] lock2 := 2; [L133] ressource2 := 1; [L137] pc := 23; [L61] assume lock2 == 0; [L62] lock2 := 1; [L67] assert ressource2 == 0; - UnprovableResult [Line: 48]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L26] ressource1 := 0; [L27] ressource2 := 0; [L29] lock1 := 0; [L30] lock2 := 0; [L31] pc := 0; [L90] COND TRUE pc == 0 [L107] assume lock1 == 0; [L108] lock1 := 2; [L114] ressource1 := 1; [L118] pc := 13; [L42] assume lock1 == 0; [L43] lock1 := 1; [L48] assert ressource1 == 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...