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/toy/tooDifficultLoopInvariant/Sandman01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 22:00:44,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 22:00:44,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 22:00:44,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 22:00:44,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 22:00:44,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 22:00:44,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 22:00:44,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 22:00:44,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 22:00:44,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 22:00:44,944 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 22:00:44,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 22:00:44,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 22:00:44,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 22:00:44,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 22:00:44,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 22:00:44,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 22:00:44,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 22:00:44,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 22:00:44,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 22:00:44,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 22:00:44,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 22:00:44,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 22:00:44,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 22:00:44,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 22:00:44,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 22:00:44,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 22:00:44,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 22:00:44,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 22:00:44,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 22:00:44,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 22:00:44,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 22:00:44,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 22:00:44,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 22:00:44,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 22:00:44,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 22:00:44,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 22:00:44,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 22:00:44,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 22:00:44,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 22:00:44,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 22:00:44,992 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 [2019-08-04 22:00:45,014 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 22:00:45,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 22:00:45,016 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 22:00:45,016 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 22:00:45,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 22:00:45,017 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 22:00:45,017 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 22:00:45,017 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 22:00:45,017 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 22:00:45,018 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 22:00:45,018 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 22:00:45,018 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 22:00:45,018 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 22:00:45,019 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 22:00:45,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 22:00:45,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 22:00:45,020 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 22:00:45,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 22:00:45,023 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 22:00:45,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 22:00:45,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 22:00:45,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 22:00:45,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 22:00:45,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 22:00:45,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 22:00:45,025 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 22:00:45,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 22:00:45,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 22:00:45,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 22:00:45,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 22:00:45,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 22:00:45,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 22:00:45,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 22:00:45,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 22:00:45,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 22:00:45,027 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 22:00:45,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 22:00:45,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 22:00:45,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 22:00:45,029 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 22:00:45,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 22:00:45,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 22:00:45,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 22:00:45,100 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 22:00:45,101 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 22:00:45,102 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl [2019-08-04 22:00:45,102 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl' [2019-08-04 22:00:45,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 22:00:45,138 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 22:00:45,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:45,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 22:00:45,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 22:00:45,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:45" (1/1) ... [2019-08-04 22:00:45,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:45" (1/1) ... [2019-08-04 22:00:45,175 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-04 22:00:45,175 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-04 22:00:45,175 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-04 22:00:45,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:45,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 22:00:45,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 22:00:45,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 22:00:45,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:45" (1/1) ... [2019-08-04 22:00:45,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:45" (1/1) ... [2019-08-04 22:00:45,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:45" (1/1) ... [2019-08-04 22:00:45,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:45" (1/1) ... [2019-08-04 22:00:45,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:45" (1/1) ... [2019-08-04 22:00:45,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:45" (1/1) ... [2019-08-04 22:00:45,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:45" (1/1) ... [2019-08-04 22:00:45,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 22:00:45,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 22:00:45,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 22:00:45,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 22:00:45,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:45" (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 [2019-08-04 22:00:45,278 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 22:00:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 22:00:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 22:00:45,528 INFO L275 CfgBuilder]: Using library mode [2019-08-04 22:00:45,528 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 22:00:45,530 INFO L202 PluginConnector]: Adding new model Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:45 BoogieIcfgContainer [2019-08-04 22:00:45,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 22:00:45,531 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 22:00:45,531 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 22:00:45,532 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 22:00:45,533 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:45" (1/1) ... [2019-08-04 22:00:45,567 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 22:00:45,642 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 22:00:45,663 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Performed 16 root evaluator evaluations with a maximum evaluation depth of 5. Performed 16 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-04 22:00:45,663 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 22:00:45,666 INFO L168 Benchmark]: Toolchain (without parser) took 527.65 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 87.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:45,667 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 22:00:45,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.22 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 103.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:45,670 INFO L168 Benchmark]: Boogie Preprocessor took 23.67 ms. Allocated memory is still 140.0 MB. Free memory was 103.8 MB in the beginning and 103.0 MB in the end (delta: 857.4 kB). Peak memory consumption was 857.4 kB. Max. memory is 7.1 GB. [2019-08-04 22:00:45,671 INFO L168 Benchmark]: RCFGBuilder took 328.09 ms. Allocated memory is still 140.0 MB. Free memory was 102.6 MB in the beginning and 93.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:45,672 INFO L168 Benchmark]: Abstract Interpretation took 132.82 ms. Allocated memory is still 140.0 MB. Free memory was 93.5 MB in the beginning and 87.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:45,676 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 140.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.22 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 103.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.67 ms. Allocated memory is still 140.0 MB. Free memory was 103.8 MB in the beginning and 103.0 MB in the end (delta: 857.4 kB). Peak memory consumption was 857.4 kB. Max. memory is 7.1 GB. * RCFGBuilder took 328.09 ms. Allocated memory is still 140.0 MB. Free memory was 102.6 MB in the beginning and 93.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 132.82 ms. Allocated memory is still 140.0 MB. Free memory was 93.5 MB in the beginning and 87.7 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: 30]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L21] a[x] := 0; [L22] a[y] := 1000; [L29] COND TRUE x > y && a[x] == 1000 [L30] assert a[y] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...