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/real-life/DraegerElevator-FSEN2007.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:59:40,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:59:40,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:59:40,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:59:40,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:59:40,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:59:40,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:59:40,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:59:40,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:59:40,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:59:40,799 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:59:40,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:59:40,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:59:40,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:59:40,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:59:40,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:59:40,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:59:40,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:59:40,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:59:40,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:59:40,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:59:40,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:59:40,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:59:40,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:59:40,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:59:40,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:59:40,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:59:40,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:59:40,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:59:40,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:59:40,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:59:40,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:59:40,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:59:40,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:59:40,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:59:40,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:59:40,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:59:40,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:59:40,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:59:40,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:59:40,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:59:40,829 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 21:59:40,843 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 21:59:40,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 21:59:40,844 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 21:59:40,844 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 21:59:40,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 21:59:40,845 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 21:59:40,845 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 21:59:40,845 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 21:59:40,845 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 21:59:40,846 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 21:59:40,846 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 21:59:40,846 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 21:59:40,846 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 21:59:40,846 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 21:59:40,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 21:59:40,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 21:59:40,848 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 21:59:40,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 21:59:40,848 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 21:59:40,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 21:59:40,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 21:59:40,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 21:59:40,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 21:59:40,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 21:59:40,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 21:59:40,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 21:59:40,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 21:59:40,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 21:59:40,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 21:59:40,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 21:59:40,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 21:59:40,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 21:59:40,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 21:59:40,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 21:59:40,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 21:59:40,852 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 21:59:40,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 21:59:40,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 21:59:40,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 21:59:40,852 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 21:59:40,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:59:40,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:59:40,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:59:40,911 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:59:40,911 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:59:40,912 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/DraegerElevator-FSEN2007.bpl [2019-08-04 21:59:40,913 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/DraegerElevator-FSEN2007.bpl' [2019-08-04 21:59:40,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:59:40,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 21:59:40,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 21:59:40,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 21:59:40,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 21:59:40,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:40,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:40,991 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-04 21:59:40,992 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-04 21:59:40,995 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-04 21:59:40,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 21:59:40,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:59:40,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:59:40,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:59:41,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:41,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:41,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:41,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:41,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:41,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:41,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:41,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:59:41,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:59:41,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:59:41,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:59:41,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (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 21:59:41,112 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 21:59:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 21:59:41,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 21:59:41,512 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:59:41,513 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:59:41,514 INFO L202 PluginConnector]: Adding new model DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:59:41 BoogieIcfgContainer [2019-08-04 21:59:41,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:59:41,515 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 21:59:41,515 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 21:59:41,516 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 21:59:41,517 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:59:41" (1/1) ... [2019-08-04 21:59:41,547 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 21:59:41,751 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 21:59:41,773 INFO L272 AbstractInterpreter]: Visited 26 different actions 62 times. Merged at 10 different actions 24 times. Never widened. Performed 193 root evaluator evaluations with a maximum evaluation depth of 3. Performed 193 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 20 fixpoints after 11 different actions. Largest state had 0 variables. [2019-08-04 21:59:41,776 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 21:59:41,779 INFO L168 Benchmark]: Toolchain (without parser) took 823.84 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 85.1 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:41,781 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 109.6 MB in the beginning and 109.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-04 21:59:41,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.04 ms. Allocated memory is still 134.2 MB. Free memory was 108.1 MB in the beginning and 106.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:41,786 INFO L168 Benchmark]: Boogie Preprocessor took 34.25 ms. Allocated memory is still 134.2 MB. Free memory was 106.3 MB in the beginning and 105.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:41,787 INFO L168 Benchmark]: RCFGBuilder took 481.47 ms. Allocated memory is still 134.2 MB. Free memory was 105.2 MB in the beginning and 93.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:41,789 INFO L168 Benchmark]: Abstract Interpretation took 260.76 ms. Allocated memory is still 134.2 MB. Free memory was 93.7 MB in the beginning and 85.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:41,796 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 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 109.6 MB in the beginning and 109.3 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 43.04 ms. Allocated memory is still 134.2 MB. Free memory was 108.1 MB in the beginning and 106.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.25 ms. Allocated memory is still 134.2 MB. Free memory was 106.3 MB in the beginning and 105.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 481.47 ms. Allocated memory is still 134.2 MB. Free memory was 105.2 MB in the beginning and 93.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 260.76 ms. Allocated memory is still 134.2 MB. Free memory was 93.7 MB in the beginning and 85.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 10]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L4] assume current <= max; [L5] assume input <= max; [L7] pc := 0; [L10] invariant current <= max; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...