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_array_oct.epf -i ../../../trunk/examples/programs/real-life/ElevatorWithSingleTransition.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:51:20,777 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:51:20,779 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:51:20,797 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-12-03 20:51:20,848 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2018-12-03 20:51:20,860 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:51:20,861 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:51:20,862 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:51:20,862 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:51:20,862 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:51:20,862 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:51:20,862 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:51:20,863 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:51:20,863 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:51:20,863 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2018-12-03 20:51:20,863 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:51:20,863 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:51:20,864 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:51:20,864 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:51:20,864 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:51:20,865 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:51:20,865 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:51:20,865 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:51:20,865 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:51:20,865 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:51:20,866 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:51:20,866 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:51:20,866 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:51:20,866 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:51:20,866 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:51:20,867 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:51:20,867 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:51:20,867 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:51:20,867 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:51:20,867 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:51:20,868 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:51:20,868 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:51:20,868 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:51:20,868 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:51:20,868 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:51:20,869 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:51:20,869 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:51:20,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:51:20,869 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:51:20,869 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:51:20,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:51:20,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:51:20,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:51:20,934 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:51:20,934 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:51:20,935 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithSingleTransition.bpl [2018-12-03 20:51:20,936 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithSingleTransition.bpl' [2018-12-03 20:51:21,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:51:21,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:51:21,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:51:21,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:51:21,012 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:51:21,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:51:20" (1/1) ... [2018-12-03 20:51:21,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:51:20" (1/1) ... [2018-12-03 20:51:21,063 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 20:51:21,063 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 20:51:21,064 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 20:51:21,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:51:21,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:51:21,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:51:21,068 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:51:21,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:51:20" (1/1) ... [2018-12-03 20:51:21,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:51:20" (1/1) ... [2018-12-03 20:51:21,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:51:20" (1/1) ... [2018-12-03 20:51:21,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:51:20" (1/1) ... [2018-12-03 20:51:21,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:51:20" (1/1) ... [2018-12-03 20:51:21,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:51:20" (1/1) ... [2018-12-03 20:51:21,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:51:20" (1/1) ... [2018-12-03 20:51:21,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:51:21,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:51:21,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:51:21,132 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:51:21,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:51:20" (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 [2018-12-03 20:51:21,214 INFO L124 BoogieDeclarations]: Specification and implementation of procedure elevator given in one single declaration [2018-12-03 20:51:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure elevator [2018-12-03 20:51:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure elevator [2018-12-03 20:51:21,470 INFO L272 CfgBuilder]: Using library mode [2018-12-03 20:51:21,471 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:51:21,471 INFO L202 PluginConnector]: Adding new model ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:51:21 BoogieIcfgContainer [2018-12-03 20:51:21,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:51:21,472 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:51:21,473 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:51:21,473 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:51:21,474 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:51:21" (1/1) ... [2018-12-03 20:51:21,533 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:51:22,807 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:51:22,841 INFO L272 AbstractInterpreter]: Visited 5 different actions 15 times. Merged at 3 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-03 20:51:22,843 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:51:22,848 INFO L168 Benchmark]: Toolchain (without parser) took 1836.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 359.4 MB). Peak memory consumption was 359.4 MB. Max. memory is 7.1 GB. [2018-12-03 20:51:22,858 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:51:22,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-12-03 20:51:22,862 INFO L168 Benchmark]: Boogie Preprocessor took 60.61 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:51:22,863 INFO L168 Benchmark]: RCFGBuilder took 339.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:51:22,865 INFO L168 Benchmark]: Abstract Interpretation took 1371.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 327.7 MB). Peak memory consumption was 327.7 MB. Max. memory is 7.1 GB. [2018-12-03 20:51:22,871 INFO L336 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 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.61 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 339.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1371.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 327.7 MB). Peak memory consumption was 327.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 119]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L94] assume inc > 0.0; [L95-L98] assume csppc == 0 && (goal == Min && current == Min && dir == Min) && (dc1pc == 0 && c2 == inc) && dc2pc == 0 && c3 == inc && current == goal; [L101] havoc inc; [L102] havoc csppc_p, dc1pc_p, dc2pc_p; [L103] havoc current_p, goal_p, dir_p; [L104] havoc c2_p, c3_p; [L105] havoc start, stop, passed, newgoal; [L106] assume inc > 0.0; [L108-L113] assume ((csppc == csppc_p && !newgoal && !start && !stop && !passed) || (csppc == 0 && csppc_p == 1 && newgoal && !start && !stop && !passed) || (csppc == 1 && csppc_p == 2 && !newgoal && start && !stop && !passed) || (csppc == 2 && csppc_p == 2 && !newgoal && !start && !stop && passed) || (csppc == 2 && csppc_p == 0 && !newgoal && !start && stop && !passed)) && ((goal == goal_p && current == current_p && dir == dir_p && !newgoal && !start && !stop && !passed) || (Min <= goal_p && goal_p <= Max && goal_p != current && current == current_p && dir == dir_p && newgoal && !start && !stop && !passed) || (goal == goal_p && current == current_p && (goal > current ==> dir_p == 1) && (goal < current ==> dir_p == -1) && !newgoal && start && !stop && !passed) || (goal == current && goal == goal_p && current == current_p && dir == dir_p && !newgoal && !start && stop && !passed) || (goal == goal_p && current == current_p + dir && dir == dir_p && !newgoal && !start && !stop && passed)) && ((dc1pc == 0 && dc1pc_p == 0 && c2_p == c2 + inc && !passed) || (dc1pc == 1 && dc1pc_p == 1 && c2_p <= 3.0 && c2_p == c2 + inc && !passed) || (dc1pc == 0 && dc1pc_p == 1 && c2_p == inc && passed && c2_p <= 3.0) || (dc1pc == 1 && dc1pc_p == 0 && c2_p == c2 + inc && c2 >= 3.0 && !passed)) && ((dc2pc == 0 && dc2pc_p == 0 && c3_p == c3 + inc && current_p == goal_p) || (dc2pc == 0 && dc2pc_p == 1 && c3_p == c3 + inc && current_p != goal_p) || (dc2pc == 1 && dc2pc_p == 1 && c3_p == c3 + inc && current_p != goal_p) || (dc2pc == 1 && dc2pc_p == 2 && c3_p == inc && current_p == goal_p && c3 < 2.0) || (dc2pc == 2 && dc2pc_p == 1 && c3_p == c3 + inc && current_p != goal_p) || (dc2pc == 2 && dc2pc_p == 2 && c3_p == c3 + inc && current_p == goal_p && c3 < 2.0 && !stop) || (dc2pc == 2 && dc2pc_p == 0 && c3_p == c3 + inc && current_p == goal_p && stop)); [L115] csppc, dc1pc, dc2pc := csppc_p, dc1pc_p, dc2pc_p; [L116] current, goal, dir := current_p, goal_p, dir_p; [L117] c2, c3 := c2_p, c2_p; [L119] assert Min <= current && current <= Max; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...