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_compound_oct_cong.epf -i ../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:19:37,967 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:19:37,969 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:19:37,982 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:19:37,983 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:19:37,984 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:19:37,985 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:19:37,988 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:19:37,990 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:19:37,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:19:37,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 20:19:38,022 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf [2018-12-03 20:19:38,037 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:19:38,037 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:19:38,038 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:19:38,039 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:19:38,039 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:19:38,039 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:19:38,039 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:19:38,039 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:19:38,040 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:19:38,040 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:19:38,040 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:19:38,040 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:19:38,040 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:19:38,041 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:19:38,041 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:19:38,042 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:19:38,042 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:19:38,042 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:19:38,042 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:19:38,042 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:19:38,043 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:19:38,043 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:19:38,043 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:19:38,043 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:19:38,043 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:19:38,044 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:19:38,044 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:19:38,044 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:19:38,044 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:19:38,045 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:19:38,045 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:19:38,045 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:19:38,045 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:19:38,046 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:19:38,046 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:19:38,046 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:19:38,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:19:38,046 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:19:38,047 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:19:38,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:19:38,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:19:38,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:19:38,104 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:19:38,105 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:19:38,106 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-12-03 20:19:38,106 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-12-03 20:19:38,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:19:38,172 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:19:38,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:19:38,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:19:38,174 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:19:38,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:38,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:38,224 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 20:19:38,224 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 20:19:38,225 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 20:19:38,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:19:38,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:19:38,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:19:38,230 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:19:38,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:38,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:38,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:38,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:38,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:38,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:38,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:38,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:19:38,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:19:38,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:19:38,281 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:19:38,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:38" (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 20:19:38,364 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-12-03 20:19:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-12-03 20:19:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-12-03 20:19:38,985 INFO L272 CfgBuilder]: Using library mode [2018-12-03 20:19:38,986 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:19:38,987 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:19:38 BoogieIcfgContainer [2018-12-03 20:19:38,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:19:38,988 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:19:38,988 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:19:38,988 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:19:38,989 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:39,052 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:19:40,779 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:19:40,803 INFO L272 AbstractInterpreter]: Visited 53 different actions 585 times. Merged at 42 different actions 278 times. Widened at 3 different actions 7 times. Found 166 fixpoints after 33 different actions. Largest state had 0 variables. [2018-12-03 20:19:40,806 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:19:40,807 INFO L168 Benchmark]: Toolchain (without parser) took 2636.32 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: 348.8 MB). Peak memory consumption was 348.8 MB. Max. memory is 7.1 GB. [2018-12-03 20:19:40,809 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 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 20:19:40,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.67 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 20:19:40,811 INFO L168 Benchmark]: Boogie Preprocessor took 51.93 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 20:19:40,812 INFO L168 Benchmark]: RCFGBuilder took 706.18 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:19:40,813 INFO L168 Benchmark]: Abstract Interpretation took 1818.16 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 20:19:40,819 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 0.26 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 54.67 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 Preprocessor took 51.93 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. * RCFGBuilder took 706.18 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1818.16 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: 48]: 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: [L36] assume min < max; [L37] goal := min; [L38] current := min; [L39] dir := 0; [L40] c2 := 0; [L41] c3 := 0; [L42] qCSP := 1; [L43] qDC1 := 1; [L44] qDC2 := 1; [L48-L55] invariant min <= current && current <= max; [L58] havoc newgoal; [L59] havoc start; [L60] havoc stop; [L61] havoc passed; [L63] havoc timeIncrease; [L64] assume timeIncrease >= 0; [L65] c2 := c2 + timeIncrease; [L66] c3 := c3 + timeIncrease; [L67] COND FALSE !(qDC1 == 2) [L70] COND FALSE !(qDC2 == 3) [L77] COND FALSE !(qCSP == 1 && !newgoal && !start && !stop && !passed) [L79] COND TRUE qCSP == 1 && newgoal && !start && !stop && !passed [L80] qCSP := 2; [L99] COND FALSE !(!newgoal && !start && !stop && !passed) [L101] COND TRUE newgoal && !start && !stop && !passed [L102] havoc goal; [L103] assume min <= goal; [L104] assume goal <= max; [L105] assume goal != current; [L123] COND FALSE !(qDC1 == 1 && passed) [L127] COND TRUE qDC1 == 1 && !passed [L141] COND TRUE qDC2 == 1 && current == goal [L48-L55] invariant min <= current && current <= max; [L58] havoc newgoal; [L59] havoc start; [L60] havoc stop; [L61] havoc passed; [L63] havoc timeIncrease; [L64] assume timeIncrease >= 0; [L65] c2 := c2 + timeIncrease; [L66] c3 := c3 + timeIncrease; [L67] COND FALSE !(qDC1 == 2) [L70] COND FALSE !(qDC2 == 3) [L77] COND FALSE !(qCSP == 1 && !newgoal && !start && !stop && !passed) [L79] COND FALSE !(qCSP == 1 && newgoal && !start && !stop && !passed) [L82] COND FALSE !(qCSP == 2 && !newgoal && !start && !stop && !passed) [L84] COND TRUE qCSP == 2 && !newgoal && start && !stop && !passed [L85] qCSP := 3; [L99] COND TRUE !newgoal && !start && !stop && !passed [L123] COND FALSE !(qDC1 == 1 && passed) [L127] COND TRUE qDC1 == 1 && !passed [L141] COND TRUE qDC2 == 1 && current == goal [L48-L55] invariant min <= current && current <= max; [L58] havoc newgoal; [L59] havoc start; [L60] havoc stop; [L61] havoc passed; [L63] havoc timeIncrease; [L64] assume timeIncrease >= 0; [L65] c2 := c2 + timeIncrease; [L66] c3 := c3 + timeIncrease; [L67] COND FALSE !(qDC1 == 2) [L70] COND FALSE !(qDC2 == 3) [L77] COND FALSE !(qCSP == 1 && !newgoal && !start && !stop && !passed) [L79] COND FALSE !(qCSP == 1 && newgoal && !start && !stop && !passed) [L82] COND FALSE !(qCSP == 2 && !newgoal && !start && !stop && !passed) [L84] COND FALSE !(qCSP == 2 && !newgoal && start && !stop && !passed) [L87] COND FALSE !(qCSP == 3 && !newgoal && !start && !stop && !passed) [L89] COND TRUE qCSP == 3 && !newgoal && !start && !stop && passed [L99] COND FALSE !(!newgoal && !start && !stop && !passed) [L101] COND FALSE !(newgoal && !start && !stop && !passed) [L107] COND FALSE !(!newgoal && start && !stop && !passed) [L112] COND FALSE !(!newgoal && !start && stop && !passed) [L115] COND TRUE !newgoal && !start && !stop && passed [L116] current := current + dir; [L123] COND TRUE qDC1 == 1 && passed [L124] c2 := 0; [L125] qDC1 := 2; [L141] COND FALSE !(qDC2 == 1 && current == goal) [L143] COND TRUE qDC2 == 1 && current != goal [L144] qDC2 := 2; [L48-L55] invariant min <= current && current <= max; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...