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/regression/bpl/CTL/encT_TRE_with_Boogie_Specs-Light.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:57,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:57,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:57,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:17:57,506 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 12:17:57,519 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:57,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:57,521 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:57,521 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:57,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:57,521 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:57,521 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:57,522 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:57,522 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:57,522 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:57,522 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:57,522 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:57,522 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:57,523 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:57,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:57,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:57,524 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:57,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:57,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:57,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:57,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:57,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:57,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:57,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:57,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:57,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:57,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:57,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:57,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:57,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:57,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:57,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:57,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:57,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:57,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:57,527 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:57,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:57,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:57,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:57,528 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:57,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:57,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:57,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:57,579 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:57,579 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:57,580 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/CTL/encT_TRE_with_Boogie_Specs-Light.bpl [2019-08-05 12:17:57,580 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/CTL/encT_TRE_with_Boogie_Specs-Light.bpl' [2019-08-05 12:17:57,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:57,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:57,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:57,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:57,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:57,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:57" (1/1) ... [2019-08-05 12:17:57,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:57" (1/1) ... [2019-08-05 12:17:57,668 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:17:57,669 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:17:57,669 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:17:57,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:57,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:57,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:57,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:57,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:57" (1/1) ... [2019-08-05 12:17:57,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:57" (1/1) ... [2019-08-05 12:17:57,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:57" (1/1) ... [2019-08-05 12:17:57,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:57" (1/1) ... [2019-08-05 12:17:57,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:57" (1/1) ... [2019-08-05 12:17:57,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:57" (1/1) ... [2019-08-05 12:17:57,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:57" (1/1) ... [2019-08-05 12:17:57,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:57,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:57,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:57,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:57,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:57" (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 12:17:57,832 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encLT given in one single declaration [2019-08-05 12:17:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure encLT [2019-08-05 12:17:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure encLT [2019-08-05 12:17:57,832 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encRLT given in one single declaration [2019-08-05 12:17:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure encRLT [2019-08-05 12:17:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure encRLT [2019-08-05 12:17:57,833 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encT given in one single declaration [2019-08-05 12:17:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure encT [2019-08-05 12:17:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure encT [2019-08-05 12:17:57,834 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Test given in one single declaration [2019-08-05 12:17:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure Test [2019-08-05 12:17:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Test [2019-08-05 12:17:57,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encLLT given in one single declaration [2019-08-05 12:17:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure encLLT [2019-08-05 12:17:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure encLLT [2019-08-05 12:17:58,807 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:17:58,807 INFO L283 CfgBuilder]: Removed 32 assume(true) statements. [2019-08-05 12:17:58,808 INFO L202 PluginConnector]: Adding new model encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:58 BoogieIcfgContainer [2019-08-05 12:17:58,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:58,809 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:58,809 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:58,810 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:58,810 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:58" (1/1) ... [2019-08-05 12:17:58,839 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:59,100 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:59,137 INFO L272 AbstractInterpreter]: Visited 98 different actions 123 times. Merged at 17 different actions 19 times. Never widened. Performed 464 root evaluator evaluations with a maximum evaluation depth of 6. Performed 464 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 8 fixpoints after 7 different actions. Largest state had 0 variables. [2019-08-05 12:17:59,137 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:59,140 INFO L168 Benchmark]: Toolchain (without parser) took 1503.77 ms. Allocated memory was 134.7 MB in the beginning and 169.9 MB in the end (delta: 35.1 MB). Free memory was 107.3 MB in the beginning and 148.0 MB in the end (delta: -40.8 MB). Peak memory consumption was 53.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:59,142 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:17:59,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.92 ms. Allocated memory is still 134.7 MB. Free memory was 107.3 MB in the beginning and 104.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:59,146 INFO L168 Benchmark]: Boogie Preprocessor took 52.85 ms. Allocated memory is still 134.7 MB. Free memory was 104.7 MB in the beginning and 103.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:59,147 INFO L168 Benchmark]: RCFGBuilder took 1051.22 ms. Allocated memory is still 134.7 MB. Free memory was 103.0 MB in the beginning and 76.6 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:59,148 INFO L168 Benchmark]: Abstract Interpretation took 327.94 ms. Allocated memory was 134.7 MB in the beginning and 169.9 MB in the end (delta: 35.1 MB). Free memory was 76.4 MB in the beginning and 148.0 MB in the end (delta: -71.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:59,157 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 134.7 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.92 ms. Allocated memory is still 134.7 MB. Free memory was 107.3 MB in the beginning and 104.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.85 ms. Allocated memory is still 134.7 MB. Free memory was 104.7 MB in the beginning and 103.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1051.22 ms. Allocated memory is still 134.7 MB. Free memory was 103.0 MB in the beginning and 76.6 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 327.94 ms. Allocated memory was 134.7 MB in the beginning and 169.9 MB in the end (delta: 35.1 MB). Free memory was 76.4 MB in the beginning and 148.0 MB in the end (delta: -71.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 107]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L110] COND FALSE !(x == 1) [L113] ret := false; - UnprovableResult [Line: 107]: Unable to prove that procedure postcondition always holds and assertion always holds Unable to prove that procedure postcondition always holds and assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L83] x_local := x; [L84] n_local := n; [L100] COND FALSE !(x == 0) [L103] ret := false; [L97-L98] ensures x == 0 <==> ret != false; [L87] COND FALSE !(CallRet) [L110] COND FALSE !(x == 1) [L113] ret := false; - UnprovableResult [Line: 75]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L83] x_local := x; [L84] n_local := n; [L100] COND FALSE !(x == 0) [L103] ret := false; [L97-L98] ensures x == 0 <==> ret != false; [L87] COND FALSE !(CallRet) [L110] COND FALSE !(x == 1) [L113] ret := false; [L107-L108] ensures x == 1 <==> ret != false; - PositiveResult [Line: 97]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 97]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 97]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 107]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 97]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 97]: procedure postcondition always holds For all program executions holds that procedure postcondition always holds at this location - PositiveResult [Line: 107]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 75]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 97]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 75]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 75]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 25]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 107]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 28]: procedure postcondition always holds For all program executions holds that procedure postcondition always holds at this location - PositiveResult [Line: 28]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 107]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 75]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...