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/loopAcceleration/simpleLoopCountDown.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:20:15,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:20:15,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:20:16,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:20:16,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:20:16,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:20:16,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:20:16,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:20:16,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:20:16,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:20:16,019 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:20:16,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-08-05 12:20:16,078 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 12:20:16,105 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:20:16,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:20:16,107 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:20:16,107 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:20:16,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:20:16,108 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:20:16,108 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:20:16,111 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:20:16,111 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:20:16,112 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:20:16,112 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:20:16,112 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:20:16,112 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:20:16,112 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:20:16,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:20:16,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:20:16,115 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:20:16,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:20:16,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:20:16,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:20:16,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:20:16,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:20:16,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:20:16,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:20:16,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:20:16,117 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:20:16,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:20:16,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:20:16,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:20:16,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:20:16,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:20:16,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:20:16,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:20:16,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:20:16,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:20:16,119 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:20:16,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:20:16,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:20:16,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:20:16,120 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:20:16,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:20:16,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:20:16,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:20:16,179 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:20:16,179 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:20:16,180 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/simpleLoopCountDown.bpl [2019-08-05 12:20:16,180 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/simpleLoopCountDown.bpl' [2019-08-05 12:20:16,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:20:16,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:20:16,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:20:16,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:20:16,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:20:16,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:16" (1/1) ... [2019-08-05 12:20:16,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:16" (1/1) ... [2019-08-05 12:20:16,250 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:20:16,251 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:20:16,251 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:20:16,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:20:16,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:20:16,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:20:16,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:20:16,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:16" (1/1) ... [2019-08-05 12:20:16,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:16" (1/1) ... [2019-08-05 12:20:16,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:16" (1/1) ... [2019-08-05 12:20:16,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:16" (1/1) ... [2019-08-05 12:20:16,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:16" (1/1) ... [2019-08-05 12:20:16,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:16" (1/1) ... [2019-08-05 12:20:16,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:16" (1/1) ... [2019-08-05 12:20:16,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:20:16,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:20:16,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:20:16,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:20:16,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:16" (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 12:20:16,363 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:20:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:20:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:20:16,588 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:20:16,588 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:20:16,590 INFO L202 PluginConnector]: Adding new model simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:20:16 BoogieIcfgContainer [2019-08-05 12:20:16,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:20:16,591 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:20:16,591 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:20:16,591 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:20:16,592 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:20:16" (1/1) ... [2019-08-05 12:20:16,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:20:16,726 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:20:16,748 INFO L272 AbstractInterpreter]: Visited 6 different actions 14 times. Merged at 2 different actions 4 times. Never widened. Performed 44 root evaluator evaluations with a maximum evaluation depth of 3. Performed 44 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:20:16,748 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:20:16,751 INFO L168 Benchmark]: Toolchain (without parser) took 536.11 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 89.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:16,752 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:20:16,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 106.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:16,754 INFO L168 Benchmark]: Boogie Preprocessor took 31.47 ms. Allocated memory is still 133.7 MB. Free memory was 105.5 MB in the beginning and 104.6 MB in the end (delta: 900.2 kB). Peak memory consumption was 900.2 kB. Max. memory is 7.1 GB. [2019-08-05 12:20:16,756 INFO L168 Benchmark]: RCFGBuilder took 304.12 ms. Allocated memory is still 133.7 MB. Free memory was 104.6 MB in the beginning and 96.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:16,757 INFO L168 Benchmark]: Abstract Interpretation took 157.28 ms. Allocated memory is still 133.7 MB. Free memory was 95.8 MB in the beginning and 89.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:16,762 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 133.7 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 106.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.47 ms. Allocated memory is still 133.7 MB. Free memory was 105.5 MB in the beginning and 104.6 MB in the end (delta: 900.2 kB). Peak memory consumption was 900.2 kB. Max. memory is 7.1 GB. * RCFGBuilder took 304.12 ms. Allocated memory is still 133.7 MB. Free memory was 104.6 MB in the beginning and 96.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 157.28 ms. Allocated memory is still 133.7 MB. Free memory was 95.8 MB in the beginning and 89.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 12]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L8] x := 1000000; [L9] COND TRUE x > 0 [L10] x := x - 1; [L9] COND TRUE x > 0 [L10] x := x - 1; [L9] COND FALSE !(x > 0) [L12] assert x == 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...