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/abstractInterpretation/regression/non_taipan/loop-skips-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:12,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:12,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:12,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:19:12,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:19:12,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:19:12,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:19:12,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:19:12,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:19:12,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:19:12,935 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:19:12,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:19:12,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:19:12,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:19:12,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:19:12,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:19:12,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:19:12,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:19:12,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:19:12,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:19:12,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:19:12,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:19:12,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:19:12,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:19:12,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:19:12,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:19:12,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:19:12,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:19:12,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:19:12,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:19:12,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:19:12,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:19:12,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:19:12,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:19:12,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:19:12,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:19:12,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:19:12,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:19:12,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:19:12,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:19:12,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:19:12,990 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 12:19:13,017 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:13,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:13,019 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:13,019 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:13,020 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:13,020 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:13,020 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:13,020 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:13,020 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:13,021 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:13,021 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:13,021 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:13,021 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:13,021 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:13,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:13,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:13,022 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:13,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:13,023 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:13,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:13,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:13,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:13,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:13,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:13,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:13,024 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:13,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:13,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:13,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:13,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:13,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:13,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:13,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:13,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:13,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:13,027 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:13,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:13,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:13,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:13,027 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:13,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:13,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:13,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:13,100 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:13,100 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:13,101 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_taipan/loop-skips-unsafe.bpl [2019-08-05 12:19:13,101 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_taipan/loop-skips-unsafe.bpl' [2019-08-05 12:19:13,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:13,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:13,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:13,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:13,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:13,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:13,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:13,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:13,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:13,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:13,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:13,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:13,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:13,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (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 12:19:13,262 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:19:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:19:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:19:13,520 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:19:13,520 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:19:13,522 INFO L202 PluginConnector]: Adding new model loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:13 BoogieIcfgContainer [2019-08-05 12:19:13,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:13,524 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:13,524 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:13,524 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:13,525 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "loop-skips-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,559 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:13,725 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:13,748 INFO L272 AbstractInterpreter]: Visited 9 different actions 27 times. Merged at 3 different actions 9 times. Never widened. Performed 49 root evaluator evaluations with a maximum evaluation depth of 4. Performed 49 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:19:13,749 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:13,753 INFO L168 Benchmark]: Toolchain (without parser) took 621.87 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 89.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:13,755 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 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 12:19:13,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.25 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 12:19:13,760 INFO L168 Benchmark]: Boogie Preprocessor took 22.38 ms. Allocated memory is still 133.7 MB. Free memory was 106.0 MB in the beginning and 104.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:13,761 INFO L168 Benchmark]: RCFGBuilder took 333.02 ms. Allocated memory is still 133.7 MB. Free memory was 104.8 MB in the beginning and 96.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:13,762 INFO L168 Benchmark]: Abstract Interpretation took 225.35 ms. Allocated memory is still 133.7 MB. Free memory was 96.0 MB in the beginning and 89.6 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:13,769 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 0.14 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 37.25 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 22.38 ms. Allocated memory is still 133.7 MB. Free memory was 106.0 MB in the beginning and 104.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 333.02 ms. Allocated memory is still 133.7 MB. Free memory was 104.8 MB in the beginning and 96.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 225.35 ms. Allocated memory is still 133.7 MB. Free memory was 96.0 MB in the beginning and 89.6 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 13]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L6] i := 0; [L7] COND TRUE i != 1000 [L9] assert true; [L10] assert true; [L11] i := i + 1; [L7] COND TRUE i != 1000 [L9] assert true; [L10] assert true; [L11] i := i + 1; [L7] COND FALSE !(i != 1000) [L13] assert i != 1000; - PositiveResult [Line: 10]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 9]: assertion always holds For all program executions holds that assertion always holds at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...