java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:18:30,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:18:30,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:18:30,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:18:30,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:18:30,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:18:30,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:18:30,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:18:30,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:18:30,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:18:30,632 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:18:30,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:18:30,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:18:30,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:18:30,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:18:30,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:18:30,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:18:30,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:18:30,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:18:30,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:18:30,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:18:30,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:18:30,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:18:30,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:18:30,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:18:30,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:18:30,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:18:30,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:18:30,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:18:30,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:18:30,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:18:30,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:18:30,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:18:30,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:18:30,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:18:30,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:18:30,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:18:30,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:18:30,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:18:30,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:18:30,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:18:30,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:18:30,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:18:30,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:18:30,702 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:18:30,702 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:18:30,703 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl [2019-08-09 14:18:30,703 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl' [2019-08-09 14:18:30,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:18:30,737 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:18:30,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:18:30,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:18:30,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:18:30,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:30" (1/1) ... [2019-08-09 14:18:30,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:30" (1/1) ... [2019-08-09 14:18:30,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:30" (1/1) ... [2019-08-09 14:18:30,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:30" (1/1) ... [2019-08-09 14:18:30,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:30" (1/1) ... [2019-08-09 14:18:30,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:30" (1/1) ... [2019-08-09 14:18:30,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:30" (1/1) ... [2019-08-09 14:18:30,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:18:30,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:18:30,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:18:30,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:18:30,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:30" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-09 14:18:30,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:18:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:18:30,988 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:18:30,988 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:18:30,991 INFO L202 PluginConnector]: Adding new model BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:30 BoogieIcfgContainer [2019-08-09 14:18:30,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:18:30,992 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:18:30,993 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:18:30,993 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:18:30,995 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:30" (1/1) ... [2019-08-09 14:18:31,434 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-08-09 14:18:31,764 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:18:31,772 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:18:31,776 INFO L168 Benchmark]: Toolchain (without parser) took 1036.80 ms. Allocated memory was 140.5 MB in the beginning and 178.3 MB in the end (delta: 37.7 MB). Free memory was 108.9 MB in the beginning and 147.5 MB in the end (delta: -38.6 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:31,778 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:18:31,779 INFO L168 Benchmark]: Boogie Preprocessor took 40.58 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:31,782 INFO L168 Benchmark]: RCFGBuilder took 212.57 ms. Allocated memory is still 140.5 MB. Free memory was 106.9 MB in the beginning and 98.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:31,786 INFO L168 Benchmark]: Symbolic Interpretation took 779.70 ms. Allocated memory was 140.5 MB in the beginning and 178.3 MB in the end (delta: 37.7 MB). Free memory was 98.5 MB in the beginning and 147.5 MB in the end (delta: -49.0 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:31,793 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 13]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 6#(and (exists ((v_arrayElimCell_4 Int)) (and (not (= (select a 1) 0)) (not (= (select a (select a 1)) (select a v_arrayElimCell_4))) (not (= 0 v_arrayElimCell_4)) (= 42 (select a 0)))) (= (select a (select a 0)) (select a (select a 1)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.58 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 212.57 ms. Allocated memory is still 140.5 MB. Free memory was 106.9 MB in the beginning and 98.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 779.70 ms. Allocated memory was 140.5 MB in the beginning and 178.3 MB in the end (delta: 37.7 MB). Free memory was 98.5 MB in the beginning and 147.5 MB in the end (delta: -49.0 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...