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/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:29,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:29,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:29,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:29,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:29,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:29,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:29,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:29,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:29,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:29,824 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:29,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:29,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:29,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:29,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:29,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:29,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:29,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:29,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:29,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:29,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:29,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:29,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:29,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:29,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:29,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:29,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:29,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:29,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:29,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:29,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:29,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:29,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:29,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:29,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:29,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:29,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:29,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:29,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:29,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:29,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:29,909 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:29,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:29,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:29,928 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:29,929 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:29,930 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl [2019-08-06 16:52:29,930 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl' [2019-08-06 16:52:29,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:29,993 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:29,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:29,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:29,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:30,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:29" (1/1) ... [2019-08-06 16:52:30,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:29" (1/1) ... [2019-08-06 16:52:30,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:29" (1/1) ... [2019-08-06 16:52:30,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:29" (1/1) ... [2019-08-06 16:52:30,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:29" (1/1) ... [2019-08-06 16:52:30,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:29" (1/1) ... [2019-08-06 16:52:30,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:29" (1/1) ... [2019-08-06 16:52:30,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:30,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:30,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:30,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:30,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:29" (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 [2019-08-06 16:52:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:31,138 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:31,138 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:52:31,140 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:31 BoogieIcfgContainer [2019-08-06 16:52:31,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:31,141 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:31,141 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:31,141 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:31,142 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:31" (1/1) ... [2019-08-06 16:52:31,154 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:31,160 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:31,171 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:31,180 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:31,182 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:31,404 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:31,404 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:31,407 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 20#(= 0 (mod ULTIMATE.start_assert_~arg 256)) [2019-08-06 16:52:31,407 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:31,415 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:31,418 INFO L168 Benchmark]: Toolchain (without parser) took 1423.20 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 107.5 MB in the beginning and 142.1 MB in the end (delta: -34.5 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:31,419 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-06 16:52:31,421 INFO L168 Benchmark]: Boogie Preprocessor took 51.29 ms. Allocated memory is still 140.0 MB. Free memory was 107.5 MB in the beginning and 105.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:31,422 INFO L168 Benchmark]: RCFGBuilder took 1094.45 ms. Allocated memory is still 140.0 MB. Free memory was 105.1 MB in the beginning and 63.0 MB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:31,423 INFO L168 Benchmark]: Symbolic Interpretation took 274.30 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 62.7 MB in the beginning and 142.1 MB in the end (delta: -79.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:31,427 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 384]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.29 ms. Allocated memory is still 140.0 MB. Free memory was 107.5 MB in the beginning and 105.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1094.45 ms. Allocated memory is still 140.0 MB. Free memory was 105.1 MB in the beginning and 63.0 MB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 274.30 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 62.7 MB in the beginning and 142.1 MB in the end (delta: -79.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...