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.4.ufo.BOUNDED-8.pals.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:07,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:07,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:07,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:07,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:07,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:07,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:07,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:07,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:07,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:07,612 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:07,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:07,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:07,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:07,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:07,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:07,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:07,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:07,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:07,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:07,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:07,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:07,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:07,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:07,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:07,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:07,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:07,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:07,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:07,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:07,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:07,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:07,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:07,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:07,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:07,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:07,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:07,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:07,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:07,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:07,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:07,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:07,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:07,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:07,688 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:07,689 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:07,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl [2019-08-09 14:09:07,690 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl' [2019-08-09 14:09:07,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:07,746 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:07,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:07,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:07,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:07,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:07" (1/1) ... [2019-08-09 14:09:07,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:07" (1/1) ... [2019-08-09 14:09:07,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:07" (1/1) ... [2019-08-09 14:09:07,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:07" (1/1) ... [2019-08-09 14:09:07,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:07" (1/1) ... [2019-08-09 14:09:07,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:07" (1/1) ... [2019-08-09 14:09:07,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:07" (1/1) ... [2019-08-09 14:09:07,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:07,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:07,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:07,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:07,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:07" (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 14:09:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:08,645 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:08,645 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:09:08,647 INFO L202 PluginConnector]: Adding new model pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:08 BoogieIcfgContainer [2019-08-09 14:09:08,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:08,647 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:08,648 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:08,648 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:08,649 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:08" (1/1) ... [2019-08-09 14:09:08,844 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-08-09 14:09:10,173 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:10,180 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:10,184 INFO L168 Benchmark]: Toolchain (without parser) took 2436.46 ms. Allocated memory was 131.1 MB in the beginning and 251.7 MB in the end (delta: 120.6 MB). Free memory was 105.4 MB in the beginning and 88.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 138.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:10,186 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-09 14:09:10,187 INFO L168 Benchmark]: Boogie Preprocessor took 51.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 103.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:10,188 INFO L168 Benchmark]: RCFGBuilder took 848.82 ms. Allocated memory was 131.1 MB in the beginning and 173.5 MB in the end (delta: 42.5 MB). Free memory was 103.0 MB in the beginning and 151.0 MB in the end (delta: -48.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:10,189 INFO L168 Benchmark]: Symbolic Interpretation took 1533.27 ms. Allocated memory was 173.5 MB in the beginning and 251.7 MB in the end (delta: 78.1 MB). Free memory was 151.0 MB in the beginning and 88.2 MB in the end (delta: 62.8 MB). Peak memory consumption was 141.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:10,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 375]: 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 149#(= 0 (mod ULTIMATE.start_assert_~arg 256)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 103.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 848.82 ms. Allocated memory was 131.1 MB in the beginning and 173.5 MB in the end (delta: 42.5 MB). Free memory was 103.0 MB in the beginning and 151.0 MB in the end (delta: -48.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1533.27 ms. Allocated memory was 173.5 MB in the beginning and 251.7 MB in the end (delta: 78.1 MB). Free memory was 151.0 MB in the beginning and 88.2 MB in the end (delta: 62.8 MB). Peak memory consumption was 141.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...