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.4.1.ufo.UNBOUNDED.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:10:31,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:10:31,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:10:31,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:10:31,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:10:31,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:10:31,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:10:31,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:10:31,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:10:31,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:10:31,290 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:10:31,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:10:31,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:10:31,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:10:31,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:10:31,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:10:31,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:10:31,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:10:31,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:10:31,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:10:31,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:10:31,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:10:31,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:10:31,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:10:31,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:10:31,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:10:31,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:10:31,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:10:31,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:10:31,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:10:31,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:10:31,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:10:31,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:10:31,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:10:31,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:10:31,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:10:31,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:10:31,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:10:31,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:10:31,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:10:31,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:10:31,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:10:31,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:10:31,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:10:31,371 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:10:31,371 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:10:31,372 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl [2019-08-09 14:10:31,372 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl' [2019-08-09 14:10:31,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:10:31,428 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:10:31,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:10:31,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:10:31,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:10:31,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:31" (1/1) ... [2019-08-09 14:10:31,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:31" (1/1) ... [2019-08-09 14:10:31,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:31" (1/1) ... [2019-08-09 14:10:31,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:31" (1/1) ... [2019-08-09 14:10:31,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:31" (1/1) ... [2019-08-09 14:10:31,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:31" (1/1) ... [2019-08-09 14:10:31,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:31" (1/1) ... [2019-08-09 14:10:31,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:10:31,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:10:31,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:10:31,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:10:31,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:31" (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 14:10:31,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:10:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:10:32,255 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:10:32,255 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:10:32,257 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:32 BoogieIcfgContainer [2019-08-09 14:10:32,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:10:32,258 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:10:32,259 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:10:32,259 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:10:32,261 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:32" (1/1) ... [2019-08-09 14:10:32,663 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-09 14:10:32,776 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-09 14:10:32,839 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:10:32,847 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:10:32,854 INFO L168 Benchmark]: Toolchain (without parser) took 1420.99 ms. Allocated memory was 131.6 MB in the beginning and 172.5 MB in the end (delta: 40.9 MB). Free memory was 106.0 MB in the beginning and 114.3 MB in the end (delta: -8.3 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:32,856 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:10:32,858 INFO L168 Benchmark]: Boogie Preprocessor took 53.17 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 103.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:32,859 INFO L168 Benchmark]: RCFGBuilder took 776.16 ms. Allocated memory is still 131.6 MB. Free memory was 103.6 MB in the beginning and 60.7 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:32,862 INFO L168 Benchmark]: Symbolic Interpretation took 588.33 ms. Allocated memory was 131.6 MB in the beginning and 172.5 MB in the end (delta: 40.9 MB). Free memory was 60.4 MB in the beginning and 114.3 MB in the end (delta: -53.8 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:32,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 386]: 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 30#(= 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 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.17 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 103.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 776.16 ms. Allocated memory is still 131.6 MB. Free memory was 103.6 MB in the beginning and 60.7 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 588.33 ms. Allocated memory was 131.6 MB in the beginning and 172.5 MB in the end (delta: 40.9 MB). Free memory was 60.4 MB in the beginning and 114.3 MB in the end (delta: -53.8 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...