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.6.ufo.UNBOUNDED.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:06,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:06,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:06,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:06,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:06,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:06,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:06,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:06,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:06,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:06,171 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:06,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:06,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:06,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:06,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:06,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:06,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:06,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:06,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:06,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:06,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:06,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:06,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:06,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:06,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:06,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:06,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:06,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:06,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:06,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:06,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:06,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:06,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:06,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:06,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:06,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:06,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:06,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:06,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:06,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:06,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:06,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:06,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:06,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:06,254 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:06,255 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:06,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl [2019-08-09 14:09:06,256 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl' [2019-08-09 14:09:06,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:06,340 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:06,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:06,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:06,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:06,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:06" (1/1) ... [2019-08-09 14:09:06,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:06" (1/1) ... [2019-08-09 14:09:06,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:06" (1/1) ... [2019-08-09 14:09:06,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:06" (1/1) ... [2019-08-09 14:09:06,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:06" (1/1) ... [2019-08-09 14:09:06,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:06" (1/1) ... [2019-08-09 14:09:06,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:06" (1/1) ... [2019-08-09 14:09:06,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:06,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:06,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:06,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:06,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:06" (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 14:09:06,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:07,279 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:07,280 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:09:07,281 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:07 BoogieIcfgContainer [2019-08-09 14:09:07,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:07,282 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:07,282 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:07,282 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:07,283 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:07" (1/1) ... [2019-08-09 14:09:07,655 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-08-09 14:09:07,933 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-08-09 14:09:08,137 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:08,144 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:08,147 INFO L168 Benchmark]: Toolchain (without parser) took 1805.31 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 106.1 MB in the beginning and 101.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:08,148 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 14:09:08,149 INFO L168 Benchmark]: Boogie Preprocessor took 56.13 ms. Allocated memory is still 138.9 MB. Free memory was 106.1 MB in the beginning and 103.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:08,150 INFO L168 Benchmark]: RCFGBuilder took 884.12 ms. Allocated memory was 138.9 MB in the beginning and 178.8 MB in the end (delta: 39.8 MB). Free memory was 103.5 MB in the beginning and 138.5 MB in the end (delta: -34.9 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:08,152 INFO L168 Benchmark]: Symbolic Interpretation took 861.89 ms. Allocated memory was 178.8 MB in the beginning and 201.9 MB in the end (delta: 23.1 MB). Free memory was 138.5 MB in the beginning and 101.7 MB in the end (delta: 36.8 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:08,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 541]: 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 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.13 ms. Allocated memory is still 138.9 MB. Free memory was 106.1 MB in the beginning and 103.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 884.12 ms. Allocated memory was 138.9 MB in the beginning and 178.8 MB in the end (delta: 39.8 MB). Free memory was 103.5 MB in the beginning and 138.5 MB in the end (delta: -34.9 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 861.89 ms. Allocated memory was 178.8 MB in the beginning and 201.9 MB in the end (delta: 23.1 MB). Free memory was 138.5 MB in the beginning and 101.7 MB in the end (delta: 36.8 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...