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.UNBOUNDED.pals.c_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:44,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:44,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:44,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:44,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:44,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:44,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:44,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:44,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:44,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:44,138 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:44,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:44,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:44,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:44,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:44,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:44,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:44,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:44,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:44,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:44,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:44,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:44,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:44,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:44,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:44,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:44,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:44,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:44,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:44,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:44,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:44,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:44,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:44,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:44,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:44,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:44,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:44,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:44,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:44,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:44,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:44,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:44,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:44,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:44,236 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:44,236 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:44,237 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl [2019-08-06 16:52:44,237 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl' [2019-08-06 16:52:44,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:44,316 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:44,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:44,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:44,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:44,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:44" (1/1) ... [2019-08-06 16:52:44,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:44" (1/1) ... [2019-08-06 16:52:44,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:44" (1/1) ... [2019-08-06 16:52:44,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:44" (1/1) ... [2019-08-06 16:52:44,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:44" (1/1) ... [2019-08-06 16:52:44,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:44" (1/1) ... [2019-08-06 16:52:44,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:44" (1/1) ... [2019-08-06 16:52:44,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:44,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:44,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:44,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:44,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:44" (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 16:52:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:45,461 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:45,461 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:52:45,463 INFO L202 PluginConnector]: Adding new model pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:45 BoogieIcfgContainer [2019-08-06 16:52:45,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:45,463 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:45,463 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:45,464 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:45,465 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:45" (1/1) ... [2019-08-06 16:52:45,476 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:45,483 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:45,493 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:45,499 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:45,501 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:45,606 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-06 16:52:45,623 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:45,624 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:45,626 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 93#(= 0 (mod ULTIMATE.start_assert_~arg 256)) [2019-08-06 16:52:45,627 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:45,634 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:45,638 INFO L168 Benchmark]: Toolchain (without parser) took 1319.81 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 106.5 MB in the beginning and 140.5 MB in the end (delta: -34.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:45,639 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:52:45,644 INFO L168 Benchmark]: Boogie Preprocessor took 66.02 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 103.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:45,647 INFO L168 Benchmark]: RCFGBuilder took 1077.75 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 103.9 MB in the beginning and 150.0 MB in the end (delta: -46.1 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:45,648 INFO L168 Benchmark]: Symbolic Interpretation took 171.22 ms. Allocated memory is still 172.0 MB. Free memory was 150.0 MB in the beginning and 140.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:45,652 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 371]: 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 0.20 ms. Allocated memory is still 132.1 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.02 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 103.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1077.75 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 103.9 MB in the beginning and 150.0 MB in the end (delta: -46.1 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 171.22 ms. Allocated memory is still 172.0 MB. Free memory was 150.0 MB in the beginning and 140.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...