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/gr2006.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:10:56,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:10:56,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:10:56,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:10:56,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:10:56,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:10:56,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:10:56,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:10:56,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:10:56,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:10:56,333 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:10:56,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:10:56,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:10:56,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:10:56,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:10:56,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:10:56,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:10:56,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:10:56,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:10:56,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:10:56,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:10:56,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:10:56,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:10:56,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:10:56,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:10:56,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:10:56,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:10:56,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:10:56,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:10:56,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:10:56,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:10:56,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:10:56,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:10:56,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:10:56,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:10:56,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:10:56,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:10:56,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:10:56,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:10:56,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:10:56,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:10:56,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:10:56,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:10:56,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:10:56,403 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:10:56,404 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:10:56,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl [2019-08-05 18:10:56,405 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl' [2019-08-05 18:10:56,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:10:56,441 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:10:56,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:10:56,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:10:56,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:10:56,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:10:56" (1/1) ... [2019-08-05 18:10:56,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:10:56" (1/1) ... [2019-08-05 18:10:56,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:10:56" (1/1) ... [2019-08-05 18:10:56,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:10:56" (1/1) ... [2019-08-05 18:10:56,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:10:56" (1/1) ... [2019-08-05 18:10:56,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:10:56" (1/1) ... [2019-08-05 18:10:56,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:10:56" (1/1) ... [2019-08-05 18:10:56,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:10:56,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:10:56,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:10:56,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:10:56,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:10:56" (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 [2019-08-05 18:10:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:10:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:10:56,987 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:10:56,988 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:10:56,990 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:10:56 BoogieIcfgContainer [2019-08-05 18:10:56,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:10:56,991 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:10:56,991 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:10:56,991 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:10:56,992 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:10:56" (1/1) ... [2019-08-05 18:10:57,006 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:10:57,012 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:10:57,021 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:10:57,030 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:10:57,032 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:10:57,136 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:10:57,136 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:10:57,139 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (= (ite (= ULTIMATE.start_main_~x~4 100) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (< ULTIMATE.start_main_~y~4 0) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (exists ((v_ULTIMATE.start_main_~y~4_19 Int) (|v_ULTIMATE.start_main_#t~post1_11| Int) (|v_ULTIMATE.start_main_#t~post0_11| Int)) (and (not (< v_ULTIMATE.start_main_~y~4_19 0)) (or (and (not (< ULTIMATE.start_main_~x~4 50)) (= |ULTIMATE.start_main_#t~post0| |v_ULTIMATE.start_main_#t~post0_11|) (= (+ ULTIMATE.start_main_~y~4 1) v_ULTIMATE.start_main_~y~4_19)) (and (= ULTIMATE.start_main_~y~4 (+ v_ULTIMATE.start_main_~y~4_19 1)) (= |ULTIMATE.start_main_#t~post1| |v_ULTIMATE.start_main_#t~post1_11|) (< ULTIMATE.start_main_~x~4 50)))))) [2019-08-05 18:10:57,140 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:10:57,147 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:10:57,150 INFO L168 Benchmark]: Toolchain (without parser) took 707.74 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 92.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:10:57,151 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:10:57,153 INFO L168 Benchmark]: Boogie Preprocessor took 42.79 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 108.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:10:57,154 INFO L168 Benchmark]: RCFGBuilder took 505.00 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 97.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:10:57,155 INFO L168 Benchmark]: Symbolic Interpretation took 156.37 ms. Allocated memory is still 133.7 MB. Free memory was 97.3 MB in the beginning and 92.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:10:57,159 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 54]: 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 0.17 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.79 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 108.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 505.00 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 97.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 156.37 ms. Allocated memory is still 133.7 MB. Free memory was 97.3 MB in the beginning and 92.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...