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 0.1.24-3b9210c [2019-08-06 16:52:33,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:33,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:33,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:33,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:33,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:33,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:33,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:33,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:33,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:33,855 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:33,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:33,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:33,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:33,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:33,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:33,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:33,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:33,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:33,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:33,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:33,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:33,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:33,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:33,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:33,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:33,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:33,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:33,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:33,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:33,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:33,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:33,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:33,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:33,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:33,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:33,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:33,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:33,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:33,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:33,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:33,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:33,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:33,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:33,948 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:33,949 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:33,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl [2019-08-06 16:52:33,950 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl' [2019-08-06 16:52:33,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:33,991 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:33,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:33,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:33,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:34,015 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 06.08 04:52:33" (1/1) ... [2019-08-06 16:52:34,017 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 06.08 04:52:33" (1/1) ... [2019-08-06 16:52:34,024 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 06.08 04:52:33" (1/1) ... [2019-08-06 16:52:34,024 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 06.08 04:52:33" (1/1) ... [2019-08-06 16:52:34,028 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 06.08 04:52:33" (1/1) ... [2019-08-06 16:52:34,030 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 06.08 04:52:33" (1/1) ... [2019-08-06 16:52:34,031 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 06.08 04:52:33" (1/1) ... [2019-08-06 16:52:34,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:34,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:34,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:34,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:34,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:33" (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 16:52:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:34,381 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:34,381 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:52:34,382 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:34 BoogieIcfgContainer [2019-08-06 16:52:34,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:34,383 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:34,383 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:34,384 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:34,385 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 06.08 04:52:34" (1/1) ... [2019-08-06 16:52:34,401 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:34,404 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:34,419 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:34,430 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:34,432 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:34,594 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:34,594 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:34,603 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)))))) [2019-08-06 16:52:34,604 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:34,613 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:34,617 INFO L168 Benchmark]: Toolchain (without parser) took 623.80 ms. Allocated memory is still 137.4 MB. Free memory was 105.6 MB in the beginning and 87.1 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:34,618 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-06 16:52:34,620 INFO L168 Benchmark]: Boogie Preprocessor took 40.27 ms. Allocated memory is still 137.4 MB. Free memory was 105.6 MB in the beginning and 103.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:34,621 INFO L168 Benchmark]: RCFGBuilder took 349.87 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 92.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:34,624 INFO L168 Benchmark]: Symbolic Interpretation took 230.26 ms. Allocated memory is still 137.4 MB. Free memory was 92.5 MB in the beginning and 87.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:34,630 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 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.27 ms. Allocated memory is still 137.4 MB. Free memory was 105.6 MB in the beginning and 103.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 349.87 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 92.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 230.26 ms. Allocated memory is still 137.4 MB. Free memory was 92.5 MB in the beginning and 87.1 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...