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/toy/INT_FlaggedConditionalEx2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:49:48,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:49:48,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:49:48,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:49:48,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:49:48,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:49:48,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:49:48,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:49:48,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:49:48,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:49:48,796 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:49:48,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:49:48,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:49:48,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:49:48,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:49:48,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:49:48,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:49:48,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:49:48,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:49:48,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:49:48,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:49:48,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:49:48,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:49:48,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:49:48,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:49:48,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:49:48,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:49:48,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:49:48,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:49:48,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:49:48,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:49:48,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:49:48,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:49:48,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:49:48,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:49:48,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:49:48,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:49:48,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:49:48,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:49:48,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:49:48,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:49:48,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:49:48,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:49:48,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:49:48,880 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:49:48,880 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:49:48,881 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/INT_FlaggedConditionalEx2.bpl [2019-08-05 11:49:48,881 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/INT_FlaggedConditionalEx2.bpl' [2019-08-05 11:49:48,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:49:48,916 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:49:48,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:49:48,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:49:48,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:49:48,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:48" (1/1) ... [2019-08-05 11:49:48,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:48" (1/1) ... [2019-08-05 11:49:48,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:48" (1/1) ... [2019-08-05 11:49:48,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:48" (1/1) ... [2019-08-05 11:49:48,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:48" (1/1) ... [2019-08-05 11:49:48,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:48" (1/1) ... [2019-08-05 11:49:48,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:48" (1/1) ... [2019-08-05 11:49:48,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:49:48,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:49:48,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:49:48,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:49:48,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:48" (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 11:49:49,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 11:49:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 11:49:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 11:49:49,326 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:49:49,326 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 11:49:49,330 INFO L202 PluginConnector]: Adding new model INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:49 BoogieIcfgContainer [2019-08-05 11:49:49,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:49:49,331 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:49:49,331 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:49:49,333 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:49:49,335 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:49" (1/1) ... [2019-08-05 11:49:49,349 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 11:49:49,352 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:49:49,359 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-05 11:49:49,377 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:49:49,379 INFO L184 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-05 11:49:49,813 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2019-08-05 11:49:50,128 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2019-08-05 11:49:50,383 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 13 [2019-08-05 11:49:50,578 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2019-08-05 11:49:50,966 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 14 [2019-08-05 11:49:51,176 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2019-08-05 11:49:51,294 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-08-05 11:49:51,958 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:49:51,959 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:49:51,962 INFO L178 IcfgInterpreter]: Location fooErr1ASSERT_VIOLATIONASSERT has predicate 126#false [2019-08-05 11:49:51,962 INFO L178 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 129#(and (or foo_flag (not (= 10 foo_y))) (or (not (= 10 foo_x)) (not foo_flag)) (or (and (not (< 0 foo_y)) (< 0 (+ foo_y 1))) (and (< 0 (+ foo_x 1)) (not (< 0 foo_x))))) [2019-08-05 11:49:51,970 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:49:51,973 INFO L168 Benchmark]: Toolchain (without parser) took 3056.52 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 109.4 MB in the beginning and 179.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:51,974 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 11:49:51,975 INFO L168 Benchmark]: Boogie Preprocessor took 42.75 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:51,976 INFO L168 Benchmark]: RCFGBuilder took 371.02 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 96.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:51,977 INFO L168 Benchmark]: Symbolic Interpretation took 2639.81 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 96.6 MB in the beginning and 179.5 MB in the end (delta: -82.9 MB). Peak memory consumption was 75.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:51,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 38]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 18]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and 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 141.0 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.75 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 371.02 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 96.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2639.81 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 96.6 MB in the beginning and 179.5 MB in the end (delta: -82.9 MB). Peak memory consumption was 75.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...