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/abstractInterpretation/regression/open/int/loop-nondet.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:06:11,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:06:11,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:06:11,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:06:11,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:06:11,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:06:11,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:06:11,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:06:11,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:06:11,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:06:11,110 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:06:11,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:06:11,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:06:11,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:06:11,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:06:11,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:06:11,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:06:11,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:06:11,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:06:11,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:06:11,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:06:11,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:06:11,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:06:11,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:06:11,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:06:11,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:06:11,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:06:11,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:06:11,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:06:11,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:06:11,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:06:11,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:06:11,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:06:11,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:06:11,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:06:11,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:06:11,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:06:11,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:06:11,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:06:11,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:06:11,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:06:11,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:06:11,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:06:11,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:06:11,184 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:06:11,185 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:06:11,185 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/int/loop-nondet.bpl [2019-08-05 12:06:11,186 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/int/loop-nondet.bpl' [2019-08-05 12:06:11,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:06:11,220 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:06:11,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:06:11,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:06:11,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:06:11,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:11" (1/1) ... [2019-08-05 12:06:11,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:11" (1/1) ... [2019-08-05 12:06:11,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:11" (1/1) ... [2019-08-05 12:06:11,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:11" (1/1) ... [2019-08-05 12:06:11,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:11" (1/1) ... [2019-08-05 12:06:11,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:11" (1/1) ... [2019-08-05 12:06:11,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:11" (1/1) ... [2019-08-05 12:06:11,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:06:11,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:06:11,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:06:11,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:06:11,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:11" (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 12:06:11,352 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:06:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:06:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:06:11,567 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:06:11,568 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:06:11,569 INFO L202 PluginConnector]: Adding new model loop-nondet.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:06:11 BoogieIcfgContainer [2019-08-05 12:06:11,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:06:11,570 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:06:11,570 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:06:11,570 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:06:11,573 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:06:11" (1/1) ... [2019-08-05 12:06:11,585 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:06:11,588 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:06:11,594 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:06:11,603 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:06:11,605 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:06:11,765 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2019-08-05 12:06:11,891 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-08-05 12:06:11,998 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2019-08-05 12:06:12,230 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:06:12,230 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:06:12,233 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 30#(and (not (<= main_x main_y)) (= main_y 1000000)) [2019-08-05 12:06:12,242 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:06:12,244 INFO L168 Benchmark]: Toolchain (without parser) took 1023.86 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 81.0 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:12,246 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:06:12,247 INFO L168 Benchmark]: Boogie Preprocessor took 45.50 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 109.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:12,249 INFO L168 Benchmark]: RCFGBuilder took 302.41 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 99.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:12,250 INFO L168 Benchmark]: Symbolic Interpretation took 672.41 ms. Allocated memory is still 133.7 MB. Free memory was 99.7 MB in the beginning and 81.0 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:12,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: 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 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.50 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 109.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 302.41 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 99.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 672.41 ms. Allocated memory is still 133.7 MB. Free memory was 99.7 MB in the beginning and 81.0 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...