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/regression/bpl/interprocedural/BugBackwardPredicates03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:05:40,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:05:40,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:05:40,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:05:40,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:05:40,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:05:40,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:05:40,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:05:40,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:05:40,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:05:40,205 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:05:40,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:05:40,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:05:40,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:05:40,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:05:40,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:05:40,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:05:40,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:05:40,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:05:40,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:05:40,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:05:40,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:05:40,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:05:40,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:05:40,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:05:40,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:05:40,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:05:40,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:05:40,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:05:40,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:05:40,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:05:40,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:05:40,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:05:40,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:05:40,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:05:40,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:05:40,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:05:40,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:05:40,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:05:40,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:05:40,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:05:40,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:05:40,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:05:40,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:05:40,296 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:05:40,296 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:05:40,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates03.bpl [2019-08-05 12:05:40,298 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates03.bpl' [2019-08-05 12:05:40,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:05:40,337 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:05:40,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:05:40,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:05:40,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:05:40,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:05:40,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:05:40,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:05:40,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:05:40,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (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 12:05:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-05 12:05:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:05:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-05 12:05:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:05:40,706 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:05:40,706 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:05:40,707 INFO L202 PluginConnector]: Adding new model BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:40 BoogieIcfgContainer [2019-08-05 12:05:40,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:05:40,708 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:05:40,708 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:05:40,708 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:05:40,710 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,720 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:05:40,723 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:05:40,730 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:05:40,739 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:05:40,741 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:05:41,459 WARN L188 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-08-05 12:05:41,459 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:05:41,460 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:05:41,462 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (exists ((v_g_BEFORE_CALL_1 Int)) (not (= m v_g_BEFORE_CALL_1))) (= m g)) [2019-08-05 12:05:41,471 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:05:41,474 INFO L168 Benchmark]: Toolchain (without parser) took 1137.52 ms. Allocated memory is still 141.6 MB. Free memory was 109.1 MB in the beginning and 92.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:41,475 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:05:41,476 INFO L168 Benchmark]: Boogie Preprocessor took 45.61 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 106.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:41,478 INFO L168 Benchmark]: RCFGBuilder took 323.70 ms. Allocated memory is still 141.6 MB. Free memory was 106.8 MB in the beginning and 98.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:41,479 INFO L168 Benchmark]: Symbolic Interpretation took 763.56 ms. Allocated memory is still 141.6 MB. Free memory was 98.0 MB in the beginning and 92.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:41,486 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 33]: 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 141.6 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.61 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 106.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 323.70 ms. Allocated memory is still 141.6 MB. Free memory was 106.8 MB in the beginning and 98.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 763.56 ms. Allocated memory is still 141.6 MB. Free memory was 98.0 MB in the beginning and 92.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...