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/Backtranslation/regression/bpl/Specifications.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:46:00,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:46:00,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:46:00,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:46:00,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:46:00,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:46:00,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:46:00,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:46:00,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:46:00,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:46:00,264 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:46:00,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:46:00,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:46:00,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:46:00,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:46:00,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:46:00,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:46:00,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:46:00,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:46:00,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:46:00,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:46:00,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:46:00,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:46:00,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:46:00,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:46:00,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:46:00,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:46:00,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:46:00,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:46:00,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:46:00,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:46:00,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:46:00,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:46:00,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:46:00,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:46:00,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:46:00,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:46:00,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:46:00,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:46:00,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:46:00,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:46:00,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:46:00,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:46:00,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:46:00,364 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:46:00,365 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:46:00,366 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Backtranslation/regression/bpl/Specifications.bpl [2019-08-06 16:46:00,366 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Backtranslation/regression/bpl/Specifications.bpl' [2019-08-06 16:46:00,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:46:00,404 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:46:00,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:46:00,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:46:00,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:46:00,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Specifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Specifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Specifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Specifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Specifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Specifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Specifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:46:00,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:46:00,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:46:00,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:46:00,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Specifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (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 16:46:00,533 INFO L124 BoogieDeclarations]: Specification and implementation of procedure inc given in one single declaration [2019-08-06 16:46:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2019-08-06 16:46:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2019-08-06 16:46:00,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Main given in one single declaration [2019-08-06 16:46:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-06 16:46:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-06 16:46:00,689 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:46:00,811 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:46:00,811 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:46:00,812 INFO L202 PluginConnector]: Adding new model Specifications.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:00 BoogieIcfgContainer [2019-08-06 16:46:00,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:46:00,813 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:46:00,813 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:46:00,814 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:46:00,815 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Specifications.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,826 INFO L148 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-08-06 16:46:00,829 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:46:00,836 INFO L160 IcfgInterpreter]: Initial procedures are [Main, inc] [2019-08-06 16:46:00,844 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:46:00,846 INFO L185 IcfgInterpreter]: Interpreting procedure Main with input of size 1 [2019-08-06 16:46:00,892 INFO L185 IcfgInterpreter]: Interpreting procedure inc with input of size 1 [2019-08-06 16:46:00,946 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:46:00,946 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:46:00,949 INFO L179 IcfgInterpreter]: Location MainErr0REQUIRES_VIOLATIONPRE_CONDITION has predicate 9#(and (not (< 0 Main_z)) (= Main_z 0)) [2019-08-06 16:46:00,950 INFO L179 IcfgInterpreter]: Location incErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 40#(and (< 0 (+ inc_y 1)) (not (< 0 inc_y))) [2019-08-06 16:46:00,950 INFO L179 IcfgInterpreter]: Location incErr1ENSURES_VIOLATIONPOST_CONDITION has predicate 37#false [2019-08-06 16:46:00,951 INFO L179 IcfgInterpreter]: Location incErr2ENSURES_VIOLATIONPOST_CONDITION has predicate 34#false [2019-08-06 16:46:00,952 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:46:00,960 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:46:00,963 INFO L168 Benchmark]: Toolchain (without parser) took 558.46 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 87.7 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:00,964 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:46:00,966 INFO L168 Benchmark]: Boogie Preprocessor took 48.43 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 104.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:00,967 INFO L168 Benchmark]: RCFGBuilder took 359.47 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 93.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:00,969 INFO L168 Benchmark]: Symbolic Interpretation took 146.95 ms. Allocated memory is still 137.9 MB. Free memory was 93.8 MB in the beginning and 87.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:00,973 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: Unable to prove that procedure precondition always holds Unable to prove that procedure precondition always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: - UnprovableResult [Line: 10]: 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: - PositiveResult [Line: 2]: procedure postcondition always holds For all program executions holds that procedure postcondition always holds at this location - PositiveResult [Line: 2]: procedure postcondition always holds For all program executions holds that procedure postcondition always holds at this location * 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 137.9 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.43 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 104.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 359.47 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 93.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 146.95 ms. Allocated memory is still 137.9 MB. Free memory was 93.8 MB in the beginning and 87.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...