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/SpecificationsInvariant.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:25:19,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:25:19,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:25:19,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:25:19,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:25:19,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:25:19,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:25:19,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:25:19,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:25:19,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:25:19,445 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:25:19,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:25:19,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:25:19,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:25:19,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:25:19,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:25:19,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:25:19,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:25:19,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:25:19,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:25:19,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:25:19,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:25:19,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:25:19,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:25:19,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:25:19,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:25:19,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:25:19,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:25:19,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:25:19,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:25:19,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:25:19,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:25:19,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:25:19,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:25:19,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:25:19,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:25:19,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:25:19,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:25:19,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:25:19,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:25:19,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:25:19,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:25:19,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:25:19,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:25:19,565 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:25:19,566 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:25:19,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Backtranslation/regression/bpl/SpecificationsInvariant.bpl [2019-08-05 11:25:19,567 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Backtranslation/regression/bpl/SpecificationsInvariant.bpl' [2019-08-05 11:25:19,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:25:19,603 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:25:19,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:25:19,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:25:19,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:25:19,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "SpecificationsInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:19" (1/1) ... [2019-08-05 11:25:19,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "SpecificationsInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:19" (1/1) ... [2019-08-05 11:25:19,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "SpecificationsInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:19" (1/1) ... [2019-08-05 11:25:19,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "SpecificationsInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:19" (1/1) ... [2019-08-05 11:25:19,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "SpecificationsInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:19" (1/1) ... [2019-08-05 11:25:19,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "SpecificationsInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:19" (1/1) ... [2019-08-05 11:25:19,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "SpecificationsInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:19" (1/1) ... [2019-08-05 11:25:19,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:25:19,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:25:19,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:25:19,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:25:19,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "SpecificationsInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:19" (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 11:25:19,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure inc given in one single declaration [2019-08-05 11:25:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2019-08-05 11:25:19,720 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2019-08-05 11:25:19,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Main given in one single declaration [2019-08-05 11:25:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 11:25:19,721 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 11:25:19,867 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 11:25:19,954 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:25:19,955 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:25:19,956 INFO L202 PluginConnector]: Adding new model SpecificationsInvariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:19 BoogieIcfgContainer [2019-08-05 11:25:19,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:25:19,957 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:25:19,957 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:25:19,957 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:25:19,959 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "SpecificationsInvariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:19" (1/1) ... [2019-08-05 11:25:19,971 INFO L148 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-08-05 11:25:19,977 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:25:19,988 INFO L160 IcfgInterpreter]: Initial procedures are [Main, inc] [2019-08-05 11:25:20,003 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:25:20,005 INFO L184 IcfgInterpreter]: Interpreting procedure Main with input of size 1 [2019-08-05 11:25:20,136 INFO L184 IcfgInterpreter]: Interpreting procedure inc with input of size 1 [2019-08-05 11:25:20,267 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-08-05 11:25:20,480 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-08-05 11:25:20,665 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:25:20,665 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:25:20,668 INFO L178 IcfgInterpreter]: Location incErr2ENSURES_VIOLATIONPOST_CONDITION has predicate 37#false [2019-08-05 11:25:20,668 INFO L178 IcfgInterpreter]: Location incErr1ENSURES_VIOLATIONPOST_CONDITION has predicate 34#false [2019-08-05 11:25:20,669 INFO L178 IcfgInterpreter]: Location incErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 40#(and (< 0 (+ inc_y 1)) (not (< 0 inc_y))) [2019-08-05 11:25:20,669 INFO L178 IcfgInterpreter]: Location MainErr0REQUIRES_VIOLATIONPRE_CONDITION has predicate 9#false [2019-08-05 11:25:20,680 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:25:20,683 INFO L168 Benchmark]: Toolchain (without parser) took 1079.52 ms. Allocated memory is still 131.1 MB. Free memory was 108.6 MB in the beginning and 78.8 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:20,684 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:25:20,686 INFO L168 Benchmark]: Boogie Preprocessor took 44.30 ms. Allocated memory is still 131.1 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:20,687 INFO L168 Benchmark]: RCFGBuilder took 306.60 ms. Allocated memory is still 131.1 MB. Free memory was 106.3 MB in the beginning and 96.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:20,688 INFO L168 Benchmark]: Symbolic Interpretation took 723.87 ms. Allocated memory is still 131.1 MB. Free memory was 96.1 MB in the beginning and 78.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:20,692 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 - 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 precondition always holds For all program executions holds that procedure precondition always holds at this location * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.30 ms. Allocated memory is still 131.1 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 306.60 ms. Allocated memory is still 131.1 MB. Free memory was 106.3 MB in the beginning and 96.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 723.87 ms. Allocated memory is still 131.1 MB. Free memory was 96.1 MB in the beginning and 78.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...