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/BoogiePL/schaetzc/hardNameCollision.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:47:03,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:47:03,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:47:03,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:47:03,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:47:03,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:47:03,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:47:03,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:47:03,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:47:03,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:47:03,800 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:47:03,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:47:03,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:47:03,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:47:03,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:47:03,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:47:03,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:47:03,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:47:03,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:47:03,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:47:03,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:47:03,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:47:03,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:47:03,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:47:03,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-06 16:47:03,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:47:03,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:47:03,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:47:03,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:47:03,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:47:03,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:47:03,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:47:03,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:47:03,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:47:03,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:47:03,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:47:03,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:47:03,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:47:03,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:47:03,879 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:47:03,880 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:47:03,881 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/hardNameCollision.bpl [2019-08-06 16:47:03,881 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/hardNameCollision.bpl' [2019-08-06 16:47:03,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:47:03,931 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:47:03,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:47:03,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:47:03,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:47:03,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:47:03,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:47:03,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:47:03,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:47:03,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (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 16:47:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-06 16:47:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-06 16:47:04,033 INFO L124 BoogieDeclarations]: Specification and implementation of procedure g given in one single declaration [2019-08-06 16:47:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-08-06 16:47:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-08-06 16:47:04,101 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:47:04,184 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:47:04,269 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:47:04,270 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:47:04,272 INFO L202 PluginConnector]: Adding new model hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:47:04 BoogieIcfgContainer [2019-08-06 16:47:04,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:47:04,274 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:47:04,274 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:47:04,274 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:47:04,276 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:47:04" (1/1) ... [2019-08-06 16:47:04,317 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:47:04,323 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:47:04,344 INFO L160 IcfgInterpreter]: Initial procedures are [g, f] [2019-08-06 16:47:04,359 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:47:04,361 INFO L185 IcfgInterpreter]: Interpreting procedure g with input of size 1 [2019-08-06 16:47:04,423 INFO L185 IcfgInterpreter]: Interpreting procedure f with input of size 1 [2019-08-06 16:47:04,429 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:47:04,429 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:47:04,438 INFO L179 IcfgInterpreter]: Location fErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 10#(and (not (> (+ f_x f_d f_c f_b f_a f_z f_y) (+ (* f_d f_c) (+ (* f_z f_b) (- (* f_z f_z)))))) (> (+ (+ f_z (* f_a f_c)) (- f_y)) 0) (= (+ (* (- 1) f_d) f_b) f_x) (= (+ (* (- 1) f_c) f_a f_z (* (- 1) f_y)) f_d) (< (+ (+ f_z (* f_a f_a)) f_z) (+ (* (- 1) f_c) f_y)) (= f_b (+ f_c f_a (* (- 1) f_z) (* (- 1) f_y))) (= globalVar (+ (+ f_b (* (* f_c f_c) f_a)) (- f_d)))) [2019-08-06 16:47:04,439 INFO L179 IcfgInterpreter]: Location gErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 6#(and (> (* g_a g_x) g_a) (= g_a g_y) (= d 41) (= g_b g_x) (not (< g_x (+ g_b g_y))) (= 21 z)) [2019-08-06 16:47:04,443 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:47:04,460 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:47:04,463 INFO L168 Benchmark]: Toolchain (without parser) took 530.29 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 93.0 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:04,465 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 134.7 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:47:04,467 INFO L168 Benchmark]: Boogie Preprocessor took 36.44 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 109.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:04,469 INFO L168 Benchmark]: RCFGBuilder took 304.11 ms. Allocated memory is still 134.7 MB. Free memory was 108.8 MB in the beginning and 97.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:04,470 INFO L168 Benchmark]: Symbolic Interpretation took 186.35 ms. Allocated memory is still 134.7 MB. Free memory was 97.2 MB in the beginning and 93.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:04,476 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: - UnprovableResult [Line: 20]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition 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 0.26 ms. Allocated memory is still 134.7 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.44 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 109.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 304.11 ms. Allocated memory is still 134.7 MB. Free memory was 108.8 MB in the beginning and 97.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 186.35 ms. Allocated memory is still 134.7 MB. Free memory was 97.2 MB in the beginning and 93.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...