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-b8c145f [2019-08-05 11:26:28,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:26:28,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:26:28,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:26:28,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:26:28,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:26:28,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:26:28,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:26:28,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:26:28,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:26:28,964 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:26:28,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:26:28,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:26:28,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:26:28,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:26:28,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:26:28,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:26:28,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:26:28,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:26:28,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:26:28,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:26:28,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:26:28,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:26:28,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:26:28,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 11:26:28,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:26:28,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:26:28,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:26:28,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:26:28,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:26:28,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:26:28,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:26:28,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:26:28,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:26:28,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:26:28,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:26:29,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:26:29,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:26:29,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:26:29,051 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:26:29,052 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:26:29,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/hardNameCollision.bpl [2019-08-05 11:26:29,053 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/hardNameCollision.bpl' [2019-08-05 11:26:29,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:26:29,088 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:26:29,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:26:29,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:26:29,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:26:29,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:29" (1/1) ... [2019-08-05 11:26:29,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:29" (1/1) ... [2019-08-05 11:26:29,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:29" (1/1) ... [2019-08-05 11:26:29,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:29" (1/1) ... [2019-08-05 11:26:29,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:29" (1/1) ... [2019-08-05 11:26:29,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:29" (1/1) ... [2019-08-05 11:26:29,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:29" (1/1) ... [2019-08-05 11:26:29,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:26:29,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:26:29,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:26:29,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:26:29,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:29" (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 11:26:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-05 11:26:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-05 11:26:29,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure g given in one single declaration [2019-08-05 11:26:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-08-05 11:26:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-08-05 11:26:29,300 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 11:26:29,387 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 11:26:29,511 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:26:29,512 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:26:29,514 INFO L202 PluginConnector]: Adding new model hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:26:29 BoogieIcfgContainer [2019-08-05 11:26:29,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:26:29,515 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:26:29,515 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:26:29,515 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:26:29,518 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:26:29" (1/1) ... [2019-08-05 11:26:29,546 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 11:26:29,552 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:26:29,567 INFO L160 IcfgInterpreter]: Initial procedures are [g, f] [2019-08-05 11:26:29,585 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:26:29,587 INFO L184 IcfgInterpreter]: Interpreting procedure g with input of size 1 [2019-08-05 11:26:29,722 INFO L184 IcfgInterpreter]: Interpreting procedure f with input of size 1 [2019-08-05 11:29:32,453 WARN L188 SmtUtils]: Spent 3.05 m on a formula simplification that was a NOOP. DAG size: 46 [2019-08-05 11:29:32,454 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:29:32,454 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:29:32,457 INFO L178 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)) [2019-08-05 11:29:32,457 INFO L178 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)))) [2019-08-05 11:29:32,466 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:29:32,468 INFO L168 Benchmark]: Toolchain (without parser) took 183379.69 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 87.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:29:32,469 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory is still 111.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:29:32,471 INFO L168 Benchmark]: Boogie Preprocessor took 45.02 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 107.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:29:32,472 INFO L168 Benchmark]: RCFGBuilder took 380.07 ms. Allocated memory is still 140.5 MB. Free memory was 107.9 MB in the beginning and 96.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:29:32,473 INFO L168 Benchmark]: Symbolic Interpretation took 182951.43 ms. Allocated memory is still 140.5 MB. Free memory was 96.1 MB in the beginning and 87.8 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:29:32,478 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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: - 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: * 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 140.5 MB. Free memory is still 111.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.02 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 107.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 380.07 ms. Allocated memory is still 140.5 MB. Free memory was 107.9 MB in the beginning and 96.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 182951.43 ms. Allocated memory is still 140.5 MB. Free memory was 96.1 MB in the beginning and 87.8 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...