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/abstractInterpretation/unclassified/bug-double-call.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:22,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:22,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:22,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:22,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:22,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:22,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:22,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:22,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:22,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:22,991 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:22,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:22,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:22,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:22,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:22,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:22,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:22,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:22,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:23,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:23,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:23,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:23,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:23,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:23,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:23,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:23,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:23,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:23,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:23,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:23,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:23,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:23,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:23,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:23,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:23,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:23,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:23,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:23,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:23,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:23,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:23,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:23,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:23,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:23,063 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:23,064 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:23,064 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/bug-double-call.bpl [2019-08-05 12:07:23,065 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/bug-double-call.bpl' [2019-08-05 12:07:23,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:23,097 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:23,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:23,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:23,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:23,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:23" (1/1) ... [2019-08-05 12:07:23,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:23" (1/1) ... [2019-08-05 12:07:23,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:23" (1/1) ... [2019-08-05 12:07:23,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:23" (1/1) ... [2019-08-05 12:07:23,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:23" (1/1) ... [2019-08-05 12:07:23,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:23" (1/1) ... [2019-08-05 12:07:23,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:23" (1/1) ... [2019-08-05 12:07:23,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:23,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:23,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:23,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:23,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:23" (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 12:07:23,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 12:07:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 12:07:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 12:07:23,207 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:07:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:07:23,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:07:23,499 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:07:23,499 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:07:23,501 INFO L202 PluginConnector]: Adding new model bug-double-call.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:23 BoogieIcfgContainer [2019-08-05 12:07:23,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:23,501 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:23,502 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:23,502 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:23,504 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:23" (1/1) ... [2019-08-05 12:07:23,515 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:07:23,518 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:23,525 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 12:07:23,533 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:23,535 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 12:07:23,769 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-08-05 12:07:23,888 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2019-08-05 12:07:24,008 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:24,008 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:24,011 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 27#true [2019-08-05 12:07:24,019 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:24,022 INFO L168 Benchmark]: Toolchain (without parser) took 924.23 ms. Allocated memory is still 135.3 MB. Free memory was 112.8 MB in the beginning and 86.8 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:24,023 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory is still 113.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:07:24,024 INFO L168 Benchmark]: Boogie Preprocessor took 42.12 ms. Allocated memory is still 135.3 MB. Free memory was 112.8 MB in the beginning and 110.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:24,025 INFO L168 Benchmark]: RCFGBuilder took 361.09 ms. Allocated memory is still 135.3 MB. Free memory was 110.6 MB in the beginning and 100.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:24,026 INFO L168 Benchmark]: Symbolic Interpretation took 517.81 ms. Allocated memory is still 135.3 MB. Free memory was 100.5 MB in the beginning and 86.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:24,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 28]: 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 0.21 ms. Allocated memory is still 135.3 MB. Free memory is still 113.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.12 ms. Allocated memory is still 135.3 MB. Free memory was 112.8 MB in the beginning and 110.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 361.09 ms. Allocated memory is still 135.3 MB. Free memory was 110.6 MB in the beginning and 100.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 517.81 ms. Allocated memory is still 135.3 MB. Free memory was 100.5 MB in the beginning and 86.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...