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/regression/open/eq/42_basic_memleak_twomallocs_twofrees.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:15:56,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:56,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:56,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:56,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:56,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:56,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:56,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:56,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:56,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:56,646 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:56,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:56,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:56,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:56,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:56,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:56,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:56,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:56,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:56,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:56,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:56,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:56,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:56,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:56,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:56,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:56,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:56,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:56,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:56,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:56,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:56,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:56,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:56,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:56,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:56,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:56,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:56,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:56,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:56,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:56,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:56,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:56,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:56,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:56,720 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:56,720 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:56,721 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/eq/42_basic_memleak_twomallocs_twofrees.bpl [2019-08-05 18:15:56,721 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/eq/42_basic_memleak_twomallocs_twofrees.bpl' [2019-08-05 18:15:56,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:56,756 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:56,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:56,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:56,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:56,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "42_basic_memleak_twomallocs_twofrees.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:56" (1/1) ... [2019-08-05 18:15:56,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "42_basic_memleak_twomallocs_twofrees.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:56" (1/1) ... [2019-08-05 18:15:56,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "42_basic_memleak_twomallocs_twofrees.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:56" (1/1) ... [2019-08-05 18:15:56,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "42_basic_memleak_twomallocs_twofrees.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:56" (1/1) ... [2019-08-05 18:15:56,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "42_basic_memleak_twomallocs_twofrees.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:56" (1/1) ... [2019-08-05 18:15:56,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "42_basic_memleak_twomallocs_twofrees.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:56" (1/1) ... [2019-08-05 18:15:56,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "42_basic_memleak_twomallocs_twofrees.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:56" (1/1) ... [2019-08-05 18:15:56,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:56,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:56,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:56,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:56,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "42_basic_memleak_twomallocs_twofrees.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:56" (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 18:15:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:15:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:15:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-05 18:15:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure freemem [2019-08-05 18:15:57,053 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:15:57,054 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:15:57,055 INFO L202 PluginConnector]: Adding new model 42_basic_memleak_twomallocs_twofrees.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:57 BoogieIcfgContainer [2019-08-05 18:15:57,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:57,056 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:57,056 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:57,057 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:57,058 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "42_basic_memleak_twomallocs_twofrees.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:57" (1/1) ... [2019-08-05 18:15:57,071 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:15:57,074 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:57,087 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:15:57,096 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:15:57,098 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:15:57,163 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:15:57,164 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:15:57,168 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (= valid (store (store (store (store main_old_valid main_p true) main_q true) main_p false) main_q false)) (not (select main_old_valid main_p)) (not (= valid main_old_valid)) (not (select (store main_old_valid main_p true) main_q))) [2019-08-05 18:15:57,169 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:15:57,177 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:15:57,180 INFO L168 Benchmark]: Toolchain (without parser) took 423.32 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 91.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:57,181 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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. [2019-08-05 18:15:57,184 INFO L168 Benchmark]: Boogie Preprocessor took 44.07 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 104.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:57,187 INFO L168 Benchmark]: RCFGBuilder took 254.50 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 95.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:57,189 INFO L168 Benchmark]: Symbolic Interpretation took 121.16 ms. Allocated memory is still 137.9 MB. Free memory was 95.0 MB in the beginning and 91.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:57,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 24]: 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 0.23 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 44.07 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 104.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 254.50 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 95.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 121.16 ms. Allocated memory is still 137.9 MB. Free memory was 95.0 MB in the beginning and 91.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...