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/non_con/expr-iff.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:06,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:06,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:06,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:06,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:06,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:06,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:06,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:06,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:06,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:06,554 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:06,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:06,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:06,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:06,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:06,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:06,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:06,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:06,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:06,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:06,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:06,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:06,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:06,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:06,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:06,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:06,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:06,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:06,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:06,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:06,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:06,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:06,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:06,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:06,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:06,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:06,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:06,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:06,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:06,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:06,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:06,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:06,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:06,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:06,658 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:06,658 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:06,659 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_con/expr-iff.bpl [2019-08-05 12:07:06,660 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_con/expr-iff.bpl' [2019-08-05 12:07:06,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:06,696 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:06,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:06,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:06,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:06,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "expr-iff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:06" (1/1) ... [2019-08-05 12:07:06,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "expr-iff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:06" (1/1) ... [2019-08-05 12:07:06,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "expr-iff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:06" (1/1) ... [2019-08-05 12:07:06,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "expr-iff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:06" (1/1) ... [2019-08-05 12:07:06,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "expr-iff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:06" (1/1) ... [2019-08-05 12:07:06,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "expr-iff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:06" (1/1) ... [2019-08-05 12:07:06,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "expr-iff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:06" (1/1) ... [2019-08-05 12:07:06,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:06,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:06,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:06,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:06,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-iff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:06" (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 12:07:06,826 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:07:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:07:06,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:07:07,075 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:07:07,075 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:07,076 INFO L202 PluginConnector]: Adding new model expr-iff.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:07 BoogieIcfgContainer [2019-08-05 12:07:07,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:07,077 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:07,077 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:07,077 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:07,079 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "expr-iff.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:07" (1/1) ... [2019-08-05 12:07:07,089 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:07:07,092 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:07,100 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 12:07:07,110 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:07,111 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 12:07:07,193 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:07,193 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:07,195 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 6#false [2019-08-05 12:07:07,197 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:07,200 INFO L168 Benchmark]: Toolchain (without parser) took 503.31 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 93.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:07,201 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory is still 110.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:07:07,202 INFO L168 Benchmark]: Boogie Preprocessor took 47.22 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 107.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:07,203 INFO L168 Benchmark]: RCFGBuilder took 332.33 ms. Allocated memory is still 131.6 MB. Free memory was 107.0 MB in the beginning and 97.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:07,205 INFO L168 Benchmark]: Symbolic Interpretation took 120.89 ms. Allocated memory is still 131.6 MB. Free memory was 97.6 MB in the beginning and 93.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:07,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - AllSpecificationsHoldResult: All specifications hold All locations of interest are guaranteed to be unreachable. * 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 131.6 MB. Free memory is still 110.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.22 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 107.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 332.33 ms. Allocated memory is still 131.6 MB. Free memory was 107.0 MB in the beginning and 97.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 120.89 ms. Allocated memory is still 131.6 MB. Free memory was 97.6 MB in the beginning and 93.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...