java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.simplification.technique SIMPLIFY_DDA -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/alias_of_return.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a2187f8 [2019-09-02 15:15:14,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-02 15:15:14,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-02 15:15:14,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-02 15:15:14,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-02 15:15:14,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-02 15:15:14,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-02 15:15:14,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-02 15:15:14,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-02 15:15:14,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-02 15:15:14,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-02 15:15:14,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-02 15:15:14,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-02 15:15:14,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-02 15:15:14,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-02 15:15:14,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-02 15:15:14,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-02 15:15:14,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-02 15:15:14,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-02 15:15:14,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-02 15:15:14,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-02 15:15:14,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-02 15:15:14,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-02 15:15:14,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-02 15:15:14,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-02 15:15:14,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-02 15:15:14,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-02 15:15:14,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-02 15:15:14,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-02 15:15:14,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-02 15:15:14,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-02 15:15:14,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-02 15:15:14,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-02 15:15:14,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-02 15:15:14,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-02 15:15:14,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-02 15:15:14,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-02 15:15:14,396 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-02 15:15:14,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-02 15:15:14,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-02 15:15:14,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-02 15:15:14,399 INFO L138 SettingsManager]: * Use SBE=true [2019-09-02 15:15:14,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-02 15:15:14,399 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-02 15:15:14,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-02 15:15:14,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-02 15:15:14,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-02 15:15:14,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-02 15:15:14,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-02 15:15:14,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-02 15:15:14,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-02 15:15:14,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-02 15:15:14,402 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-02 15:15:14,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-02 15:15:14,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-02 15:15:14,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-02 15:15:14,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-02 15:15:14,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-02 15:15:14,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-02 15:15:14,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-02 15:15:14,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-02 15:15:14,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-02 15:15:14,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-02 15:15:14,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-02 15:15:14,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-02 15:15:14,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-02 15:15:14,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-02 15:15:14,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-02 15:15:14,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-02 15:15:14,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-02 15:15:14,479 INFO L275 PluginConnector]: CDTParser initialized [2019-09-02 15:15:14,480 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alias_of_return.i [2019-09-02 15:15:14,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/350bfd900/1375828960384dcd89d215dcd073317e/FLAGeac39ea87 [2019-09-02 15:15:14,918 INFO L306 CDTParser]: Found 1 translation units. [2019-09-02 15:15:14,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alias_of_return.i [2019-09-02 15:15:14,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/350bfd900/1375828960384dcd89d215dcd073317e/FLAGeac39ea87 [2019-09-02 15:15:15,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/350bfd900/1375828960384dcd89d215dcd073317e [2019-09-02 15:15:15,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-02 15:15:15,314 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-02 15:15:15,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-02 15:15:15,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-02 15:15:15,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-02 15:15:15,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 03:15:15" (1/1) ... [2019-09-02 15:15:15,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251dd4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:15, skipping insertion in model container [2019-09-02 15:15:15,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 03:15:15" (1/1) ... [2019-09-02 15:15:15,329 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-02 15:15:15,346 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-02 15:15:15,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 15:15:15,551 INFO L188 MainTranslator]: Completed pre-run [2019-09-02 15:15:15,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 15:15:15,583 INFO L192 MainTranslator]: Completed translation [2019-09-02 15:15:15,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:15 WrapperNode [2019-09-02 15:15:15,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-02 15:15:15,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-02 15:15:15,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-02 15:15:15,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-02 15:15:15,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:15" (1/1) ... [2019-09-02 15:15:15,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:15" (1/1) ... [2019-09-02 15:15:15,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:15" (1/1) ... [2019-09-02 15:15:15,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:15" (1/1) ... [2019-09-02 15:15:15,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:15" (1/1) ... [2019-09-02 15:15:15,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:15" (1/1) ... [2019-09-02 15:15:15,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:15" (1/1) ... [2019-09-02 15:15:15,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-02 15:15:15,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-02 15:15:15,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-02 15:15:15,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-02 15:15:15,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:15" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-02 15:15:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-02 15:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-02 15:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-09-02 15:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure return_self [2019-09-02 15:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-02 15:15:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-02 15:15:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-09-02 15:15:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure return_self [2019-09-02 15:15:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-02 15:15:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-02 15:15:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-02 15:15:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-02 15:15:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-02 15:15:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-02 15:15:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-02 15:15:15,935 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-02 15:15:15,936 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-02 15:15:15,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 03:15:15 BoogieIcfgContainer [2019-09-02 15:15:15,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-02 15:15:15,938 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-02 15:15:15,938 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-02 15:15:15,938 INFO L275 PluginConnector]: Sifa initialized [2019-09-02 15:15:15,940 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 03:15:15" (1/1) ... [2019-09-02 15:15:15,940 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-02 15:15:15,995 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-02 15:15:15,995 INFO L169 IcfgInterpreter]: Building call graph [2019-09-02 15:15:16,003 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-02 15:15:16,015 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-02 15:15:16,016 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-02 15:15:16,251 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 19 for LOIs [2019-09-02 15:15:16,589 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-02 15:15:16,591 INFO L199 IcfgInterpreter]: Interpreting procedure err with input of size 1 for LOIs [2019-09-02 15:15:16,606 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-02 15:15:16,606 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-02 15:15:16,608 INFO L193 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 28#false [2019-09-02 15:15:16,616 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-02 15:15:16,616 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-02 15:15:16,618 INFO L168 Benchmark]: Toolchain (without parser) took 1303.65 ms. Allocated memory was 134.7 MB in the beginning and 197.1 MB in the end (delta: 62.4 MB). Free memory was 85.9 MB in the beginning and 108.5 MB in the end (delta: -22.5 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. [2019-09-02 15:15:16,619 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-02 15:15:16,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.90 ms. Allocated memory is still 134.7 MB. Free memory was 85.7 MB in the beginning and 76.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-02 15:15:16,621 INFO L168 Benchmark]: Boogie Preprocessor took 117.18 ms. Allocated memory was 134.7 MB in the beginning and 197.1 MB in the end (delta: 62.4 MB). Free memory was 76.4 MB in the beginning and 175.1 MB in the end (delta: -98.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-09-02 15:15:16,622 INFO L168 Benchmark]: RCFGBuilder took 235.71 ms. Allocated memory is still 197.1 MB. Free memory was 175.1 MB in the beginning and 162.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-02 15:15:16,622 INFO L168 Benchmark]: Sifa took 678.58 ms. Allocated memory is still 197.1 MB. Free memory was 162.2 MB in the beginning and 108.5 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. [2019-09-02 15:15:16,627 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 268.90 ms. Allocated memory is still 134.7 MB. Free memory was 85.7 MB in the beginning and 76.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.18 ms. Allocated memory was 134.7 MB in the beginning and 197.1 MB in the end (delta: 62.4 MB). Free memory was 76.4 MB in the beginning and 175.1 MB in the end (delta: -98.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 235.71 ms. Allocated memory is still 197.1 MB. Free memory was 175.1 MB in the beginning and 162.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Sifa took 678.58 ms. Allocated memory is still 197.1 MB. Free memory was 162.2 MB in the beginning and 108.5 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.6s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 13 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 8 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 4 TOOLS_POST_CALL_APPLICATIONS, 0.1s TOOLS_POST_CALL_TIME, 2 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.1s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 13 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 3 DOMAIN_JOIN_APPLICATIONS, 0.4s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 0 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 2 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 0.4s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 44 DAG_COMPRESSION_PROCESSED_NODES, 32 DAG_COMPRESSION_RETAINED_NODES - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...