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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/alias_of_return_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 08:48:08,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 08:48:08,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 08:48:08,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 08:48:08,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 08:48:08,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 08:48:08,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 08:48:08,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 08:48:08,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 08:48:08,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 08:48:08,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 08:48:08,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 08:48:08,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 08:48:08,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 08:48:08,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 08:48:08,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 08:48:08,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 08:48:08,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 08:48:08,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 08:48:08,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 08:48:08,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 08:48:08,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 08:48:08,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 08:48:08,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 08:48:08,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 08:48:08,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 08:48:08,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 08:48:08,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 08:48:08,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 08:48:08,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 08:48:08,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 08:48:08,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 08:48:08,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 08:48:08,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 08:48:08,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 08:48:08,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 08:48:08,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 08:48:08,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 08:48:08,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 08:48:08,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 08:48:08,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 08:48:08,641 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 [2019-10-04 08:48:08,656 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 08:48:08,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 08:48:08,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 08:48:08,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 08:48:08,658 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 08:48:08,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 08:48:08,659 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 08:48:08,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 08:48:08,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 08:48:08,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 08:48:08,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 08:48:08,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 08:48:08,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 08:48:08,660 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 08:48:08,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 08:48:08,660 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 08:48:08,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 08:48:08,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 08:48:08,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 08:48:08,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 08:48:08,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 08:48:08,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 08:48:08,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 08:48:08,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 08:48:08,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 08:48:08,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 08:48:08,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 08:48:08,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 08:48:08,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 08:48:08,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 08:48:08,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 08:48:08,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 08:48:08,720 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 08:48:08,721 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 08:48:08,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alias_of_return_2.i [2019-10-04 08:48:08,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd9f8ad8/e1512ab594664275a6613d43a0a7ba6e/FLAGa31828752 [2019-10-04 08:48:09,251 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 08:48:09,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alias_of_return_2.i [2019-10-04 08:48:09,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd9f8ad8/e1512ab594664275a6613d43a0a7ba6e/FLAGa31828752 [2019-10-04 08:48:09,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd9f8ad8/e1512ab594664275a6613d43a0a7ba6e [2019-10-04 08:48:09,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 08:48:09,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 08:48:09,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 08:48:09,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 08:48:09,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 08:48:09,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 08:48:09" (1/1) ... [2019-10-04 08:48:09,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431745ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:09, skipping insertion in model container [2019-10-04 08:48:09,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 08:48:09" (1/1) ... [2019-10-04 08:48:09,678 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 08:48:09,695 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 08:48:09,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 08:48:09,914 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 08:48:09,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 08:48:09,943 INFO L192 MainTranslator]: Completed translation [2019-10-04 08:48:09,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:09 WrapperNode [2019-10-04 08:48:09,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 08:48:09,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 08:48:09,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 08:48:09,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 08:48:10,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:09" (1/1) ... [2019-10-04 08:48:10,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:09" (1/1) ... [2019-10-04 08:48:10,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:09" (1/1) ... [2019-10-04 08:48:10,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:09" (1/1) ... [2019-10-04 08:48:10,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:09" (1/1) ... [2019-10-04 08:48:10,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:09" (1/1) ... [2019-10-04 08:48:10,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:09" (1/1) ... [2019-10-04 08:48:10,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 08:48:10,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 08:48:10,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 08:48:10,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 08:48:10,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:09" (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 [2019-10-04 08:48:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 08:48:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 08:48:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-10-04 08:48:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure return_self [2019-10-04 08:48:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 08:48:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 08:48:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-10-04 08:48:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 08:48:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure return_self [2019-10-04 08:48:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 08:48:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 08:48:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 08:48:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 08:48:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 08:48:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 08:48:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 08:48:10,426 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 08:48:10,426 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 08:48:10,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 08:48:10 BoogieIcfgContainer [2019-10-04 08:48:10,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 08:48:10,435 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 08:48:10,436 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 08:48:10,437 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 08:48:10,439 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 08:48:10" (1/1) ... [2019-10-04 08:48:10,440 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 08:48:10,486 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 08:48:10,486 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 08:48:10,494 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 08:48:10,503 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 08:48:10,504 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 08:48:10,685 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-04 08:48:10,882 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 08:48:10,885 INFO L199 IcfgInterpreter]: Interpreting procedure err with input of size 1 for LOIs [2019-10-04 08:48:10,890 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 08:48:10,890 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 08:48:10,892 INFO L193 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 26#false [2019-10-04 08:48:10,900 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-10-04 08:48:10,901 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 08:48:10,903 INFO L168 Benchmark]: Toolchain (without parser) took 1242.72 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.8 MB in the beginning and 142.0 MB in the end (delta: -52.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-10-04 08:48:10,904 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 08:48:10,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.04 ms. Allocated memory is still 133.7 MB. Free memory was 89.6 MB in the beginning and 80.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-04 08:48:10,907 INFO L168 Benchmark]: Boogie Preprocessor took 137.05 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.0 MB in the beginning and 176.8 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-10-04 08:48:10,908 INFO L168 Benchmark]: RCFGBuilder took 349.90 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 160.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-10-04 08:48:10,909 INFO L168 Benchmark]: Sifa took 465.75 ms. Allocated memory is still 200.3 MB. Free memory was 160.8 MB in the beginning and 142.0 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2019-10-04 08:48:10,914 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 283.04 ms. Allocated memory is still 133.7 MB. Free memory was 89.6 MB in the beginning and 80.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.05 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.0 MB in the beginning and 176.8 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 349.90 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 160.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Sifa took 465.75 ms. Allocated memory is still 200.3 MB. Free memory was 160.8 MB in the beginning and 142.0 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 407, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 11, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 105, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 175, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 274, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 118, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 11, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 49, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 146, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 146, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 40, DAG_COMPRESSION_RETAINED_NODES: 28 - 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...