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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/alias_of_return.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:27:44,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:27:44,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:27:44,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:27:44,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:27:44,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:27:44,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:27:44,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:27:44,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:27:44,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:27:44,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:27:44,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:27:44,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:27:44,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:27:44,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:27:44,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:27:44,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:27:44,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:27:44,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:27:44,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:27:44,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:27:44,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:27:44,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:27:44,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:27:44,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 18:27:44,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:27:44,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:27:44,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:27:44,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:27:44,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:27:44,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:27:44,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:27:44,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:27:44,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:27:44,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:27:44,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:27:44,952 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 [2019-09-20 18:27:44,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:27:44,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:27:44,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:27:44,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:27:44,969 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:27:44,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:27:44,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:27:44,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:27:44,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:27:44,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:27:44,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:27:44,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:27:44,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:27:44,971 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:27:44,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:27:44,971 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:27:44,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:27:44,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:27:44,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:27:44,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:27:44,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:27:44,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:27:44,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:27:44,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:27:44,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:27:44,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:27:44,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:27:44,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:27:44,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:27:45,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:27:45,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:27:45,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:27:45,023 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:27:45,023 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:27:45,024 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alias_of_return.i [2019-09-20 18:27:45,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845324507/cd10de8b51184e4499361abff321fab1/FLAG01df68148 [2019-09-20 18:27:45,465 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:27:45,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alias_of_return.i [2019-09-20 18:27:45,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845324507/cd10de8b51184e4499361abff321fab1/FLAG01df68148 [2019-09-20 18:27:45,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845324507/cd10de8b51184e4499361abff321fab1 [2019-09-20 18:27:45,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:27:45,863 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:27:45,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:27:45,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:27:45,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:27:45,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:27:45" (1/1) ... [2019-09-20 18:27:45,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790f6681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:45, skipping insertion in model container [2019-09-20 18:27:45,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:27:45" (1/1) ... [2019-09-20 18:27:45,881 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:27:45,898 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:27:46,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:27:46,082 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:27:46,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:27:46,125 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:27:46,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:46 WrapperNode [2019-09-20 18:27:46,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:27:46,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:27:46,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:27:46,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:27:46,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:46" (1/1) ... [2019-09-20 18:27:46,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:46" (1/1) ... [2019-09-20 18:27:46,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:46" (1/1) ... [2019-09-20 18:27:46,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:46" (1/1) ... [2019-09-20 18:27:46,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:46" (1/1) ... [2019-09-20 18:27:46,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:46" (1/1) ... [2019-09-20 18:27:46,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:46" (1/1) ... [2019-09-20 18:27:46,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:27:46,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:27:46,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:27:46,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:27:46,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:27:46" (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 [2019-09-20 18:27:46,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:27:46,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:27:46,369 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-09-20 18:27:46,369 INFO L138 BoogieDeclarations]: Found implementation of procedure return_self [2019-09-20 18:27:46,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:27:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:27:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-09-20 18:27:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure return_self [2019-09-20 18:27:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:27:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:27:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:27:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:27:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:27:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:27:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:27:46,534 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:27:46,534 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 18:27:46,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:27:46 BoogieIcfgContainer [2019-09-20 18:27:46,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:27:46,536 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:27:46,537 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:27:46,537 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:27:46,538 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:27:46" (1/1) ... [2019-09-20 18:27:46,539 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:27:46,578 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:27:46,578 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:27:46,588 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:27:46,599 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:27:46,601 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:27:46,800 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-20 18:27:47,037 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:27:47,041 INFO L199 IcfgInterpreter]: Interpreting procedure err with input of size 1 for LOIs [2019-09-20 18:27:47,045 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:27:47,046 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:27:47,048 INFO L193 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 22#false [2019-09-20 18:27:47,055 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 18:27:47,056 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:27:47,058 INFO L168 Benchmark]: Toolchain (without parser) took 1194.15 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 90.9 MB in the beginning and 139.2 MB in the end (delta: -48.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:27:47,058 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:27:47,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.28 ms. Allocated memory is still 141.0 MB. Free memory was 90.5 MB in the beginning and 81.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 18:27:47,060 INFO L168 Benchmark]: Boogie Preprocessor took 37.60 ms. Allocated memory is still 141.0 MB. Free memory was 81.1 MB in the beginning and 79.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-09-20 18:27:47,061 INFO L168 Benchmark]: RCFGBuilder took 371.12 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 79.6 MB in the beginning and 169.7 MB in the end (delta: -90.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-20 18:27:47,062 INFO L168 Benchmark]: Sifa took 519.31 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 139.2 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:27:47,066 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 262.28 ms. Allocated memory is still 141.0 MB. Free memory was 90.5 MB in the beginning and 81.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.60 ms. Allocated memory is still 141.0 MB. Free memory was 81.1 MB in the beginning and 79.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 371.12 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 79.6 MB in the beginning and 169.7 MB in the end (delta: -90.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Sifa took 519.31 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 139.2 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 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]: 470, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 89, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 223, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 8, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 305, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 170, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 13, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 57, 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]: 142, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 141, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 32 - 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...