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 IntervalDomain -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_3_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:34:11,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:34:11,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:34:11,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:34:11,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:34:11,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:34:11,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:34:11,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:34:11,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:34:11,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:34:11,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:34:11,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:34:11,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:34:11,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:34:11,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:34:11,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:34:11,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:34:11,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:34:11,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:34:11,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:34:11,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:34:11,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:34:11,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:34:11,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:34:11,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:34:11,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:34:11,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:34:11,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:34:11,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:34:11,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:34:11,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:34:11,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:34:11,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:34:11,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:34:11,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:34:11,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:34:11,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:34:11,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:34:11,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:34:11,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:34:11,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:34:11,890 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 [2019-09-06 08:34:11,905 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:34:11,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:34:11,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:34:11,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:34:11,907 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:34:11,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:34:11,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:34:11,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:34:11,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:34:11,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:34:11,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:34:11,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:34:11,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:34:11,909 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:34:11,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:34:11,909 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:34:11,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:34:11,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:34:11,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:34:11,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:34:11,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:34:11,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:34:11,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:34:11,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:34:11,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:34:11,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:34:11,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:34:11,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:34:11,912 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: Abstract Domain -> IntervalDomain [2019-09-06 08:34:11,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:34:11,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:34:11,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:34:11,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:34:11,979 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:34:11,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_4.i [2019-09-06 08:34:12,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e848ae840/7376f1dd68ae43f983a76a999f2a6f14/FLAG003b52bf8 [2019-09-06 08:34:12,537 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:34:12,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_4.i [2019-09-06 08:34:12,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e848ae840/7376f1dd68ae43f983a76a999f2a6f14/FLAG003b52bf8 [2019-09-06 08:34:12,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e848ae840/7376f1dd68ae43f983a76a999f2a6f14 [2019-09-06 08:34:12,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:34:12,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:34:12,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:34:12,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:34:12,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:34:12,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:34:12" (1/1) ... [2019-09-06 08:34:12,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c549c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:12, skipping insertion in model container [2019-09-06 08:34:12,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:34:12" (1/1) ... [2019-09-06 08:34:12,972 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:34:12,996 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:34:13,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:34:13,220 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:34:13,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:34:13,264 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:34:13,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:13 WrapperNode [2019-09-06 08:34:13,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:34:13,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:34:13,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:34:13,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:34:13,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:13" (1/1) ... [2019-09-06 08:34:13,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:13" (1/1) ... [2019-09-06 08:34:13,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:13" (1/1) ... [2019-09-06 08:34:13,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:13" (1/1) ... [2019-09-06 08:34:13,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:13" (1/1) ... [2019-09-06 08:34:13,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:13" (1/1) ... [2019-09-06 08:34:13,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:13" (1/1) ... [2019-09-06 08:34:13,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:34:13,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:34:13,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:34:13,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:34:13,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:13" (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 [2019-09-06 08:34:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:34:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:34:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-06 08:34:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-06 08:34:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:34:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:34:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 08:34:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-06 08:34:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-06 08:34:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-06 08:34:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:34:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:34:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:34:13,606 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:34:13,606 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:34:13,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:34:13 BoogieIcfgContainer [2019-09-06 08:34:13,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:34:13,609 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:34:13,609 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:34:13,609 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:34:13,611 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:34:13" (1/1) ... [2019-09-06 08:34:13,611 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 08:34:13,688 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:34:13,688 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:34:13,705 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:34:13,720 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:34:13,722 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:34:13,794 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-06 08:34:13,857 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:34:13,857 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:34:13,859 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 36#true [2019-09-06 08:34:13,871 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:34:13,872 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:34:13,874 INFO L168 Benchmark]: Toolchain (without parser) took 921.86 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.4 MB in the beginning and 159.4 MB in the end (delta: -72.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:34:13,875 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:34:13,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.22 ms. Allocated memory is still 141.0 MB. Free memory was 87.0 MB in the beginning and 77.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:13,877 INFO L168 Benchmark]: Boogie Preprocessor took 124.72 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 77.2 MB in the beginning and 177.9 MB in the end (delta: -100.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:13,878 INFO L168 Benchmark]: RCFGBuilder took 212.46 ms. Allocated memory is still 200.8 MB. Free memory was 177.9 MB in the beginning and 166.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:13,879 INFO L168 Benchmark]: Sifa took 262.96 ms. Allocated memory is still 200.8 MB. Free memory was 166.9 MB in the beginning and 159.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:13,883 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 309.22 ms. Allocated memory is still 141.0 MB. Free memory was 87.0 MB in the beginning and 77.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.72 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 77.2 MB in the beginning and 177.9 MB in the end (delta: -100.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 212.46 ms. Allocated memory is still 200.8 MB. Free memory was 177.9 MB in the beginning and 166.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Sifa took 262.96 ms. Allocated memory is still 200.8 MB. Free memory was 166.9 MB in the beginning and 159.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 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]: 172, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 19, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 17, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 12, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 8, TOOLS_QUANTIFIERELIM_TIME[ms]: 25, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 19, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 21, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, 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: 7, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 43, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 65, DAG_COMPRESSION_RETAINED_NODES: 34 - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 36#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...