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/float-newlib/float_req_bl_1031.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:50:02,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:50:02,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:50:02,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:50:02,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:50:02,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:50:02,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:50:02,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:50:02,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:50:02,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:50:02,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:50:02,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:50:02,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:50:02,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:50:02,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:50:02,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:50:02,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:50:02,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:50:02,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:50:02,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:50:02,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:50:02,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:50:02,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:50:02,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:50:02,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:50:02,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:50:02,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:50:02,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:50:02,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:50:02,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:50:02,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:50:02,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:50:02,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:50:02,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:50:02,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:50:02,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:50:02,978 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 08:50:02,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:50:02,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:50:02,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:50:02,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:50:03,000 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:50:03,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:50:03,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:50:03,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:50:03,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:50:03,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:50:03,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:50:03,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:50:03,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:50:03,002 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:50:03,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:50:03,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:50:03,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:50:03,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:50:03,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:50:03,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:50:03,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:50:03,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:50:03,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:50:03,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:50:03,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:50:03,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:50:03,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:50:03,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:50:03,006 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 08:50:03,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:50:03,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:50:03,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:50:03,079 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:50:03,079 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:50:03,080 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1031.c [2019-09-06 08:50:03,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d55220aac/19e2624f816b4954bfdeecab4702a02d/FLAG0cd6e1cf0 [2019-09-06 08:50:03,578 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:50:03,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1031.c [2019-09-06 08:50:03,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d55220aac/19e2624f816b4954bfdeecab4702a02d/FLAG0cd6e1cf0 [2019-09-06 08:50:03,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d55220aac/19e2624f816b4954bfdeecab4702a02d [2019-09-06 08:50:03,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:50:03,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:50:03,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:50:03,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:50:03,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:50:03,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:50:03" (1/1) ... [2019-09-06 08:50:03,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f22801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:03, skipping insertion in model container [2019-09-06 08:50:03,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:50:03" (1/1) ... [2019-09-06 08:50:03,983 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:50:03,997 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:50:04,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:50:04,186 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:50:04,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:50:04,331 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:50:04,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:04 WrapperNode [2019-09-06 08:50:04,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:50:04,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:50:04,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:50:04,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:50:04,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:04" (1/1) ... [2019-09-06 08:50:04,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:04" (1/1) ... [2019-09-06 08:50:04,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:04" (1/1) ... [2019-09-06 08:50:04,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:04" (1/1) ... [2019-09-06 08:50:04,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:04" (1/1) ... [2019-09-06 08:50:04,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:04" (1/1) ... [2019-09-06 08:50:04,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:04" (1/1) ... [2019-09-06 08:50:04,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:50:04,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:50:04,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:50:04,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:50:04,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:04" (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 08:50:04,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:50:04,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:50:04,430 INFO L138 BoogieDeclarations]: Found implementation of procedure round_float [2019-09-06 08:50:04,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-09-06 08:50:04,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:50:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:50:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure round_float [2019-09-06 08:50:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:50:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-06 08:50:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:50:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:50:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:50:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-06 08:50:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-09-06 08:50:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:50:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:50:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:50:04,693 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:50:04,698 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-06 08:50:04,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:50:04 BoogieIcfgContainer [2019-09-06 08:50:04,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:50:04,704 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:50:04,704 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:50:04,704 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:50:04,709 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:50:04" (1/1) ... [2019-09-06 08:50:04,710 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 08:50:04,765 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:50:04,765 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:50:04,783 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:50:04,795 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:50:04,796 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:50:04,864 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-06 08:50:05,328 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:50:05,329 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:50:05,331 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 61#(and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-06 08:50:05,342 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:50:05,343 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:50:05,345 INFO L168 Benchmark]: Toolchain (without parser) took 1374.81 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 89.2 MB in the beginning and 122.3 MB in the end (delta: -33.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:50:05,346 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-06 08:50:05,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.16 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 89.0 MB in the beginning and 177.6 MB in the end (delta: -88.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:50:05,348 INFO L168 Benchmark]: Boogie Preprocessor took 43.73 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 175.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:50:05,348 INFO L168 Benchmark]: RCFGBuilder took 326.25 ms. Allocated memory is still 200.8 MB. Free memory was 175.2 MB in the beginning and 158.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-09-06 08:50:05,349 INFO L168 Benchmark]: Sifa took 639.23 ms. Allocated memory is still 200.8 MB. Free memory was 158.5 MB in the beginning and 122.3 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:50:05,353 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.16 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 89.0 MB in the beginning and 177.6 MB in the end (delta: -88.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.73 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 175.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 326.25 ms. Allocated memory is still 200.8 MB. Free memory was 175.2 MB in the beginning and 158.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Sifa took 639.23 ms. Allocated memory is still 200.8 MB. Free memory was 158.5 MB in the beginning and 122.3 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 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]: 566, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 45, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 38, TOOLS_POST_TIME[ms]: 393, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_TIME[ms]: 397, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 48, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 17, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 33, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 270, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 270, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 468, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 104, DAG_COMPRESSION_RETAINED_NODES: 57 - UnprovableResult [Line: 70]: 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 61#(and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...