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_8.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:34:16,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:34:16,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:34:16,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:34:16,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:34:16,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:34:16,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:34:16,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:34:16,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:34:16,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:34:16,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:34:16,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:34:16,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:34:16,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:34:16,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:34:16,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:34:16,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:34:16,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:34:16,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:34:16,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:34:16,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:34:16,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:34:16,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:34:16,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:34:16,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:34:16,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:34:16,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:34:16,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:34:16,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:34:16,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:34:16,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:34:16,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:34:16,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:34:16,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:34:16,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:34:16,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:34:16,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:34:16,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:34:16,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:34:16,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:34:16,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:34:16,330 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 08:34:16,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:34:16,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:34:16,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:34:16,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:34:16,362 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:34:16,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:34:16,363 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:34:16,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:34:16,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:34:16,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:34:16,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:34:16,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:34:16,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:34:16,364 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:34:16,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:34:16,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:34:16,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:34:16,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:34:16,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:34:16,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:34:16,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:34:16,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:34:16,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:34:16,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:34:16,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:34:16,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:34:16,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:34:16,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:34:16,370 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 08:34:16,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:34:16,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:34:16,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:34:16,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:34:16,445 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:34:16,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_8.i [2019-09-06 08:34:16,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c88f56f/613df3cb1829483da2c4b2ace6fde5bb/FLAG8731045dd [2019-09-06 08:34:16,885 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:34:16,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_8.i [2019-09-06 08:34:16,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c88f56f/613df3cb1829483da2c4b2ace6fde5bb/FLAG8731045dd [2019-09-06 08:34:17,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c88f56f/613df3cb1829483da2c4b2ace6fde5bb [2019-09-06 08:34:17,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:34:17,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:34:17,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:34:17,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:34:17,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:34:17,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:34:17" (1/1) ... [2019-09-06 08:34:17,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6e5bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:17, skipping insertion in model container [2019-09-06 08:34:17,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:34:17" (1/1) ... [2019-09-06 08:34:17,300 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:34:17,320 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:34:17,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:34:17,539 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:34:17,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:34:17,575 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:34:17,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:17 WrapperNode [2019-09-06 08:34:17,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:34:17,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:34:17,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:34:17,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:34:17,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:17" (1/1) ... [2019-09-06 08:34:17,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:17" (1/1) ... [2019-09-06 08:34:17,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:17" (1/1) ... [2019-09-06 08:34:17,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:17" (1/1) ... [2019-09-06 08:34:17,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:17" (1/1) ... [2019-09-06 08:34:17,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:17" (1/1) ... [2019-09-06 08:34:17,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:17" (1/1) ... [2019-09-06 08:34:17,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:34:17,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:34:17,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:34:17,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:34:17,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:17" (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 08:34:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:34:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:34:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-06 08:34:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-06 08:34:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:34:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:34:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 08:34:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-06 08:34:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-06 08:34:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-06 08:34:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:34:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:34:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:34:17,901 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:34:17,902 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:34:17,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:34:17 BoogieIcfgContainer [2019-09-06 08:34:17,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:34:17,904 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:34:17,904 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:34:17,904 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:34:17,915 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:34:17" (1/1) ... [2019-09-06 08:34:17,915 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 08:34:17,975 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:34:17,976 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:34:17,992 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:34:18,002 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:34:18,004 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:34:18,056 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-06 08:34:18,101 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:34:18,101 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:34:18,103 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 36#true [2019-09-06 08:34:18,117 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:34:18,117 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:34:18,119 INFO L168 Benchmark]: Toolchain (without parser) took 834.62 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 89.2 MB in the beginning and 157.0 MB in the end (delta: -67.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:34:18,121 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:34:18,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.55 ms. Allocated memory is still 132.6 MB. Free memory was 88.8 MB in the beginning and 79.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:18,123 INFO L168 Benchmark]: Boogie Preprocessor took 123.16 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 79.1 MB in the beginning and 176.7 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:18,124 INFO L168 Benchmark]: RCFGBuilder took 203.02 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 164.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:18,124 INFO L168 Benchmark]: Sifa took 213.18 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 157.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:18,128 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 291.55 ms. Allocated memory is still 132.6 MB. Free memory was 88.8 MB in the beginning and 79.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.16 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 79.1 MB in the beginning and 176.7 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 203.02 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 164.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * Sifa took 213.18 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 157.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 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]: 128, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 19, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 10, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 9, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 19, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 18, 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]: 4, 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]: 33, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, 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...