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_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:34:07,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:34:07,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:34:07,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:34:07,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:34:07,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:34:07,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:34:07,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:34:07,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:34:07,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:34:07,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:34:07,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:34:07,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:34:07,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:34:07,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:34:07,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:34:07,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:34:07,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:34:07,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:34:07,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:34:07,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:34:07,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:34:07,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:34:07,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:34:07,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:34:07,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:34:07,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:34:07,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:34:07,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:34:07,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:34:07,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:34:07,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:34:07,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:34:07,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:34:07,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:34:07,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:34:07,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:34:07,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:34:07,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:34:07,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:34:07,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:34:07,482 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 08:34:07,498 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:34:07,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:34:07,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:34:07,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:34:07,500 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:34:07,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:34:07,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:34:07,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:34:07,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:34:07,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:34:07,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:34:07,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:34:07,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:34:07,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:34:07,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:34:07,502 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:34:07,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:34:07,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:34:07,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:34:07,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:34:07,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:34:07,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:34:07,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:34:07,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:34:07,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:34:07,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:34:07,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:34:07,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:34:07,505 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 08:34:07,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:34:07,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:34:07,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:34:07,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:34:07,559 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:34:07,560 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_2.i [2019-09-06 08:34:07,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ad409cd/a59897b4b53f4b8b96b5f3a1e4f7c8ca/FLAG74c25339e [2019-09-06 08:34:08,025 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:34:08,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_2.i [2019-09-06 08:34:08,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ad409cd/a59897b4b53f4b8b96b5f3a1e4f7c8ca/FLAG74c25339e [2019-09-06 08:34:08,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ad409cd/a59897b4b53f4b8b96b5f3a1e4f7c8ca [2019-09-06 08:34:08,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:34:08,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:34:08,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:34:08,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:34:08,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:34:08,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:34:08" (1/1) ... [2019-09-06 08:34:08,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6775c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:08, skipping insertion in model container [2019-09-06 08:34:08,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:34:08" (1/1) ... [2019-09-06 08:34:08,486 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:34:08,504 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:34:08,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:34:08,740 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:34:08,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:34:08,794 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:34:08,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:08 WrapperNode [2019-09-06 08:34:08,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:34:08,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:34:08,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:34:08,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:34:08,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:08" (1/1) ... [2019-09-06 08:34:08,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:08" (1/1) ... [2019-09-06 08:34:08,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:08" (1/1) ... [2019-09-06 08:34:08,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:08" (1/1) ... [2019-09-06 08:34:08,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:08" (1/1) ... [2019-09-06 08:34:08,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:08" (1/1) ... [2019-09-06 08:34:08,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:08" (1/1) ... [2019-09-06 08:34:08,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:34:08,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:34:08,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:34:08,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:34:08,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:08" (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 08:34:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:34:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:34:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-06 08:34:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-06 08:34:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:34:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:34:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 08:34:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-06 08:34:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-06 08:34:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-06 08:34:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:34:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:34:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:34:09,146 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:34:09,146 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:34:09,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:34:09 BoogieIcfgContainer [2019-09-06 08:34:09,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:34:09,153 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:34:09,153 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:34:09,154 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:34:09,155 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:34:09" (1/1) ... [2019-09-06 08:34:09,163 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 08:34:09,221 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:34:09,221 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:34:09,231 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:34:09,242 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:34:09,244 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:34:09,297 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-06 08:34:09,351 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:34:09,352 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:34:09,354 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 36#true [2019-09-06 08:34:09,366 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:34:09,367 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:34:09,369 INFO L168 Benchmark]: Toolchain (without parser) took 901.84 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.9 MB in the beginning and 157.0 MB in the end (delta: -68.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:34:09,370 INFO L168 Benchmark]: CDTParser took 0.21 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: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:34:09,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.35 ms. Allocated memory is still 133.2 MB. Free memory was 88.7 MB in the beginning and 78.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:09,372 INFO L168 Benchmark]: Boogie Preprocessor took 132.31 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 78.8 MB in the beginning and 176.7 MB in the end (delta: -97.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:09,373 INFO L168 Benchmark]: RCFGBuilder took 219.97 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 164.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:09,374 INFO L168 Benchmark]: Sifa took 213.72 ms. Allocated memory is still 199.8 MB. Free memory was 164.4 MB in the beginning and 157.0 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:09,378 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 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 323.35 ms. Allocated memory is still 133.2 MB. Free memory was 88.7 MB in the beginning and 78.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.31 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 78.8 MB in the beginning and 176.7 MB in the end (delta: -97.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 219.97 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 164.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Sifa took 213.72 ms. Allocated memory is still 199.8 MB. Free memory was 164.4 MB in the beginning and 157.0 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 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]: 133, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 19, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 12, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 12, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_TIME[ms]: 17, 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]: 9, 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]: 39, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, 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...