/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loops/while_infinite_loop_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:42:49,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:42:49,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:42:49,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:42:49,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:42:49,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:42:49,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:42:49,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:42:49,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:42:49,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:42:49,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:42:49,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:42:49,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:42:49,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:42:49,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:42:49,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:42:49,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:42:49,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:42:49,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:42:49,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:42:49,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:42:49,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:42:49,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:42:49,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:42:49,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:42:49,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:42:49,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:42:49,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:42:49,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:42:49,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:42:49,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:42:49,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:42:49,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:42:49,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:42:49,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:42:49,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:42:49,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:42:49,958 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:42:49,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:42:49,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:42:49,959 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:42:49,959 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:42:49,960 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:42:49,960 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:42:49,960 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:42:49,960 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:42:49,960 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:42:49,961 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:42:49,961 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:42:49,961 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:42:49,961 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:42:49,961 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:42:49,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:42:49,962 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:42:49,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:42:49,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:42:49,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:42:49,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:42:49,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:42:49,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:42:49,964 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:42:49,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:42:49,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:42:49,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:42:49,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:42:49,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:42:49,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:42:49,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:42:49,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:42:49,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:42:49,966 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:42:49,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:42:49,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:42:49,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:42:49,966 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:42:50,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:42:50,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:42:50,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:42:50,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:42:50,295 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:42:50,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_1.c [2019-11-24 16:42:50,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3532640bf/2a088bbcc2234fc6abeb986df275d1bc/FLAG0874844b0 [2019-11-24 16:42:50,861 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:42:50,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_1.c [2019-11-24 16:42:50,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3532640bf/2a088bbcc2234fc6abeb986df275d1bc/FLAG0874844b0 [2019-11-24 16:42:51,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3532640bf/2a088bbcc2234fc6abeb986df275d1bc [2019-11-24 16:42:51,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:42:51,245 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:42:51,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:42:51,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:42:51,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:42:51,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193a5221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51, skipping insertion in model container [2019-11-24 16:42:51,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:42:51,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:42:51,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:42:51,438 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:42:51,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:42:51,470 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:42:51,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51 WrapperNode [2019-11-24 16:42:51,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:42:51,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:42:51,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:42:51,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:42:51,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:42:51,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:42:51,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:42:51,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:42:51,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:42:51,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:42:51,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:42:51,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:42:51,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:51" (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 [2019-11-24 16:42:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:42:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:42:51,835 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:42:51,835 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 16:42:51,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:42:51 BoogieIcfgContainer [2019-11-24 16:42:51,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:42:51,837 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:42:51,837 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:42:51,838 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:42:51,839 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:42:51" (1/1) ... [2019-11-24 16:42:51,840 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 16:42:51,878 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 16:42:51,878 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:42:51,890 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:42:51,906 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:42:51,907 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:42:52,072 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:42:52,080 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-11-24 16:42:52,081 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:42:52,083 INFO L168 Benchmark]: Toolchain (without parser) took 837.40 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 159.1 MB in the end (delta: -58.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:52,084 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 16:42:52,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.74 ms. Allocated memory is still 135.8 MB. Free memory was 100.6 MB in the beginning and 91.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:52,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.60 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 91.0 MB in the beginning and 179.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:52,087 INFO L168 Benchmark]: Boogie Preprocessor took 20.29 ms. Allocated memory is still 200.3 MB. Free memory was 179.4 MB in the beginning and 178.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:52,088 INFO L168 Benchmark]: RCFGBuilder took 234.04 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 167.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:52,090 INFO L168 Benchmark]: Sifa took 243.54 ms. Allocated memory is still 200.3 MB. Free memory was 167.8 MB in the beginning and 159.1 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:52,095 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.74 ms. Allocated memory is still 135.8 MB. Free memory was 100.6 MB in the beginning and 91.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 110.60 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 91.0 MB in the beginning and 179.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.29 ms. Allocated memory is still 200.3 MB. Free memory was 179.4 MB in the beginning and 178.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.04 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 167.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Sifa took 243.54 ms. Allocated memory is still 200.3 MB. Free memory was 167.8 MB in the beginning and 159.1 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 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]: 196, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 4, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 30, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 9, TOOLS_QUANTIFIERELIM_TIME[ms]: 26, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 72, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 15, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 103, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 103, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 60, DAG_COMPRESSION_RETAINED_NODES: 23 - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...