/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/ldv-regression/test_cut_trace.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:03:32,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:03:32,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:03:32,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:03:32,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:03:32,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:03:32,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:03:32,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:03:32,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:03:32,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:03:32,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:03:32,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:03:32,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:03:32,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:03:32,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:03:32,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:03:32,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:03:32,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:03:32,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:03:32,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:03:32,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:03:32,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:03:32,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:03:32,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:03:32,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:03:32,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:03:32,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:03:32,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:03:32,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:03:32,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:03:32,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:03:32,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:03:32,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:03:32,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:03:32,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:03:32,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:03:32,413 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 16:03:32,435 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:03:32,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:03:32,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:03:32,436 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:03:32,436 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:03:32,437 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:03:32,437 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:03:32,437 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:03:32,437 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:03:32,437 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:03:32,438 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:03:32,439 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:03:32,439 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:03:32,439 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:03:32,440 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:03:32,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:03:32,441 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:03:32,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:03:32,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:03:32,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:03:32,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:03:32,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:03:32,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:03:32,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:03:32,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:03:32,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:03:32,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:03:32,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:03:32,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:03:32,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:03:32,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:03:32,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:03:32,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:03:32,446 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:03:32,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:03:32,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:03:32,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:03:32,447 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:03:32,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:03:32,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:03:32,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:03:32,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:03:32,731 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:03:32,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_cut_trace.i [2019-11-24 16:03:32,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f50cc26/be22cdd4f8d2499daf9635d4a7a49334/FLAG5606b7638 [2019-11-24 16:03:33,218 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:03:33,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_cut_trace.i [2019-11-24 16:03:33,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f50cc26/be22cdd4f8d2499daf9635d4a7a49334/FLAG5606b7638 [2019-11-24 16:03:33,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f50cc26/be22cdd4f8d2499daf9635d4a7a49334 [2019-11-24 16:03:33,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:03:33,643 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:03:33,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:33,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:03:33,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:03:33,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:33" (1/1) ... [2019-11-24 16:03:33,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c40c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33, skipping insertion in model container [2019-11-24 16:03:33,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:33" (1/1) ... [2019-11-24 16:03:33,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:03:33,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:03:33,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:33,862 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:03:33,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:33,897 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:03:33,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33 WrapperNode [2019-11-24 16:03:33,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:33,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:33,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:03:33,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:03:33,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33" (1/1) ... [2019-11-24 16:03:33,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33" (1/1) ... [2019-11-24 16:03:34,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:34,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:03:34,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:03:34,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:03:34,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33" (1/1) ... [2019-11-24 16:03:34,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33" (1/1) ... [2019-11-24 16:03:34,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33" (1/1) ... [2019-11-24 16:03:34,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33" (1/1) ... [2019-11-24 16:03:34,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33" (1/1) ... [2019-11-24 16:03:34,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33" (1/1) ... [2019-11-24 16:03:34,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33" (1/1) ... [2019-11-24 16:03:34,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:03:34,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:03:34,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:03:34,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:03:34,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:33" (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 16:03:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:03:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:03:34,226 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:03:34,227 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-24 16:03:34,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:34 BoogieIcfgContainer [2019-11-24 16:03:34,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:03:34,229 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:03:34,229 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:03:34,229 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:03:34,230 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:34" (1/1) ... [2019-11-24 16:03:34,231 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 16:03:34,255 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 16:03:34,255 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:03:34,262 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:03:34,269 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:03:34,271 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:03:34,315 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:03:34,324 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-11-24 16:03:34,325 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:03:34,327 INFO L168 Benchmark]: Toolchain (without parser) took 684.27 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.6 MB in the beginning and 165.6 MB in the end (delta: -65.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:03:34,328 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-24 16:03:34,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.95 ms. Allocated memory is still 138.9 MB. Free memory was 100.4 MB in the beginning and 91.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:34,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.69 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 91.2 MB in the beginning and 181.1 MB in the end (delta: -89.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:34,331 INFO L168 Benchmark]: Boogie Preprocessor took 13.66 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 180.5 MB in the end (delta: 660.6 kB). Peak memory consumption was 660.6 kB. Max. memory is 7.1 GB. [2019-11-24 16:03:34,332 INFO L168 Benchmark]: RCFGBuilder took 196.12 ms. Allocated memory is still 201.9 MB. Free memory was 179.8 MB in the beginning and 170.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:34,333 INFO L168 Benchmark]: Sifa took 96.02 ms. Allocated memory is still 201.9 MB. Free memory was 170.6 MB in the beginning and 165.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:34,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.95 ms. Allocated memory is still 138.9 MB. Free memory was 100.4 MB in the beginning and 91.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 119.69 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 91.2 MB in the beginning and 181.1 MB in the end (delta: -89.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 13.66 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 180.5 MB in the end (delta: 660.6 kB). Peak memory consumption was 660.6 kB. Max. memory is 7.1 GB. * RCFGBuilder took 196.12 ms. Allocated memory is still 201.9 MB. Free memory was 179.8 MB in the beginning and 170.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Sifa took 96.02 ms. Allocated memory is still 201.9 MB. Free memory was 170.6 MB in the beginning and 165.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 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]: 61, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 2, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 6, 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: 6, TOOLS_QUANTIFIERELIM_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 7, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 2, 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: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 9, DAG_COMPRESSION_PROCESSED_NODES: 29, DAG_COMPRESSION_RETAINED_NODES: 15 - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6]: 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...