/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/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/trex02-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:11:17,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:11:17,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:11:17,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:11:17,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:11:17,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:11:17,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:11:17,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:11:17,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:11:17,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:11:17,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:11:17,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:11:17,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:11:17,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:11:17,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:11:17,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:11:17,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:11:17,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:11:17,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:11:17,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:11:17,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:11:17,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:11:17,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:11:17,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:11:17,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:11:17,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:11:17,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:11:17,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:11:17,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:11:17,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:11:17,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:11:17,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:11:17,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:11:17,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:11:17,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:11:17,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:11:17,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:11:17,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:11:17,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:11:17,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:11:17,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:11:17,972 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 [2019-11-07 10:11:18,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:11:18,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:11:18,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:11:18,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:11:18,011 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:11:18,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:11:18,011 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:11:18,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:11:18,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:11:18,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:11:18,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:11:18,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:11:18,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:11:18,012 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:11:18,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:11:18,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:11:18,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:11:18,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:11:18,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:11:18,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:11:18,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:11:18,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:11:18,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:11:18,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:11:18,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:11:18,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:11:18,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:11:18,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:11:18,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:11:18,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:11:18,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:11:18,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:11:18,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:11:18,310 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:11:18,312 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex02-1.c [2019-11-07 10:11:18,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4095777/84f0ad2d78534c0399c0908ffbecab20/FLAG8e9b86316 [2019-11-07 10:11:18,850 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:11:18,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex02-1.c [2019-11-07 10:11:18,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4095777/84f0ad2d78534c0399c0908ffbecab20/FLAG8e9b86316 [2019-11-07 10:11:19,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4095777/84f0ad2d78534c0399c0908ffbecab20 [2019-11-07 10:11:19,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:11:19,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:11:19,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:11:19,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:11:19,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:11:19,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:19" (1/1) ... [2019-11-07 10:11:19,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c82802f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:19, skipping insertion in model container [2019-11-07 10:11:19,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:19" (1/1) ... [2019-11-07 10:11:19,227 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:11:19,243 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:11:19,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:11:19,415 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:11:19,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:11:19,440 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:11:19,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:19 WrapperNode [2019-11-07 10:11:19,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:11:19,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:11:19,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:11:19,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:11:19,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:19" (1/1) ... [2019-11-07 10:11:19,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:19" (1/1) ... [2019-11-07 10:11:19,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:19" (1/1) ... [2019-11-07 10:11:19,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:19" (1/1) ... [2019-11-07 10:11:19,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:19" (1/1) ... [2019-11-07 10:11:19,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:19" (1/1) ... [2019-11-07 10:11:19,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:19" (1/1) ... [2019-11-07 10:11:19,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:11:19,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:11:19,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:11:19,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:11:19,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:19" (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 [2019-11-07 10:11:19,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:11:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:11:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 10:11:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-11-07 10:11:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:11:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:11:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:11:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 10:11:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:11:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-11-07 10:11:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:11:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:11:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:11:19,810 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:11:19,810 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 10:11:19,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:19 BoogieIcfgContainer [2019-11-07 10:11:19,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:11:19,812 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:11:19,813 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:11:19,813 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:11:19,814 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:19" (1/1) ... [2019-11-07 10:11:19,815 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 [2019-11-07 10:11:19,844 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:11:19,844 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:11:19,855 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:11:19,866 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:11:19,868 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:11:19,938 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 6 for LOIs [2019-11-07 10:11:20,229 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 14 for LOIs [2019-11-07 10:11:20,233 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:11:20,242 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-11-07 10:11:20,242 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:11:20,245 INFO L168 Benchmark]: Toolchain (without parser) took 1032.09 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 102.6 MB in the beginning and 152.9 MB in the end (delta: -50.2 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:20,246 INFO L168 Benchmark]: CDTParser took 1.75 ms. Allocated memory is still 138.9 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:11:20,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.30 ms. Allocated memory is still 138.9 MB. Free memory was 102.2 MB in the beginning and 93.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:20,249 INFO L168 Benchmark]: Boogie Preprocessor took 94.02 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 92.8 MB in the beginning and 181.0 MB in the end (delta: -88.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:20,251 INFO L168 Benchmark]: RCFGBuilder took 275.89 ms. Allocated memory is still 201.9 MB. Free memory was 181.0 MB in the beginning and 168.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:20,252 INFO L168 Benchmark]: Sifa took 430.16 ms. Allocated memory is still 201.9 MB. Free memory was 168.0 MB in the beginning and 152.9 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:20,257 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.75 ms. Allocated memory is still 138.9 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 228.30 ms. Allocated memory is still 138.9 MB. Free memory was 102.2 MB in the beginning and 93.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.02 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 92.8 MB in the beginning and 181.0 MB in the end (delta: -88.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 275.89 ms. Allocated memory is still 201.9 MB. Free memory was 181.0 MB in the beginning and 168.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Sifa took 430.16 ms. Allocated memory is still 201.9 MB. Free memory was 168.0 MB in the beginning and 152.9 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 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]: 390, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 3, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 32, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 81, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 39, TOOLS_QUANTIFIERELIM_TIME[ms]: 103, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 48, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 66, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 65, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 14, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 172, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 171, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 100, DAG_COMPRESSION_RETAINED_NODES: 46 - 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...