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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:22:26,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:22:26,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:22:26,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:22:26,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:22:26,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:22:26,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:22:26,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:22:26,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:22:26,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:22:26,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:22:26,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:22:26,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:22:26,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:22:26,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:22:26,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:22:26,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:22:26,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:22:26,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:22:26,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:22:26,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:22:26,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:22:26,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:22:26,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:22:26,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 20:22:26,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:22:26,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:22:26,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:22:26,959 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 [2019-09-20 20:22:26,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:22:26,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:22:26,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:22:26,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:22:26,975 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:22:26,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:22:26,976 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:22:26,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:22:26,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:22:26,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:22:26,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:22:26,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:22:26,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:22:26,977 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:22:26,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:22:26,978 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:22:26,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:22:26,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:22:26,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:22:26,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:22:26,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:22:26,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:22:26,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:22:26,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:22:26,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:22:26,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:22:26,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:22:26,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:22:26,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 20:22:27,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:22:27,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:22:27,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:22:27,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:22:27,030 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:22:27,031 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i [2019-09-20 20:22:27,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c56fd9c7/1c81818a05c940f6a70e8e24af49c6d8/FLAG78194100b [2019-09-20 20:22:27,499 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:22:27,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i [2019-09-20 20:22:27,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c56fd9c7/1c81818a05c940f6a70e8e24af49c6d8/FLAG78194100b [2019-09-20 20:22:27,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c56fd9c7/1c81818a05c940f6a70e8e24af49c6d8 [2019-09-20 20:22:27,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:22:27,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:22:27,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:22:27,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:22:27,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:22:27,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:22:27" (1/1) ... [2019-09-20 20:22:27,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f74c9a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:27, skipping insertion in model container [2019-09-20 20:22:27,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:22:27" (1/1) ... [2019-09-20 20:22:27,969 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:22:27,987 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:22:28,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:22:28,198 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:22:28,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:22:28,226 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:22:28,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:28 WrapperNode [2019-09-20 20:22:28,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:22:28,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:22:28,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:22:28,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:22:28,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:28" (1/1) ... [2019-09-20 20:22:28,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:28" (1/1) ... [2019-09-20 20:22:28,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:28" (1/1) ... [2019-09-20 20:22:28,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:28" (1/1) ... [2019-09-20 20:22:28,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:28" (1/1) ... [2019-09-20 20:22:28,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:28" (1/1) ... [2019-09-20 20:22:28,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:28" (1/1) ... [2019-09-20 20:22:28,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:22:28,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:22:28,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:22:28,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:22:28,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:28" (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 [2019-09-20 20:22:28,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:22:28,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:22:28,399 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-09-20 20:22:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 20:22:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 20:22:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:22:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:22:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-09-20 20:22:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 20:22:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 20:22:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 20:22:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 20:22:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:22:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 20:22:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 20:22:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:22:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:22:28,654 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:22:28,654 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 20:22:28,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:22:28 BoogieIcfgContainer [2019-09-20 20:22:28,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:22:28,663 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:22:28,663 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:22:28,664 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:22:28,667 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:22:28" (1/1) ... [2019-09-20 20:22:28,671 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:22:28,715 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:22:28,715 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:22:28,725 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:22:28,742 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:22:28,743 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:22:28,902 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-20 20:22:29,712 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 27 for LOIs [2019-09-20 20:22:29,719 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 27 for LOIs [2019-09-20 20:22:29,733 INFO L199 IcfgInterpreter]: Interpreting procedure err with input of size 1 for LOIs [2019-09-20 20:22:29,750 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:22:29,750 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:22:29,753 INFO L193 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 37#false [2019-09-20 20:22:29,764 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 20:22:29,765 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:22:29,768 INFO L168 Benchmark]: Toolchain (without parser) took 1816.54 ms. Allocated memory was 132.1 MB in the beginning and 222.3 MB in the end (delta: 90.2 MB). Free memory was 87.2 MB in the beginning and 193.1 MB in the end (delta: -106.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 20:22:29,770 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 20:22:29,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.23 ms. Allocated memory is still 132.1 MB. Free memory was 86.9 MB in the beginning and 77.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 20:22:29,775 INFO L168 Benchmark]: Boogie Preprocessor took 120.48 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 77.4 MB in the beginning and 176.6 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 20:22:29,777 INFO L168 Benchmark]: RCFGBuilder took 313.96 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 160.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-20 20:22:29,778 INFO L168 Benchmark]: Sifa took 1101.73 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 160.1 MB in the beginning and 193.1 MB in the end (delta: -33.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 20:22:29,793 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.23 ms. Allocated memory is still 132.1 MB. Free memory was 86.9 MB in the beginning and 77.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.48 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 77.4 MB in the beginning and 176.6 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 313.96 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 160.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Sifa took 1101.73 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 160.1 MB in the beginning and 193.1 MB in the end (delta: -33.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1038, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 22, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 12, TOOLS_POST_TIME[ms]: 13, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 621, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 68, TOOLS_QUANTIFIERELIM_APPLICATIONS: 22, TOOLS_QUANTIFIERELIM_TIME[ms]: 685, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 231, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 22, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 241, 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]: 6, 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: 3, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 252, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 62, DAG_COMPRESSION_RETAINED_NODES: 43 - PositiveResult [Line: 14]: 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...