java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/string-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:09:08,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:09:08,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:09:08,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:09:08,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:09:08,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:09:08,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:09:08,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:09:08,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:09:08,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:09:08,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:09:08,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:09:08,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:09:08,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:09:08,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:09:08,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:09:08,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:09:08,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:09:08,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:09:08,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:09:08,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:09:08,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:09:08,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:09:08,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:09:08,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:09:08,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:09:08,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:09:08,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:09:08,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:09:08,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:09:08,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:09:08,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:09:08,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:09:08,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:09:08,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:09:08,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:09:08,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:09:08,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:09:08,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:09:08,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:09:08,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:09:08,968 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 [2019-09-21 09:09:08,992 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:09:08,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:09:08,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:09:08,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:09:08,996 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:09:08,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:09:08,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:09:08,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:09:08,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:09:08,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:09:08,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:09:08,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:09:08,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:09:08,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:09:08,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:09:08,999 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:09:08,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:09:08,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:09:08,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:09:08,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:09:09,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:09:09,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:09:09,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:09:09,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:09:09,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:09:09,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:09:09,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:09:09,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:09:09,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:09:09,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:09:09,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:09:09,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:09:09,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:09:09,080 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:09:09,081 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-1.i [2019-09-21 09:09:09,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a5afd87/cabf4ea1fac1433a86b47129fd104a22/FLAG54d57eaaf [2019-09-21 09:09:09,554 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:09:09,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-1.i [2019-09-21 09:09:09,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a5afd87/cabf4ea1fac1433a86b47129fd104a22/FLAG54d57eaaf [2019-09-21 09:09:09,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a5afd87/cabf4ea1fac1433a86b47129fd104a22 [2019-09-21 09:09:09,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:09:09,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:09:09,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:09,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:09:09,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:09:09,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:09" (1/1) ... [2019-09-21 09:09:09,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142c7701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:09, skipping insertion in model container [2019-09-21 09:09:09,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:09" (1/1) ... [2019-09-21 09:09:09,967 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:09:09,991 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:09:10,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:10,235 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:09:10,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:10,379 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:09:10,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:10 WrapperNode [2019-09-21 09:09:10,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:10,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:09:10,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:09:10,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:09:10,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:10" (1/1) ... [2019-09-21 09:09:10,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:10" (1/1) ... [2019-09-21 09:09:10,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:10" (1/1) ... [2019-09-21 09:09:10,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:10" (1/1) ... [2019-09-21 09:09:10,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:10" (1/1) ... [2019-09-21 09:09:10,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:10" (1/1) ... [2019-09-21 09:09:10,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:10" (1/1) ... [2019-09-21 09:09:10,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:09:10,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:09:10,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:09:10,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:09:10,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:10" (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 [2019-09-21 09:09:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:09:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:09:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:09:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:09:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:09:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:09:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:09:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 09:09:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:09:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:09:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:09:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:09:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:09:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:09:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:09:10,930 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:09:10,930 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:09:10,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:10 BoogieIcfgContainer [2019-09-21 09:09:10,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:09:10,932 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:09:10,933 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:09:10,933 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:09:10,934 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:10" (1/1) ... [2019-09-21 09:09:10,934 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:09:10,959 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:09:10,959 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:09:10,967 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:09:10,976 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:09:10,978 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:09:11,140 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-21 09:09:11,435 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-21 09:09:11,438 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:09:11,438 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:09:11,441 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 65#false [2019-09-21 09:09:11,448 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-21 09:09:11,449 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:09:11,451 INFO L168 Benchmark]: Toolchain (without parser) took 1501.22 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 84.1 MB in the beginning and 123.4 MB in the end (delta: -39.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:11,452 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:09:11,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.54 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 83.7 MB in the beginning and 175.0 MB in the end (delta: -91.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:11,454 INFO L168 Benchmark]: Boogie Preprocessor took 56.08 ms. Allocated memory is still 197.1 MB. Free memory was 175.0 MB in the beginning and 172.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:11,455 INFO L168 Benchmark]: RCFGBuilder took 487.65 ms. Allocated memory is still 197.1 MB. Free memory was 172.6 MB in the beginning and 148.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:11,456 INFO L168 Benchmark]: Sifa took 516.33 ms. Allocated memory is still 197.1 MB. Free memory was 148.7 MB in the beginning and 124.1 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:11,461 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 429.54 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 83.7 MB in the beginning and 175.0 MB in the end (delta: -91.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.08 ms. Allocated memory is still 197.1 MB. Free memory was 175.0 MB in the beginning and 172.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 487.65 ms. Allocated memory is still 197.1 MB. Free memory was 172.6 MB in the beginning and 148.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Sifa took 516.33 ms. Allocated memory is still 197.1 MB. Free memory was 148.7 MB in the beginning and 124.1 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 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]: 482, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 46, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 38, TOOLS_POST_TIME[ms]: 241, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 246, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 81, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 57, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 15, DOMAIN_JOIN_TIME[ms]: 72, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 9, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 236, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 235, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 111, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 111, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 268, DAG_COMPRESSION_RETAINED_NODES: 76 - 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...