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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/loops/string-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:05:22,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:05:22,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:05:22,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:05:22,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:05:22,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:05:22,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:05:22,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:05:22,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:05:22,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:05:22,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:05:22,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:05:22,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:05:22,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:05:22,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:05:22,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:05:22,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:05:22,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:05:22,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:05:22,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:05:22,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:05:22,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:05:22,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:05:22,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:05:22,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 02:05:22,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 02:05:22,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 02:05:22,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 02:05:22,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 02:05:22,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 02:05:22,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:05:22,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:05:22,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:05:22,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:05:22,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:05:22,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:05:22,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:05:22,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:05:22,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:05:22,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:05:22,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:05:22,345 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 [2019-09-17 02:05:22,359 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:05:22,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:05:22,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:05:22,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:05:22,361 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:05:22,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:05:22,362 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:05:22,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:05:22,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:05:22,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:05:22,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:05:22,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:05:22,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:05:22,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:05:22,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:05:22,364 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:05:22,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:05:22,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:05:22,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:05:22,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:05:22,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:05:22,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:05:22,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:05:22,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:05:22,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:05:22,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:05:22,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:05:22,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:05:22,366 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 -> 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 -> NONE [2019-09-17 02:05:22,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:05:22,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:05:22,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:05:22,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:05:22,422 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:05:22,423 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-1.i [2019-09-17 02:05:22,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f2e7b502/07de8d15bc444e97bb723ed07c79ebd4/FLAG710570343 [2019-09-17 02:05:22,973 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:05:22,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-1.i [2019-09-17 02:05:22,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f2e7b502/07de8d15bc444e97bb723ed07c79ebd4/FLAG710570343 [2019-09-17 02:05:23,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f2e7b502/07de8d15bc444e97bb723ed07c79ebd4 [2019-09-17 02:05:23,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:05:23,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:05:23,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:05:23,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:05:23,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:05:23,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47db1c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23, skipping insertion in model container [2019-09-17 02:05:23,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,320 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:05:23,337 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:05:23,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:05:23,523 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:05:23,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:05:23,664 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:05:23,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23 WrapperNode [2019-09-17 02:05:23,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:05:23,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:05:23,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:05:23,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:05:23,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:05:23,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:05:23,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:05:23,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:05:23,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (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 [2019-09-17 02:05:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:05:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:05:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 02:05:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:05:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:05:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 02:05:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 02:05:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-17 02:05:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:05:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 02:05:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 02:05:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 02:05:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 02:05:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:05:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:05:24,227 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:05:24,227 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 02:05:24,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:05:24 BoogieIcfgContainer [2019-09-17 02:05:24,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:05:24,229 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:05:24,229 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:05:24,229 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:05:24,230 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:05:24" (1/1) ... [2019-09-17 02:05:24,231 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-17 02:05:24,255 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:05:24,256 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:05:24,264 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:05:24,274 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:05:24,277 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:05:24,394 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-17 02:05:24,991 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-17 02:05:24,993 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:05:24,994 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:05:24,996 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 125#(and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 02:05:25,003 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-17 02:05:25,004 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:05:25,006 INFO L168 Benchmark]: Toolchain (without parser) took 1698.93 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 86.2 MB in the beginning and 104.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:25,007 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:05:25,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.03 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 86.0 MB in the beginning and 178.1 MB in the end (delta: -92.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:25,009 INFO L168 Benchmark]: Boogie Preprocessor took 69.61 ms. Allocated memory is still 198.7 MB. Free memory was 178.1 MB in the beginning and 173.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:25,010 INFO L168 Benchmark]: RCFGBuilder took 492.94 ms. Allocated memory is still 198.7 MB. Free memory was 173.6 MB in the beginning and 150.1 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:25,011 INFO L168 Benchmark]: Sifa took 775.19 ms. Allocated memory is still 198.7 MB. Free memory was 150.1 MB in the beginning and 104.1 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:25,015 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 358.03 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 86.0 MB in the beginning and 178.1 MB in the end (delta: -92.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.61 ms. Allocated memory is still 198.7 MB. Free memory was 178.1 MB in the beginning and 173.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 492.94 ms. Allocated memory is still 198.7 MB. Free memory was 173.6 MB in the beginning and 150.1 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Sifa took 775.19 ms. Allocated memory is still 198.7 MB. Free memory was 150.1 MB in the beginning and 104.1 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 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]: 741, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 52, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 44, TOOLS_POST_TIME[ms]: 541, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 22, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_APPLICATIONS: 46, TOOLS_QUANTIFIERELIM_TIME[ms]: 538, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 327, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 67, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 8, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 40, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 549, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 547, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 53, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 53, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 29, 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...