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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:02:13,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:02:13,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:02:13,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:02:13,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:02:13,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:02:13,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:02:13,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:02:13,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:02:13,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:02:13,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:02:13,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:02:13,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:02:13,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:02:13,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:02:13,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:02:13,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:02:13,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:02:13,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:02:13,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:02:13,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:02:13,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:02:14,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:02:14,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:02:14,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:02:14,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:02:14,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:02:14,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:02:14,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:02:14,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:02:14,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:02:14,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:02:14,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:02:14,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:02:14,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:02:14,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:02:14,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:02:14,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:02:14,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:02:14,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:02:14,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:02:14,017 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 [2019-09-25 17:02:14,032 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:02:14,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:02:14,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:02:14,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:02:14,034 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:02:14,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:02:14,035 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:02:14,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:02:14,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:02:14,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:02:14,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:02:14,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:02:14,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:02:14,036 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:02:14,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:02:14,037 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:02:14,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:02:14,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:02:14,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:02:14,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:02:14,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:02:14,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:02:14,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:02:14,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:02:14,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:02:14,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:02:14,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:02:14,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:02:14,039 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:02:14,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:02:14,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:02:14,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:02:14,090 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:02:14,090 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:02:14,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c [2019-09-25 17:02:14,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0711e3cd1/0fce37236ef14d51b7125b48901b66f3/FLAG43dec13b1 [2019-09-25 17:02:14,626 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:02:14,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c [2019-09-25 17:02:14,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0711e3cd1/0fce37236ef14d51b7125b48901b66f3/FLAG43dec13b1 [2019-09-25 17:02:15,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0711e3cd1/0fce37236ef14d51b7125b48901b66f3 [2019-09-25 17:02:15,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:02:15,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:02:15,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:02:15,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:02:15,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:02:15,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:02:15" (1/1) ... [2019-09-25 17:02:15,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4907dd24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:15, skipping insertion in model container [2019-09-25 17:02:15,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:02:15" (1/1) ... [2019-09-25 17:02:15,038 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:02:15,058 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:02:15,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:15,243 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:02:15,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:15,287 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:02:15,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:15 WrapperNode [2019-09-25 17:02:15,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:02:15,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:02:15,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:02:15,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:02:15,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:15" (1/1) ... [2019-09-25 17:02:15,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:15" (1/1) ... [2019-09-25 17:02:15,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:15" (1/1) ... [2019-09-25 17:02:15,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:15" (1/1) ... [2019-09-25 17:02:15,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:15" (1/1) ... [2019-09-25 17:02:15,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:15" (1/1) ... [2019-09-25 17:02:15,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:15" (1/1) ... [2019-09-25 17:02:15,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:02:15,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:02:15,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:02:15,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:02:15,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:15" (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 [2019-09-25 17:02:15,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:02:15,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:02:15,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:02:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:02:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 17:02:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 17:02:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:02:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:02:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:02:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:02:15,675 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:02:15,676 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 17:02:15,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:02:15 BoogieIcfgContainer [2019-09-25 17:02:15,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:02:15,678 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:02:15,678 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:02:15,679 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:02:15,680 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:02:15" (1/1) ... [2019-09-25 17:02:15,681 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:02:15,727 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:02:15,727 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:02:15,752 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:02:15,762 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:02:15,764 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:02:15,884 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-25 17:02:16,168 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:02:16,169 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:02:16,174 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 33#(and (= main_~main__j~0 main_~main__i~0) (= main_~__VERIFIER_assert__cond~0 0) (= (ite (= 0 main_~main__y~0) 1 0) main_~__tmp_1~0) (= 0 main_~main__x~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= |old(~__return_72~0)| 0) (= ~__return_main~0 0)) [2019-09-25 17:02:16,190 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:02:16,190 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:02:16,193 INFO L168 Benchmark]: Toolchain (without parser) took 1170.25 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 86.5 MB in the beginning and 146.4 MB in the end (delta: -59.9 MB). Peak memory consumption was 411.2 kB. Max. memory is 7.1 GB. [2019-09-25 17:02:16,194 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:02:16,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.88 ms. Allocated memory is still 138.9 MB. Free memory was 86.3 MB in the beginning and 76.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:16,196 INFO L168 Benchmark]: Boogie Preprocessor took 111.40 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 76.8 MB in the beginning and 177.1 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:16,197 INFO L168 Benchmark]: RCFGBuilder took 277.25 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 164.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:16,198 INFO L168 Benchmark]: Sifa took 512.32 ms. Allocated memory is still 199.2 MB. Free memory was 164.2 MB in the beginning and 146.4 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:16,202 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.88 ms. Allocated memory is still 138.9 MB. Free memory was 86.3 MB in the beginning and 76.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.40 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 76.8 MB in the beginning and 177.1 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 277.25 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 164.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Sifa took 512.32 ms. Allocated memory is still 199.2 MB. Free memory was 164.2 MB in the beginning and 146.4 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 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]: 448, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 14, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 34, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 31, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 53, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 17, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 164, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 89, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 255, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 254, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 53, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 50, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 57, DAG_COMPRESSION_RETAINED_NODES: 27 - UnprovableResult [Line: 48]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 33#(and (= main_~main__j~0 main_~main__i~0) (= main_~__VERIFIER_assert__cond~0 0) (= (ite (= 0 main_~main__y~0) 1 0) main_~__tmp_1~0) (= 0 main_~main__x~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= |old(~__return_72~0)| 0) (= ~__return_main~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...