/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_while_int.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:03:40,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:03:40,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:03:41,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:03:41,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:03:41,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:03:41,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:03:41,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:03:41,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:03:41,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:03:41,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:03:41,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:03:41,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:03:41,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:03:41,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:03:41,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:03:41,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:03:41,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:03:41,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:03:41,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:03:41,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:03:41,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:03:41,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:03:41,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:03:41,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:03:41,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:03:41,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:03:41,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:03:41,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:03:41,070 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:03:41,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:03:41,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:03:41,071 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:03:41,071 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:03:41,071 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:03:41,072 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:03:41,072 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:03:41,072 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:03:41,072 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:03:41,072 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:03:41,073 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:03:41,073 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:03:41,073 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:03:41,073 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:03:41,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:03:41,074 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:03:41,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:03:41,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:03:41,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:03:41,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:03:41,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:03:41,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:03:41,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:03:41,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:03:41,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:03:41,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:03:41,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:03:41,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:03:41,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:03:41,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:03:41,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:03:41,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:03:41,077 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:03:41,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:03:41,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:03:41,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:03:41,078 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:03:41,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:03:41,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:03:41,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:03:41,399 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:03:41,399 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:03:41,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-11-24 16:03:41,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b136bf4/90634acb038f4516adbeadbbd03c970a/FLAGff53eb070 [2019-11-24 16:03:41,907 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:03:41,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-11-24 16:03:41,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b136bf4/90634acb038f4516adbeadbbd03c970a/FLAGff53eb070 [2019-11-24 16:03:42,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b136bf4/90634acb038f4516adbeadbbd03c970a [2019-11-24 16:03:42,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:03:42,311 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:03:42,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:42,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:03:42,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:03:42,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cab609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42, skipping insertion in model container [2019-11-24 16:03:42,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:03:42,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:03:42,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:42,523 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:03:42,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:42,551 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:03:42,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42 WrapperNode [2019-11-24 16:03:42,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:42,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:42,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:03:42,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:03:42,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:42,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:03:42,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:03:42,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:03:42,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:03:42,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:03:42,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:03:42,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:03:42,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:03:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:03:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:03:42,926 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:03:42,927 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 16:03:42,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:42 BoogieIcfgContainer [2019-11-24 16:03:42,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:03:42,929 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:03:42,929 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:03:42,929 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:03:42,930 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:42" (1/1) ... [2019-11-24 16:03:42,931 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 16:03:42,954 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:03:42,954 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:03:42,961 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:03:42,969 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:03:42,970 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:03:43,367 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:03:43,395 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:03:43,395 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:03:43,398 INFO L168 Benchmark]: Toolchain (without parser) took 1085.98 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 103.3 MB in the beginning and 151.5 MB in the end (delta: -48.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:43,399 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 16:03:43,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.75 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:43,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.83 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 93.8 MB in the beginning and 182.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:43,402 INFO L168 Benchmark]: Boogie Preprocessor took 20.81 ms. Allocated memory is still 202.9 MB. Free memory was 182.1 MB in the beginning and 180.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:43,403 INFO L168 Benchmark]: RCFGBuilder took 231.60 ms. Allocated memory is still 202.9 MB. Free memory was 180.8 MB in the beginning and 169.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:43,404 INFO L168 Benchmark]: Sifa took 466.67 ms. Allocated memory is still 202.9 MB. Free memory was 169.9 MB in the beginning and 151.5 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:43,409 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 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.75 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 122.83 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 93.8 MB in the beginning and 182.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.81 ms. Allocated memory is still 202.9 MB. Free memory was 182.1 MB in the beginning and 180.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.60 ms. Allocated memory is still 202.9 MB. Free memory was 180.8 MB in the beginning and 169.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Sifa took 466.67 ms. Allocated memory is still 202.9 MB. Free memory was 169.9 MB in the beginning and 151.5 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 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]: 418, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 3, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 16, TOOLS_POST_TIME[ms]: 53, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 16, TOOLS_QUANTIFIERELIM_TIME[ms]: 44, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 24, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 172, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 108, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 9, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 342, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 342, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 8, DAG_COMPRESSION_PROCESSED_NODES: 20, DAG_COMPRESSION_RETAINED_NODES: 14 - UnprovableResult [Line: 6]: 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 (<= 1 ULTIMATE.start_main_~i~0) (< ULTIMATE.start_main_~i~0 6) (or (and (= ULTIMATE.start_main_~i~0 3) (= 0 |ULTIMATE.start_check_error_#in~b|)) (and (not (= ULTIMATE.start_main_~i~0 3)) (= 1 |ULTIMATE.start_check_error_#in~b|))) (= ULTIMATE.start_check_error_~b |ULTIMATE.start_check_error_#in~b|) (or (= (+ ULTIMATE.start_main_~i~0 (- 1)) 0) (and (= (+ ULTIMATE.start_main_~i~0 (- 1)) 1) (< ULTIMATE.start_main_~i~0 7) (not (= (+ ULTIMATE.start_main_~i~0 (- 1)) 3))) (and (<= 2 ULTIMATE.start_main_~i~0) (< ULTIMATE.start_main_~i~0 7) (or (and (not (= 3 (+ ULTIMATE.start_main_~i~0 (- 2)))) (< ULTIMATE.start_main_~i~0 8) (= 1 (+ ULTIMATE.start_main_~i~0 (- 2)))) (= 0 (+ ULTIMATE.start_main_~i~0 (- 2)))) (not (= (+ ULTIMATE.start_main_~i~0 (- 1)) 3)))) (= ULTIMATE.start_check_error_~b 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...