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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/ludcmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:21:04,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:21:04,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:21:04,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:21:04,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:21:04,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:21:04,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:21:04,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:21:04,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:21:04,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:21:04,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:21:04,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:21:04,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:21:04,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:21:04,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:21:04,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:21:04,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:21:04,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:21:04,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:21:04,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:21:04,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:21:04,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:21:04,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:21:04,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:21:04,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:21:04,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:21:04,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:21:04,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:21:04,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:21:04,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:21:04,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:21:04,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:21:04,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:21:04,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:21:04,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:21:04,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:21:04,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:21:04,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:21:04,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:21:04,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:21:04,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:21:04,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 21:21:04,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:21:04,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:21:04,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:21:04,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:21:04,917 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:21:04,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:21:04,917 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:21:04,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:21:04,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:21:04,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:21:04,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:21:04,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:21:04,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:21:04,919 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:21:04,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:21:04,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:21:04,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:21:04,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:21:04,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:21:04,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:21:04,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:21:04,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:21:04,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:21:04,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:21:04,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:21:04,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:21:04,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:21:04,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:21:04,922 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 -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 21:21:04,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:21:04,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:21:04,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:21:04,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:21:04,984 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:21:04,985 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/ludcmp.c [2019-09-20 21:21:05,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/666543865/06a448220cec4005924da108ee52a231/FLAGd8b6fb332 [2019-09-20 21:21:05,466 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:21:05,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/ludcmp.c [2019-09-20 21:21:05,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/666543865/06a448220cec4005924da108ee52a231/FLAGd8b6fb332 [2019-09-20 21:21:05,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/666543865/06a448220cec4005924da108ee52a231 [2019-09-20 21:21:05,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:21:05,819 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:21:05,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:21:05,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:21:05,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:21:05,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:21:05" (1/1) ... [2019-09-20 21:21:05,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec29b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:05, skipping insertion in model container [2019-09-20 21:21:05,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:21:05" (1/1) ... [2019-09-20 21:21:05,835 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:21:05,859 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:21:06,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:21:06,112 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:21:06,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:21:06,259 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:21:06,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:06 WrapperNode [2019-09-20 21:21:06,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:21:06,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:21:06,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:21:06,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:21:06,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:06" (1/1) ... [2019-09-20 21:21:06,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:06" (1/1) ... [2019-09-20 21:21:06,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:06" (1/1) ... [2019-09-20 21:21:06,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:06" (1/1) ... [2019-09-20 21:21:06,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:06" (1/1) ... [2019-09-20 21:21:06,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:06" (1/1) ... [2019-09-20 21:21:06,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:06" (1/1) ... [2019-09-20 21:21:06,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:21:06,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:21:06,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:21:06,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:21:06,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:21:06,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:21:06,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:21:06,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 21:21:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-09-20 21:21:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:21:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-09-20 21:21:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:21:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 21:21:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-09-20 21:21:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-09-20 21:21:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:21:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-20 21:21:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-20 21:21:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:21:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:21:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:21:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:21:07,030 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:21:07,030 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-09-20 21:21:07,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:21:07 BoogieIcfgContainer [2019-09-20 21:21:07,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:21:07,032 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:21:07,032 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:21:07,032 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:21:07,034 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:21:07" (1/1) ... [2019-09-20 21:21:07,034 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:21:07,059 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:21:07,059 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:21:07,067 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:21:07,077 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:21:07,078 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:21:07,266 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 21:21:07,731 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-09-20 21:21:07,812 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 55 for LOIs [2019-09-20 21:21:08,107 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2019-09-20 21:21:08,221 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 21:21:08,553 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 113 [2019-09-20 21:21:08,686 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 21:21:09,013 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:21:09,443 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 21:21:09,455 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:21:09,456 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:21:09,458 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 68#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 21:21:09,471 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:21:09,472 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:21:09,478 INFO L168 Benchmark]: Toolchain (without parser) took 3654.34 ms. Allocated memory was 136.3 MB in the beginning and 276.3 MB in the end (delta: 140.0 MB). Free memory was 84.6 MB in the beginning and 182.7 MB in the end (delta: -98.1 MB). Peak memory consumption was 41.9 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:09,479 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:21:09,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.53 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 84.4 MB in the beginning and 173.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:09,481 INFO L168 Benchmark]: Boogie Preprocessor took 70.10 ms. Allocated memory is still 197.7 MB. Free memory was 173.6 MB in the beginning and 171.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:09,483 INFO L168 Benchmark]: RCFGBuilder took 700.35 ms. Allocated memory is still 197.7 MB. Free memory was 171.0 MB in the beginning and 126.8 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:09,489 INFO L168 Benchmark]: Sifa took 2440.04 ms. Allocated memory was 197.7 MB in the beginning and 276.3 MB in the end (delta: 78.6 MB). Free memory was 126.2 MB in the beginning and 182.7 MB in the end (delta: -56.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:09,492 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 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 439.53 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 84.4 MB in the beginning and 173.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.10 ms. Allocated memory is still 197.7 MB. Free memory was 173.6 MB in the beginning and 171.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 700.35 ms. Allocated memory is still 197.7 MB. Free memory was 171.0 MB in the beginning and 126.8 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. * Sifa took 2440.04 ms. Allocated memory was 197.7 MB in the beginning and 276.3 MB in the end (delta: 78.6 MB). Free memory was 126.2 MB in the beginning and 182.7 MB in the end (delta: -56.5 MB). Peak memory consumption was 22.1 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]: 2399, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 29, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 22, TOOLS_POST_TIME[ms]: 478, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 459, TOOLS_QUANTIFIERELIM_APPLICATIONS: 28, TOOLS_QUANTIFIERELIM_TIME[ms]: 938, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 457, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 37, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 480, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 859, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1623, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1623, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 270, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 60, DAG_COMPRESSION_RETAINED_NODES: 38 - UnprovableResult [Line: 5]: 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 68#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...