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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/n.c40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:24:24,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:24:24,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:24:24,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:24:24,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:24:24,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:24:24,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:24:24,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:24:24,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:24:24,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:24:24,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:24:24,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:24:24,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:24:24,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:24:24,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:24:24,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:24:24,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:24:24,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:24:24,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:24:24,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:24:24,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:24:24,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:24:24,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:24:24,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:24:24,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:24:24,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:24:24,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:24:24,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:24:24,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:24:24,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:24:24,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:24:24,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:24:24,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:24:24,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:24:24,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:24:24,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:24:24,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:24:24,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:24:24,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:24:24,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:24:24,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:24:24,900 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 22:24:24,922 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:24:24,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:24:24,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:24:24,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:24:24,925 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:24:24,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:24:24,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:24:24,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:24:24,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:24:24,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:24:24,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:24:24,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:24:24,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:24:24,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:24:24,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:24:24,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:24:24,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:24:24,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:24:24,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:24:24,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:24:24,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:24:24,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:24:24,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:24:24,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:24:24,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:24:24,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:24:24,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:24:24,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:24:24,931 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:24:24,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:24:25,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:24:25,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:24:25,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:24:25,010 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:24:25,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/n.c40.c [2019-09-20 22:24:25,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15131814/650fd3be1e11465a8ee32b3a86fde82f/FLAGa416eeae8 [2019-09-20 22:24:25,500 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:24:25,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/n.c40.c [2019-09-20 22:24:25,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15131814/650fd3be1e11465a8ee32b3a86fde82f/FLAGa416eeae8 [2019-09-20 22:24:25,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15131814/650fd3be1e11465a8ee32b3a86fde82f [2019-09-20 22:24:25,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:24:25,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:24:25,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:25,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:24:25,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:24:25,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216c820d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25, skipping insertion in model container [2019-09-20 22:24:25,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:24:25,956 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:24:26,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:26,139 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:24:26,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:26,299 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:24:26,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26 WrapperNode [2019-09-20 22:24:26,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:26,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:24:26,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:24:26,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:24:26,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:24:26,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:24:26,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:24:26,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:24:26,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (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 22:24:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:24:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:24:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:24:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:24:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:24:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:24:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:24:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:24:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:24:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:24:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:24:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:24:26,624 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:24:26,624 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 22:24:26,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:24:26 BoogieIcfgContainer [2019-09-20 22:24:26,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:24:26,626 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:24:26,626 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:24:26,627 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:24:26,628 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,629 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:24:26,679 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:24:26,683 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:24:26,701 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:24:26,720 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:24:26,726 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:24:27,018 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-09-20 22:24:27,225 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-20 22:24:27,428 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-20 22:24:27,555 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:24:27,555 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:24:27,557 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 39#true [2019-09-20 22:24:27,570 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:24:27,571 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:24:27,573 INFO L168 Benchmark]: Toolchain (without parser) took 1652.13 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 86.8 MB in the beginning and 98.8 MB in the end (delta: -12.0 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:27,574 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory is still 105.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:24:27,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.30 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 86.4 MB in the beginning and 180.5 MB in the end (delta: -94.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:27,576 INFO L168 Benchmark]: Boogie Preprocessor took 36.80 ms. Allocated memory is still 202.4 MB. Free memory was 180.5 MB in the beginning and 178.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:27,577 INFO L168 Benchmark]: RCFGBuilder took 287.62 ms. Allocated memory is still 202.4 MB. Free memory was 178.3 MB in the beginning and 162.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:27,578 INFO L168 Benchmark]: Sifa took 944.52 ms. Allocated memory is still 202.4 MB. Free memory was 162.9 MB in the beginning and 98.8 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:27,582 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 139.5 MB. Free memory is still 105.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 379.30 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 86.4 MB in the beginning and 180.5 MB in the end (delta: -94.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.80 ms. Allocated memory is still 202.4 MB. Free memory was 180.5 MB in the beginning and 178.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 287.62 ms. Allocated memory is still 202.4 MB. Free memory was 178.3 MB in the beginning and 162.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * Sifa took 944.52 ms. Allocated memory is still 202.4 MB. Free memory was 162.9 MB in the beginning and 98.8 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 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]: 879, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 14, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 554, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_APPLICATIONS: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 569, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 494, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 15, FLUID_YES_ANSWERS: 15, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 134, DOMAIN_ALPHA_APPLICATIONS: 15, DOMAIN_ALPHA_TIME[ms]: 40, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 62, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 60, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 618, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 618, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 14, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 63, DAG_COMPRESSION_RETAINED_NODES: 33 - UnprovableResult [Line: 20]: 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 39#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...