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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:57:45,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:57:45,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:57:45,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:57:45,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:57:45,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:57:45,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:57:45,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:57:45,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:57:45,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:57:45,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:57:45,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:57:45,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:57:45,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:57:45,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:57:45,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:57:45,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:57:45,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:57:45,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:57:45,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:57:45,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:57:45,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:57:45,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:57:45,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:57:45,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:57:45,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:57:45,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:57:45,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:57:45,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:57:45,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:57:45,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:57:45,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:57:45,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:57:45,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:57:45,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:57:45,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:57:45,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:57:45,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:57:45,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:57:45,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:57:45,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:57:45,741 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 [2019-10-15 04:57:45,774 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:57:45,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:57:45,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:57:45,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:57:45,776 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:57:45,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:57:45,777 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:57:45,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:57:45,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:57:45,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:57:45,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:57:45,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:57:45,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:57:45,779 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:57:45,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:57:45,780 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:57:45,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:57:45,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:57:45,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:57:45,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:57:45,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:57:45,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:57:45,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:57:45,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:57:45,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:57:45,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:57:45,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:57:45,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:57:45,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 04:57:46,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:57:46,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:57:46,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:57:46,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:57:46,081 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:57:46,081 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label50.c [2019-10-15 04:57:46,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8a81b83/77aeff935076484abf40adfbb6c666fe/FLAG41d7b0e37 [2019-10-15 04:57:46,669 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:57:46,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label50.c [2019-10-15 04:57:46,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8a81b83/77aeff935076484abf40adfbb6c666fe/FLAG41d7b0e37 [2019-10-15 04:57:46,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8a81b83/77aeff935076484abf40adfbb6c666fe [2019-10-15 04:57:46,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:57:46,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:57:46,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:57:46,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:57:46,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:57:46,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:57:46" (1/1) ... [2019-10-15 04:57:46,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3304fef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:46, skipping insertion in model container [2019-10-15 04:57:46,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:57:46" (1/1) ... [2019-10-15 04:57:47,006 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:57:47,071 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:57:47,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:57:47,621 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:57:47,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:57:47,759 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:57:47,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:47 WrapperNode [2019-10-15 04:57:47,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:57:47,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:57:47,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:57:47,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:57:47,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:47" (1/1) ... [2019-10-15 04:57:47,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:47" (1/1) ... [2019-10-15 04:57:47,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:47" (1/1) ... [2019-10-15 04:57:47,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:47" (1/1) ... [2019-10-15 04:57:47,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:47" (1/1) ... [2019-10-15 04:57:47,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:47" (1/1) ... [2019-10-15 04:57:47,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:47" (1/1) ... [2019-10-15 04:57:47,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:57:47,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:57:47,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:57:47,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:57:47,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:47" (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 [2019-10-15 04:57:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:57:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:57:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 04:57:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:57:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 04:57:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:57:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:57:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 04:57:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:57:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:57:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:57:49,877 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:57:49,878 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:57:49,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:57:49 BoogieIcfgContainer [2019-10-15 04:57:49,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:57:49,881 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:57:49,881 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:57:49,881 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:57:49,882 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:57:49" (1/1) ... [2019-10-15 04:57:49,885 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 [2019-10-15 04:57:49,924 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:57:49,924 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:57:49,933 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:57:49,942 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:57:49,944 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:57:50,259 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 94 for LOIs [2019-10-15 04:57:50,971 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-15 04:57:51,062 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10345 conjuctions. This might take some time... [2019-10-15 04:57:52,261 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-15 04:57:52,318 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10345 conjuctions. This might take some time... [2019-10-15 04:57:53,639 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-15 04:57:53,722 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10345 conjuctions. This might take some time... [2019-10-15 04:57:54,929 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-10-15 04:57:54,943 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2019-10-15 04:57:56,278 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-10-15 04:57:56,465 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 124 for LOIs [2019-10-15 04:58:00,631 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-15 04:58:00,744 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 21402 conjuctions. This might take some time... [2019-10-15 04:58:07,856 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-15 04:58:07,912 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 21402 conjuctions. This might take some time... [2019-10-15 04:58:15,296 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 04:58:15,310 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 04:58:15,311 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 04:58:15,314 INFO L168 Benchmark]: Toolchain (without parser) took 28326.09 ms. Allocated memory was 139.5 MB in the beginning and 1.1 GB in the end (delta: 925.4 MB). Free memory was 101.0 MB in the beginning and 518.5 MB in the end (delta: -417.5 MB). Peak memory consumption was 507.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:58:15,317 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:58:15,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.88 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 100.8 MB in the beginning and 171.8 MB in the end (delta: -71.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:58:15,319 INFO L168 Benchmark]: Boogie Preprocessor took 102.22 ms. Allocated memory is still 206.0 MB. Free memory was 171.8 MB in the beginning and 167.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:58:15,320 INFO L168 Benchmark]: RCFGBuilder took 2016.87 ms. Allocated memory was 206.0 MB in the beginning and 250.6 MB in the end (delta: 44.6 MB). Free memory was 167.0 MB in the beginning and 206.5 MB in the end (delta: -39.5 MB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:58:15,326 INFO L168 Benchmark]: Sifa took 25430.16 ms. Allocated memory was 250.6 MB in the beginning and 1.1 GB in the end (delta: 814.2 MB). Free memory was 206.5 MB in the beginning and 518.5 MB in the end (delta: -312.0 MB). Peak memory consumption was 502.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:58:15,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 772.88 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 100.8 MB in the beginning and 171.8 MB in the end (delta: -71.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.22 ms. Allocated memory is still 206.0 MB. Free memory was 171.8 MB in the beginning and 167.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2016.87 ms. Allocated memory was 206.0 MB in the beginning and 250.6 MB in the end (delta: 44.6 MB). Free memory was 167.0 MB in the beginning and 206.5 MB in the end (delta: -39.5 MB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. * Sifa took 25430.16 ms. Allocated memory was 250.6 MB in the beginning and 1.1 GB in the end (delta: 814.2 MB). Free memory was 206.5 MB in the beginning and 518.5 MB in the end (delta: -312.0 MB). Peak memory consumption was 502.2 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]: 25373, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 223, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 217, TOOLS_POST_TIME[ms]: 208, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 57, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 207, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 225, FLUID_YES_ANSWERS: 133, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 1290, DOMAIN_ALPHA_APPLICATIONS: 133, DOMAIN_ALPHA_TIME[ms]: 23387, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 104, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 67, DOMAIN_ISBOTTOM_TIME[ms]: 123, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6188, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6188, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5926, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5926, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 15, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 66, DAG_COMPRESSION_PROCESSED_NODES: 1254, DAG_COMPRESSION_RETAINED_NODES: 166 - UnprovableResult [Line: 413]: 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 14408#(and (<= ~b~0 2) (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= ~a12~0 8) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 14 ~a8~0) (<= 4 ~a16~0) (<= ~w~0 23) (<= ~a20~0 1) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a21~0) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 8 ~a12~0) (<= ~a21~0 1) (<= ~a8~0 14) (<= ~a16~0 4) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (= ~a16~0 4) (<= 4 ~d~0) (<= ~v~0 22) (= ~a8~0 14) (<= ~u~0 21) (<= 26 ~z~0) (= ~a12~0 8) (= ~a20~0 1) (<= 24 ~x~0) (<= ~e~0 5) (<= 1 ~a20~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...