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/Problem02_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 13:21:28,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 13:21:28,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 13:21:28,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 13:21:28,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 13:21:28,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 13:21:28,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 13:21:28,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 13:21:28,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 13:21:28,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 13:21:28,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 13:21:28,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 13:21:28,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 13:21:28,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 13:21:28,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 13:21:28,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 13:21:28,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 13:21:28,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 13:21:28,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 13:21:28,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 13:21:28,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 13:21:28,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 13:21:28,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 13:21:28,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 13:21:28,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 13:21:28,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 13:21:28,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 13:21:28,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 13:21:28,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 13:21:28,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 13:21:28,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 13:21:28,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 13:21:28,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 13:21:28,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 13:21:28,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 13:21:28,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 13:21:28,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 13:21:28,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 13:21:28,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 13:21:28,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 13:21:28,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 13:21:28,783 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 [2019-10-03 13:21:28,797 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 13:21:28,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 13:21:28,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 13:21:28,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 13:21:28,799 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 13:21:28,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 13:21:28,800 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 13:21:28,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 13:21:28,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 13:21:28,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 13:21:28,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 13:21:28,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 13:21:28,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 13:21:28,801 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 13:21:28,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 13:21:28,801 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 13:21:28,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 13:21:28,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 13:21:28,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 13:21:28,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 13:21:28,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 13:21:28,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 13:21:28,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 13:21:28,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 13:21:28,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 13:21:28,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 13:21:28,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 13:21:28,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 13:21:28,804 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 [2019-10-03 13:21:28,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 13:21:28,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 13:21:28,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 13:21:28,853 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 13:21:28,853 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 13:21:28,854 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label13.c [2019-10-03 13:21:28,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784174f3a/ecb34b5dacab41188ad5d27198b69963/FLAG13cb5af6b [2019-10-03 13:21:29,495 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 13:21:29,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label13.c [2019-10-03 13:21:29,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784174f3a/ecb34b5dacab41188ad5d27198b69963/FLAG13cb5af6b [2019-10-03 13:21:29,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784174f3a/ecb34b5dacab41188ad5d27198b69963 [2019-10-03 13:21:29,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 13:21:29,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 13:21:29,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 13:21:29,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 13:21:29,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 13:21:29,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:21:29" (1/1) ... [2019-10-03 13:21:29,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e55f71c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:21:29, skipping insertion in model container [2019-10-03 13:21:29,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:21:29" (1/1) ... [2019-10-03 13:21:29,790 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 13:21:29,854 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 13:21:30,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:21:30,430 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 13:21:30,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:21:30,585 INFO L192 MainTranslator]: Completed translation [2019-10-03 13:21:30,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:21:30 WrapperNode [2019-10-03 13:21:30,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 13:21:30,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 13:21:30,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 13:21:30,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 13:21:30,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:21:30" (1/1) ... [2019-10-03 13:21:30,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:21:30" (1/1) ... [2019-10-03 13:21:30,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:21:30" (1/1) ... [2019-10-03 13:21:30,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:21:30" (1/1) ... [2019-10-03 13:21:30,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:21:30" (1/1) ... [2019-10-03 13:21:30,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:21:30" (1/1) ... [2019-10-03 13:21:30,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:21:30" (1/1) ... [2019-10-03 13:21:30,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 13:21:30,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 13:21:30,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 13:21:30,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 13:21:30,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:21:30" (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 [2019-10-03 13:21:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 13:21:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 13:21:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 13:21:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 13:21:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 13:21:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 13:21:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 13:21:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 13:21:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 13:21:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 13:21:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 13:21:32,860 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 13:21:32,860 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 13:21:32,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:21:32 BoogieIcfgContainer [2019-10-03 13:21:32,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 13:21:32,862 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 13:21:32,863 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 13:21:32,863 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 13:21:32,864 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:21:32" (1/1) ... [2019-10-03 13:21:32,865 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 [2019-10-03 13:21:32,889 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 13:21:32,890 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 13:21:32,899 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 13:21:32,908 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 13:21:32,909 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 13:21:33,214 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 87 for LOIs [2019-10-03 13:21:33,664 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-03 13:21:33,673 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-03 13:21:33,683 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-03 13:21:33,784 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-10-03 13:21:33,794 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 55 [2019-10-03 13:21:34,928 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 78 for LOIs [2019-10-03 13:21:35,599 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-03 13:21:35,610 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-03 13:21:35,654 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-03 13:21:35,654 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-03 13:21:35,656 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3047#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a25~0 1) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= ~a28~0 9) (not (= ~a19~0 1)) (<= ~a17~0 7) (<= 9 ~a28~0) (= ~a11~0 1) (<= ~w~0 23) (<= ~a28~0 9) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a11~0) (<= 1 ~a21~0) (<= 1 ~a25~0) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= calculate_output_~input 6) (<= ~a25~0 1) (<= ~f~0 6) (<= ~a11~0 1) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5)) [2019-10-03 13:21:35,669 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-03 13:21:35,670 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-03 13:21:35,673 INFO L168 Benchmark]: Toolchain (without parser) took 5899.75 ms. Allocated memory was 132.6 MB in the beginning and 336.6 MB in the end (delta: 203.9 MB). Free memory was 87.1 MB in the beginning and 129.1 MB in the end (delta: -42.0 MB). Peak memory consumption was 162.0 MB. Max. memory is 7.1 GB. [2019-10-03 13:21:35,674 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 132.6 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 13:21:35,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.19 ms. Allocated memory was 132.6 MB in the beginning and 201.9 MB in the end (delta: 69.2 MB). Free memory was 86.9 MB in the beginning and 165.4 MB in the end (delta: -78.5 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-10-03 13:21:35,676 INFO L168 Benchmark]: Boogie Preprocessor took 121.00 ms. Allocated memory is still 201.9 MB. Free memory was 165.4 MB in the beginning and 160.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-03 13:21:35,677 INFO L168 Benchmark]: RCFGBuilder took 2153.76 ms. Allocated memory was 201.9 MB in the beginning and 266.9 MB in the end (delta: 65.0 MB). Free memory was 160.8 MB in the beginning and 223.8 MB in the end (delta: -63.0 MB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. [2019-10-03 13:21:35,678 INFO L168 Benchmark]: Sifa took 2807.48 ms. Allocated memory was 266.9 MB in the beginning and 336.6 MB in the end (delta: 69.7 MB). Free memory was 223.8 MB in the beginning and 129.1 MB in the end (delta: 94.7 MB). Peak memory consumption was 164.5 MB. Max. memory is 7.1 GB. [2019-10-03 13:21:35,682 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 132.6 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 813.19 ms. Allocated memory was 132.6 MB in the beginning and 201.9 MB in the end (delta: 69.2 MB). Free memory was 86.9 MB in the beginning and 165.4 MB in the end (delta: -78.5 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.00 ms. Allocated memory is still 201.9 MB. Free memory was 165.4 MB in the beginning and 160.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2153.76 ms. Allocated memory was 201.9 MB in the beginning and 266.9 MB in the end (delta: 65.0 MB). Free memory was 160.8 MB in the beginning and 223.8 MB in the end (delta: -63.0 MB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. * Sifa took 2807.48 ms. Allocated memory was 266.9 MB in the beginning and 336.6 MB in the end (delta: 69.7 MB). Free memory was 223.8 MB in the beginning and 129.1 MB in the end (delta: 94.7 MB). Peak memory consumption was 164.5 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]: 2767, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 250, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 244, TOOLS_POST_TIME[ms]: 157, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 39, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 12, TOOLS_QUANTIFIERELIM_APPLICATIONS: 252, TOOLS_QUANTIFIERELIM_TIME[ms]: 147, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 35, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 252, FLUID_YES_ANSWERS: 114, DOMAIN_JOIN_APPLICATIONS: 81, DOMAIN_JOIN_TIME[ms]: 1219, DOMAIN_ALPHA_APPLICATIONS: 114, DOMAIN_ALPHA_TIME[ms]: 1016, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 52, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 76, DOMAIN_ISBOTTOM_TIME[ms]: 103, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1697, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1696, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1666, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1665, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 54, DAG_COMPRESSION_PROCESSED_NODES: 1351, DAG_COMPRESSION_RETAINED_NODES: 187 - UnprovableResult [Line: 430]: 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 3047#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a25~0 1) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= ~a28~0 9) (not (= ~a19~0 1)) (<= ~a17~0 7) (<= 9 ~a28~0) (= ~a11~0 1) (<= ~w~0 23) (<= ~a28~0 9) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a11~0) (<= 1 ~a21~0) (<= 1 ~a25~0) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= calculate_output_~input 6) (<= ~a25~0 1) (<= ~f~0 6) (<= ~a11~0 1) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...