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_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:56:09,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:56:09,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:56:09,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:56:09,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:56:09,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:56:09,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:56:09,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:56:09,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:56:09,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:56:09,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:56:09,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:56:09,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:56:09,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:56:09,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:56:09,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:56:09,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:56:09,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:56:09,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:56:09,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:56:09,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:56:09,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:56:09,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:56:09,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:56:09,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:56:09,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:56:09,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:56:09,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:56:09,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:56:09,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:56:09,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:56:09,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:56:09,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:56:09,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:56:09,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:56:09,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:56:09,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:56:09,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:56:09,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:56:09,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:56:09,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:56:09,775 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 04:56:09,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:56:09,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:56:09,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:56:09,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:56:09,811 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:56:09,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:56:09,811 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:56:09,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:56:09,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:56:09,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:56:09,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:56:09,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:56:09,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:56:09,816 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:56:09,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:56:09,816 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:56:09,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:56:09,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:56:09,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:56:09,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:56:09,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:56:09,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:56:09,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:56:09,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:56:09,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:56:09,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:56:09,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:56:09,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:56:09,819 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 04:56:10,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:56:10,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:56:10,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:56:10,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:56:10,120 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:56:10,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label20.c [2019-10-15 04:56:10,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67dae978/e766ea27cbe449adb21d1bab252cc873/FLAGbf64e6116 [2019-10-15 04:56:10,830 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:56:10,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label20.c [2019-10-15 04:56:10,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67dae978/e766ea27cbe449adb21d1bab252cc873/FLAGbf64e6116 [2019-10-15 04:56:11,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67dae978/e766ea27cbe449adb21d1bab252cc873 [2019-10-15 04:56:11,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:56:11,032 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:56:11,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:56:11,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:56:11,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:56:11,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:56:11" (1/1) ... [2019-10-15 04:56:11,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221df6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:11, skipping insertion in model container [2019-10-15 04:56:11,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:56:11" (1/1) ... [2019-10-15 04:56:11,050 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:56:11,093 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:56:11,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:56:11,536 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:56:11,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:56:11,882 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:56:11,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:11 WrapperNode [2019-10-15 04:56:11,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:56:11,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:56:11,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:56:11,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:56:11,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:11" (1/1) ... [2019-10-15 04:56:11,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:11" (1/1) ... [2019-10-15 04:56:11,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:11" (1/1) ... [2019-10-15 04:56:11,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:11" (1/1) ... [2019-10-15 04:56:12,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:11" (1/1) ... [2019-10-15 04:56:12,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:11" (1/1) ... [2019-10-15 04:56:12,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:11" (1/1) ... [2019-10-15 04:56:12,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:56:12,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:56:12,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:56:12,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:56:12,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:11" (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 04:56:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:56:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:56:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 04:56:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:56:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 04:56:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:56:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:56:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 04:56:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:56:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:56:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:56:14,020 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:56:14,020 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:56:14,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:56:14 BoogieIcfgContainer [2019-10-15 04:56:14,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:56:14,022 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:56:14,023 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:56:14,023 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:56:14,024 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:56:14" (1/1) ... [2019-10-15 04:56:14,025 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 04:56:14,049 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:56:14,050 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:56:14,058 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:56:14,069 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:56:14,071 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:56:14,406 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 94 for LOIs [2019-10-15 04:56:15,151 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-10-15 04:56:15,160 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-10-15 04:56:16,661 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 124 for LOIs [2019-10-15 04:56:20,940 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 04:56:20,956 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 04:56:20,956 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 04:56:20,962 INFO L168 Benchmark]: Toolchain (without parser) took 9926.55 ms. Allocated memory was 145.8 MB in the beginning and 626.5 MB in the end (delta: 480.8 MB). Free memory was 102.2 MB in the beginning and 411.1 MB in the end (delta: -308.9 MB). Peak memory consumption was 171.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:56:20,965 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 04:56:20,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 850.28 ms. Allocated memory was 145.8 MB in the beginning and 206.6 MB in the end (delta: 60.8 MB). Free memory was 101.8 MB in the beginning and 172.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:56:20,971 INFO L168 Benchmark]: Boogie Preprocessor took 165.06 ms. Allocated memory is still 206.6 MB. Free memory was 172.5 MB in the beginning and 167.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:56:20,972 INFO L168 Benchmark]: RCFGBuilder took 1973.21 ms. Allocated memory was 206.6 MB in the beginning and 250.6 MB in the end (delta: 44.0 MB). Free memory was 167.7 MB in the beginning and 206.7 MB in the end (delta: -38.9 MB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:56:20,979 INFO L168 Benchmark]: Sifa took 6933.95 ms. Allocated memory was 250.6 MB in the beginning and 626.5 MB in the end (delta: 375.9 MB). Free memory was 206.7 MB in the beginning and 411.1 MB in the end (delta: -204.5 MB). Peak memory consumption was 171.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:56:20,989 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 145.8 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 850.28 ms. Allocated memory was 145.8 MB in the beginning and 206.6 MB in the end (delta: 60.8 MB). Free memory was 101.8 MB in the beginning and 172.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.06 ms. Allocated memory is still 206.6 MB. Free memory was 172.5 MB in the beginning and 167.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1973.21 ms. Allocated memory was 206.6 MB in the beginning and 250.6 MB in the end (delta: 44.0 MB). Free memory was 167.7 MB in the beginning and 206.7 MB in the end (delta: -38.9 MB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. * Sifa took 6933.95 ms. Allocated memory was 250.6 MB in the beginning and 626.5 MB in the end (delta: 375.9 MB). Free memory was 206.7 MB in the beginning and 411.1 MB in the end (delta: -204.5 MB). Peak memory consumption was 171.5 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]: 6890, 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]: 64, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 14, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 210, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 225, FLUID_YES_ANSWERS: 133, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 1238, DOMAIN_ALPHA_APPLICATIONS: 133, DOMAIN_ALPHA_TIME[ms]: 5025, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 77, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 67, DOMAIN_ISBOTTOM_TIME[ms]: 90, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2239, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2239, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1960, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1959, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 48, DAG_COMPRESSION_PROCESSED_NODES: 1189, DAG_COMPRESSION_RETAINED_NODES: 166 - UnprovableResult [Line: 392]: 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 8968#(and (<= ~b~0 2) (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= ~a7~0 1) (<= ~a12~0 8) (<= 1 ~a7~0) (<= |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) (<= 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) (= ~a7~0 1) (<= 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) (<= 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...