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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:38:02,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:38:02,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:38:02,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:38:02,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:38:02,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:38:02,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:38:02,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:38:02,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:38:02,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:38:02,973 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:38:02,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:38:02,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:38:02,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:38:02,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:38:02,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:38:02,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:38:02,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:38:02,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:38:02,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:38:02,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:38:02,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:38:02,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:38:02,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:38:02,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-17 21:38:02,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-17 21:38:02,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-17 21:38:02,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-17 21:38:02,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-17 21:38:02,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-17 21:38:02,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:38:02,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:38:02,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:38:02,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:38:02,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:38:02,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:38:03,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:38:03,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:38:03,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:38:03,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:38:03,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:38:03,006 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 [2019-08-17 21:38:03,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:38:03,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:38:03,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:38:03,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:38:03,036 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:38:03,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:38:03,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:38:03,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:38:03,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:38:03,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:38:03,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:38:03,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:38:03,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:38:03,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:38:03,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:38:03,040 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:38:03,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:38:03,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:38:03,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:38:03,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:38:03,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:38:03,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:38:03,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:38:03,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:38:03,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:38:03,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:38:03,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:38:03,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:38:03,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:38:03,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:38:03,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:38:03,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:38:03,111 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:38:03,112 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:38:03,112 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2019-08-17 21:38:03,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01f54e54/6016abd7ca42480485bce4f5d700e125/FLAG8c8e73631 [2019-08-17 21:38:03,811 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:38:03,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2019-08-17 21:38:03,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01f54e54/6016abd7ca42480485bce4f5d700e125/FLAG8c8e73631 [2019-08-17 21:38:04,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01f54e54/6016abd7ca42480485bce4f5d700e125 [2019-08-17 21:38:04,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:38:04,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:38:04,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:38:04,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:38:04,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:38:04,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:38:04" (1/1) ... [2019-08-17 21:38:04,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755c39e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:04, skipping insertion in model container [2019-08-17 21:38:04,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:38:04" (1/1) ... [2019-08-17 21:38:04,081 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:38:04,134 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:38:04,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:38:04,650 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:38:04,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:38:04,844 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:38:04,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:04 WrapperNode [2019-08-17 21:38:04,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:38:04,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:38:04,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:38:04,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:38:04,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:04" (1/1) ... [2019-08-17 21:38:04,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:04" (1/1) ... [2019-08-17 21:38:04,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:04" (1/1) ... [2019-08-17 21:38:04,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:04" (1/1) ... [2019-08-17 21:38:04,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:04" (1/1) ... [2019-08-17 21:38:04,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:04" (1/1) ... [2019-08-17 21:38:04,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:04" (1/1) ... [2019-08-17 21:38:04,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:38:04,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:38:04,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:38:04,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:38:04,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:04" (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 [2019-08-17 21:38:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:38:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:38:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-17 21:38:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:38:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-17 21:38:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:38:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:38:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-17 21:38:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:38:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:38:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:38:06,325 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:38:06,326 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-17 21:38:06,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:38:06 BoogieIcfgContainer [2019-08-17 21:38:06,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:38:06,328 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:38:06,329 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:38:06,329 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:38:06,331 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:38:06" (1/1) ... [2019-08-17 21:38:06,346 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:38:06,364 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:38:06,377 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:38:06,386 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:38:06,389 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:38:06,457 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 59 [2019-08-17 21:38:07,172 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-17 21:38:07,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:38:07,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-17 21:38:07,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-17 21:38:07,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-17 21:38:07,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:38:07,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:38:07,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:38:07,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-17 21:38:07,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:38:07,346 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 74 [2019-08-17 21:38:07,392 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:38:07,392 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:38:07,396 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 11457#(and (= ~a28~0 11) (= ~a17~0 7) (= ~a19~0 1) (= ~a25~0 1) (not (= ~a11~0 1)) (= ~a21~0 1)) [2019-08-17 21:38:07,407 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:38:07,407 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:38:07,410 INFO L168 Benchmark]: Toolchain (without parser) took 3344.62 ms. Allocated memory was 140.0 MB in the beginning and 267.9 MB in the end (delta: 127.9 MB). Free memory was 85.6 MB in the beginning and 176.1 MB in the end (delta: -90.5 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:38:07,412 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 140.0 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-17 21:38:07,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.12 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 85.2 MB in the beginning and 168.5 MB in the end (delta: -83.3 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:38:07,418 INFO L168 Benchmark]: Boogie Preprocessor took 135.37 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 162.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:38:07,420 INFO L168 Benchmark]: RCFGBuilder took 1345.10 ms. Allocated memory was 201.9 MB in the beginning and 227.0 MB in the end (delta: 25.2 MB). Free memory was 162.6 MB in the beginning and 181.1 MB in the end (delta: -18.5 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:38:07,421 INFO L168 Benchmark]: Symbolic Interpretation took 1078.99 ms. Allocated memory was 227.0 MB in the beginning and 267.9 MB in the end (delta: 40.9 MB). Free memory was 181.1 MB in the beginning and 176.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 112.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:38:07,432 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 457]: 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 11457#(and (= ~a28~0 11) (= ~a17~0 7) (= ~a19~0 1) (= ~a25~0 1) (not (= ~a11~0 1)) (= ~a21~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 140.0 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 781.12 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 85.2 MB in the beginning and 168.5 MB in the end (delta: -83.3 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.37 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 162.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1345.10 ms. Allocated memory was 201.9 MB in the beginning and 227.0 MB in the end (delta: 25.2 MB). Free memory was 162.6 MB in the beginning and 181.1 MB in the end (delta: -18.5 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1078.99 ms. Allocated memory was 227.0 MB in the beginning and 267.9 MB in the end (delta: 40.9 MB). Free memory was 181.1 MB in the beginning and 176.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 112.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...