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/loops/string-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:45:50,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:45:50,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:45:50,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:45:50,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:45:50,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:45:50,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:45:50,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:45:50,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:45:50,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:45:50,961 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:45:50,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:45:50,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:45:50,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:45:50,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:45:50,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:45:50,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:45:50,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:45:50,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:45:50,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:45:50,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:45:50,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:45:50,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:45:50,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:45:50,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 11:45:50,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 11:45:50,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 11:45:50,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 11:45:50,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 11:45:50,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 11:45:50,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:45:50,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:45:50,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:45:50,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:45:50,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:45:50,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:45:50,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:45:50,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:45:50,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:45:50,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:45:50,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:45:50,990 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 [2019-08-08 11:45:51,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:45:51,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:45:51,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:45:51,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:45:51,007 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:45:51,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:45:51,007 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:45:51,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:45:51,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:45:51,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:45:51,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:45:51,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:45:51,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:45:51,008 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:45:51,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:45:51,009 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:45:51,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:45:51,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:45:51,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:45:51,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:45:51,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:45:51,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:45:51,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:45:51,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:45:51,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:45:51,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:45:51,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:45:51,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:45:51,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:45:51,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:45:51,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:45:51,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:45:51,064 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:45:51,064 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:45:51,065 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-1.i [2019-08-08 11:45:51,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aaf10dab/0821d3e3b0b8418a8a7fb068c2131d81/FLAG16a6f86a4 [2019-08-08 11:45:51,655 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:45:51,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-1.i [2019-08-08 11:45:51,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aaf10dab/0821d3e3b0b8418a8a7fb068c2131d81/FLAG16a6f86a4 [2019-08-08 11:45:52,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aaf10dab/0821d3e3b0b8418a8a7fb068c2131d81 [2019-08-08 11:45:52,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:45:52,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:45:52,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:45:52,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:45:52,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:45:52,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:45:52" (1/1) ... [2019-08-08 11:45:52,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4385676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:52, skipping insertion in model container [2019-08-08 11:45:52,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:45:52" (1/1) ... [2019-08-08 11:45:52,105 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:45:52,123 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:45:52,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:45:52,345 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:45:52,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:45:52,390 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:45:52,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:52 WrapperNode [2019-08-08 11:45:52,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:45:52,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:45:52,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:45:52,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:45:52,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:52" (1/1) ... [2019-08-08 11:45:52,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:52" (1/1) ... [2019-08-08 11:45:52,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:52" (1/1) ... [2019-08-08 11:45:52,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:52" (1/1) ... [2019-08-08 11:45:52,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:52" (1/1) ... [2019-08-08 11:45:52,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:52" (1/1) ... [2019-08-08 11:45:52,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:52" (1/1) ... [2019-08-08 11:45:52,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:45:52,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:45:52,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:45:52,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:45:52,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:52" (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 [2019-08-08 11:45:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:45:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:45:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-08 11:45:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:45:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:45:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 11:45:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-08 11:45:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 11:45:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:45:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-08 11:45:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-08 11:45:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-08 11:45:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-08 11:45:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:45:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:45:53,069 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:45:53,069 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-08-08 11:45:53,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:45:53 BoogieIcfgContainer [2019-08-08 11:45:53,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:45:53,072 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:45:53,072 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:45:53,072 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:45:53,073 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:45:53" (1/1) ... [2019-08-08 11:45:53,085 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:45:53,087 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:45:53,094 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:45:53,100 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:45:53,102 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:45:53,146 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 19 [2019-08-08 11:45:53,836 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 22 [2019-08-08 11:45:53,838 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:45:53,838 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:45:53,841 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 482#(and (exists ((v_main_~nc_A~0_BEFORE_CALL_1 Int) (v_main_~j~0_BEFORE_CALL_1 Int) (v_main_~i~0_BEFORE_CALL_1 Int) (v_main_~nc_B~0_BEFORE_CALL_1 Int)) (and (or (not (< v_main_~j~0_BEFORE_CALL_1 v_main_~nc_B~0_BEFORE_CALL_1)) (not (< v_main_~i~0_BEFORE_CALL_1 v_main_~nc_A~0_BEFORE_CALL_1))) (= |__VERIFIER_assert_#in~cond| (ite (or (= 1 (ite (< v_main_~nc_B~0_BEFORE_CALL_1 (+ v_main_~j~0_BEFORE_CALL_1 1)) 1 0)) (= 0 (ite (< v_main_~nc_B~0_BEFORE_CALL_1 (+ v_main_~j~0_BEFORE_CALL_1 1)) 1 0))) 1 0)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-08 11:45:53,842 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:45:53,850 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:45:53,853 INFO L168 Benchmark]: Toolchain (without parser) took 1764.69 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 85.4 MB in the beginning and 119.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:45:53,854 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:45:53,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.98 ms. Allocated memory is still 137.9 MB. Free memory was 85.0 MB in the beginning and 74.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:45:53,856 INFO L168 Benchmark]: Boogie Preprocessor took 137.15 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.6 MB in the beginning and 174.8 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-08 11:45:53,857 INFO L168 Benchmark]: RCFGBuilder took 542.10 ms. Allocated memory is still 198.2 MB. Free memory was 174.8 MB in the beginning and 157.3 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-08-08 11:45:53,858 INFO L168 Benchmark]: Symbolic Interpretation took 778.55 ms. Allocated memory is still 198.2 MB. Free memory was 157.3 MB in the beginning and 119.1 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:45:53,862 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 302.98 ms. Allocated memory is still 137.9 MB. Free memory was 85.0 MB in the beginning and 74.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.15 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.6 MB in the beginning and 174.8 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 542.10 ms. Allocated memory is still 198.2 MB. Free memory was 174.8 MB in the beginning and 157.3 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 778.55 ms. Allocated memory is still 198.2 MB. Free memory was 157.3 MB in the beginning and 119.1 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...