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/Problem18_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:07:46,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:07:46,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:07:46,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:07:46,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:07:46,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:07:46,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:07:46,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:07:46,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:07:46,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:07:46,068 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:07:46,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:07:46,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:07:46,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:07:46,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:07:46,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:07:46,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:07:46,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:07:46,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:07:46,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:07:46,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:07:46,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:07:46,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:07:46,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:07:46,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:07:46,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:07:46,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:07:46,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:07:46,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:07:46,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:07:46,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:07:46,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:07:46,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:07:46,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:07:46,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:07:46,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:07:46,102 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 11:07:46,130 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:07:46,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:07:46,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:07:46,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:07:46,133 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:07:46,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:07:46,134 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:07:46,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:07:46,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:07:46,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:07:46,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:07:46,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:07:46,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:07:46,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:07:46,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:07:46,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:07:46,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:07:46,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:07:46,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:07:46,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:07:46,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:07:46,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:07:46,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:07:46,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:07:46,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:07:46,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:07:46,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:07:46,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:07:46,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:07:46,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:07:46,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:07:46,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:07:46,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:07:46,198 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:07:46,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label47.c [2019-08-08 11:07:46,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e541b8c12/6f4709fd78224f6991e9515105b979f5/FLAG7f4261a1b [2019-08-08 11:07:47,070 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:07:47,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label47.c [2019-08-08 11:07:47,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e541b8c12/6f4709fd78224f6991e9515105b979f5/FLAG7f4261a1b [2019-08-08 11:07:47,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e541b8c12/6f4709fd78224f6991e9515105b979f5 [2019-08-08 11:07:47,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:07:47,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:07:47,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:07:47,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:07:47,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:07:47,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:07:47" (1/1) ... [2019-08-08 11:07:47,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dce988a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:47, skipping insertion in model container [2019-08-08 11:07:47,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:07:47" (1/1) ... [2019-08-08 11:07:47,180 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:07:47,318 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:07:48,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:07:48,504 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:07:49,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:07:49,065 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:07:49,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:49 WrapperNode [2019-08-08 11:07:49,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:07:49,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:07:49,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:07:49,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:07:49,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:49" (1/1) ... [2019-08-08 11:07:49,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:49" (1/1) ... [2019-08-08 11:07:49,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:49" (1/1) ... [2019-08-08 11:07:49,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:49" (1/1) ... [2019-08-08 11:07:49,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:49" (1/1) ... [2019-08-08 11:07:49,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:49" (1/1) ... [2019-08-08 11:07:49,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:49" (1/1) ... [2019-08-08 11:07:49,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:07:49,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:07:49,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:07:49,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:07:49,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:49" (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 11:07:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:07:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:07:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:07:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:07:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-08 11:07:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:07:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:07:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:07:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-08 11:07:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:07:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:07:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:07:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:07:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:07:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:07:58,769 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:07:58,769 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:07:58,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:07:58 BoogieIcfgContainer [2019-08-08 11:07:58,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:07:58,774 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:07:58,774 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:07:58,774 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:07:58,775 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:07:58" (1/1) ... [2019-08-08 11:07:58,787 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:07:58,790 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:07:58,807 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:07:58,815 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:07:58,816 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:07:58,865 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 37 [2019-08-08 11:08:31,961 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 13 [2019-08-08 11:08:32,153 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:08:32,153 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:08:32,156 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 983965#(and (= ~a15~0 4) (= ~a24~0 2) (= ~a18~0 11) (<= ~a3~0 306) (< 115 ~a3~0)) [2019-08-08 11:08:32,157 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:08:32,165 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:08:32,168 INFO L168 Benchmark]: Toolchain (without parser) took 45007.18 ms. Allocated memory was 133.2 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 78.1 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-08 11:08:32,169 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 133.2 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:08:32,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1904.07 ms. Allocated memory was 133.2 MB in the beginning and 225.4 MB in the end (delta: 92.3 MB). Free memory was 77.8 MB in the beginning and 105.5 MB in the end (delta: -27.6 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:08:32,171 INFO L168 Benchmark]: Boogie Preprocessor took 251.81 ms. Allocated memory is still 225.4 MB. Free memory was 105.5 MB in the beginning and 85.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:08:32,172 INFO L168 Benchmark]: RCFGBuilder took 9453.52 ms. Allocated memory was 225.4 MB in the beginning and 341.8 MB in the end (delta: 116.4 MB). Free memory was 85.2 MB in the beginning and 121.2 MB in the end (delta: -36.0 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-08-08 11:08:32,173 INFO L168 Benchmark]: Symbolic Interpretation took 33391.85 ms. Allocated memory was 341.8 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 121.2 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-08 11:08:32,178 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 186]: 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 0.42 ms. Allocated memory is still 133.2 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1904.07 ms. Allocated memory was 133.2 MB in the beginning and 225.4 MB in the end (delta: 92.3 MB). Free memory was 77.8 MB in the beginning and 105.5 MB in the end (delta: -27.6 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 251.81 ms. Allocated memory is still 225.4 MB. Free memory was 105.5 MB in the beginning and 85.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9453.52 ms. Allocated memory was 225.4 MB in the beginning and 341.8 MB in the end (delta: 116.4 MB). Free memory was 85.2 MB in the beginning and 121.2 MB in the end (delta: -36.0 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 33391.85 ms. Allocated memory was 341.8 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 121.2 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...