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/Problem05_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:55:31,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:55:31,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:55:31,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:55:31,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:55:31,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:55:31,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:55:31,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:55:31,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:55:31,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:55:31,050 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:55:31,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:55:31,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:55:31,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:55:31,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:55:31,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:55:31,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:55:31,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:55:31,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:55:31,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:55:31,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:55:31,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:55:31,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:55:31,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:55:31,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:55:31,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:55:31,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:55:31,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:55:31,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:55:31,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:55:31,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:55:31,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:55:31,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:55:31,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:55:31,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:55:31,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:55:31,076 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 [2019-08-09 16:55:31,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:55:31,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:55:31,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:55:31,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:55:31,092 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:55:31,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:55:31,092 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:55:31,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:55:31,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:55:31,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:55:31,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:55:31,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:55:31,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:55:31,094 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:55:31,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:55:31,094 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:55:31,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:55:31,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:55:31,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:55:31,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:55:31,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:55:31,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:55:31,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:55:31,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:55:31,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:55:31,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:55:31,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:55:31,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:55:31,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:55:31,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:55:31,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:55:31,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:55:31,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:55:31,162 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:55:31,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label11.c [2019-08-09 16:55:31,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b8a1307/6adb0bb3b1054b3b877ecdb9d4acc617/FLAG9e54ff72a [2019-08-09 16:55:32,130 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:55:32,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label11.c [2019-08-09 16:55:32,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b8a1307/6adb0bb3b1054b3b877ecdb9d4acc617/FLAG9e54ff72a [2019-08-09 16:55:32,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b8a1307/6adb0bb3b1054b3b877ecdb9d4acc617 [2019-08-09 16:55:32,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:55:32,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:55:32,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:55:32,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:55:32,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:55:32,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:55:32" (1/1) ... [2019-08-09 16:55:32,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7dcff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:32, skipping insertion in model container [2019-08-09 16:55:32,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:55:32" (1/1) ... [2019-08-09 16:55:32,623 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:55:32,856 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:55:35,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:55:35,084 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:55:36,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:55:36,493 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:55:36,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:36 WrapperNode [2019-08-09 16:55:36,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:55:36,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:55:36,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:55:36,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:55:36,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:36" (1/1) ... [2019-08-09 16:55:36,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:36" (1/1) ... [2019-08-09 16:55:36,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:36" (1/1) ... [2019-08-09 16:55:36,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:36" (1/1) ... [2019-08-09 16:55:36,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:36" (1/1) ... [2019-08-09 16:55:36,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:36" (1/1) ... [2019-08-09 16:55:36,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:36" (1/1) ... [2019-08-09 16:55:36,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:55:36,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:55:36,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:55:36,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:55:36,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:36" (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 [2019-08-09 16:55:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:55:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:55:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:55:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:55:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:55:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:55:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-09 16:55:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-08-09 16:55:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-08-09 16:55:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-08-09 16:55:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:55:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:55:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:55:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:55:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:55:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-09 16:55:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-08-09 16:55:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-08-09 16:55:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-08-09 16:55:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:55:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:55:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:55:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:55:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:55:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:55:44,999 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:55:45,000 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:55:45,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:55:45 BoogieIcfgContainer [2019-08-09 16:55:45,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:55:45,003 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:55:45,003 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:55:45,003 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:55:45,004 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:55:45" (1/1) ... [2019-08-09 16:55:50,337 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:55:50,345 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:55:50,348 INFO L168 Benchmark]: Toolchain (without parser) took 17741.44 ms. Allocated memory was 173.0 MB in the beginning and 870.3 MB in the end (delta: 697.3 MB). Free memory was 138.1 MB in the beginning and 633.1 MB in the end (delta: -495.0 MB). Peak memory consumption was 577.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:50,349 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:55:50,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3887.59 ms. Allocated memory was 173.0 MB in the beginning and 286.8 MB in the end (delta: 113.8 MB). Free memory was 137.4 MB in the beginning and 170.0 MB in the end (delta: -32.6 MB). Peak memory consumption was 207.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:50,351 INFO L168 Benchmark]: Boogie Preprocessor took 388.48 ms. Allocated memory is still 286.8 MB. Free memory was 170.0 MB in the beginning and 109.3 MB in the end (delta: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:50,352 INFO L168 Benchmark]: RCFGBuilder took 8119.13 ms. Allocated memory was 286.8 MB in the beginning and 627.0 MB in the end (delta: 340.3 MB). Free memory was 109.3 MB in the beginning and 192.1 MB in the end (delta: -82.8 MB). Peak memory consumption was 293.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:50,353 INFO L168 Benchmark]: Symbolic Interpretation took 5342.68 ms. Allocated memory was 627.0 MB in the beginning and 870.3 MB in the end (delta: 243.3 MB). Free memory was 192.1 MB in the beginning and 633.1 MB in the end (delta: -441.0 MB). Peak memory consumption was 177.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:50,358 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 10988]: 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. Predicate is 103881#(and (= 16 ~a9~0) (= ~a27~0 1) (= 11 ~a2~0) (= ~a12~0 4) (= ~a20~0 5) (= ~a25~0 1) (= ~a16~0 1) (= ~a15~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3887.59 ms. Allocated memory was 173.0 MB in the beginning and 286.8 MB in the end (delta: 113.8 MB). Free memory was 137.4 MB in the beginning and 170.0 MB in the end (delta: -32.6 MB). Peak memory consumption was 207.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 388.48 ms. Allocated memory is still 286.8 MB. Free memory was 170.0 MB in the beginning and 109.3 MB in the end (delta: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8119.13 ms. Allocated memory was 286.8 MB in the beginning and 627.0 MB in the end (delta: 340.3 MB). Free memory was 109.3 MB in the beginning and 192.1 MB in the end (delta: -82.8 MB). Peak memory consumption was 293.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 5342.68 ms. Allocated memory was 627.0 MB in the beginning and 870.3 MB in the end (delta: 243.3 MB). Free memory was 192.1 MB in the beginning and 633.1 MB in the end (delta: -441.0 MB). Peak memory consumption was 177.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...