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/Problem14_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:43:30,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:43:30,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:43:30,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:43:30,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:43:30,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:43:30,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:43:30,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:43:30,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:43:30,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:43:30,772 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:43:30,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:43:30,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:43:30,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:43:30,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:43:30,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:43:30,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:43:30,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:43:30,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:43:30,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:43:30,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:43:30,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:43:30,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:43:30,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:43:30,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 20:43:30,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:43:30,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:43:30,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:43:30,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:43:30,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:43:30,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:43:30,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:43:30,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:43:30,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:43:30,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:43:30,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:43:30,798 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 20:43:30,812 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:43:30,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:43:30,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:43:30,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:43:30,814 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:43:30,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:43:30,814 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:43:30,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:43:30,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:43:30,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:43:30,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:43:30,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:43:30,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:43:30,815 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:43:30,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:43:30,816 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:43:30,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:43:30,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:43:30,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:43:30,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:43:30,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:43:30,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:43:30,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:43:30,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:43:30,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:43:30,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:43:30,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:43:30,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:43:30,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:43:30,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:43:30,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:43:30,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:43:30,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:43:30,865 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:43:30,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label54.c [2019-08-09 20:43:30,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b799bc661/6f1b208fa06e48a2beb3cd78fc591210/FLAG113b1cbb3 [2019-08-09 20:43:31,523 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:43:31,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label54.c [2019-08-09 20:43:31,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b799bc661/6f1b208fa06e48a2beb3cd78fc591210/FLAG113b1cbb3 [2019-08-09 20:43:31,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b799bc661/6f1b208fa06e48a2beb3cd78fc591210 [2019-08-09 20:43:31,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:43:31,796 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:43:31,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:43:31,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:43:31,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:43:31,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:43:31" (1/1) ... [2019-08-09 20:43:31,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd384c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:31, skipping insertion in model container [2019-08-09 20:43:31,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:43:31" (1/1) ... [2019-08-09 20:43:31,816 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:43:31,868 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:43:32,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:43:32,467 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:43:32,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:43:32,624 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:43:32,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:32 WrapperNode [2019-08-09 20:43:32,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:43:32,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:43:32,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:43:32,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:43:32,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:32" (1/1) ... [2019-08-09 20:43:32,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:32" (1/1) ... [2019-08-09 20:43:32,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:32" (1/1) ... [2019-08-09 20:43:32,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:32" (1/1) ... [2019-08-09 20:43:32,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:32" (1/1) ... [2019-08-09 20:43:32,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:32" (1/1) ... [2019-08-09 20:43:32,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:32" (1/1) ... [2019-08-09 20:43:32,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:43:32,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:43:32,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:43:32,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:43:32,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:32" (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 20:43:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:43:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:43:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:43:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:43:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:43:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:43:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:43:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:43:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:43:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:43:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:43:34,242 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:43:34,242 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:43:34,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:43:34 BoogieIcfgContainer [2019-08-09 20:43:34,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:43:34,244 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:43:34,244 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:43:34,245 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:43:34,246 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:43:34" (1/1) ... [2019-08-09 20:43:47,495 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 20:43:47,504 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 20:43:47,508 INFO L168 Benchmark]: Toolchain (without parser) took 15710.37 ms. Allocated memory was 132.6 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 86.4 MB in the beginning and 816.0 MB in the end (delta: -729.6 MB). Peak memory consumption was 947.2 MB. Max. memory is 7.1 GB. [2019-08-09 20:43:47,509 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 20:43:47,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.66 ms. Allocated memory was 132.6 MB in the beginning and 203.4 MB in the end (delta: 70.8 MB). Free memory was 86.0 MB in the beginning and 164.2 MB in the end (delta: -78.2 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2019-08-09 20:43:47,512 INFO L168 Benchmark]: Boogie Preprocessor took 116.68 ms. Allocated memory is still 203.4 MB. Free memory was 164.2 MB in the beginning and 158.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-09 20:43:47,516 INFO L168 Benchmark]: RCFGBuilder took 1501.07 ms. Allocated memory was 203.4 MB in the beginning and 227.5 MB in the end (delta: 24.1 MB). Free memory was 158.8 MB in the beginning and 155.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-08-09 20:43:47,517 INFO L168 Benchmark]: Symbolic Interpretation took 13260.26 ms. Allocated memory was 227.5 MB in the beginning and 1.2 GB in the end (delta: 939.5 MB). Free memory was 155.9 MB in the beginning and 816.0 MB in the end (delta: -660.2 MB). Peak memory consumption was 921.7 MB. Max. memory is 7.1 GB. [2019-08-09 20:43:47,527 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 22]: 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 407130#(and (= ~a21~0 6) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 7) (= ~a24~0 1) (= |calculate_output_#in~input| calculate_output_~input) (= ~a24~0 |old(~a24~0)|) (< 80 ~a12~0) (or (and (= 2 ~inputB~0) (or (= |calculate_output_#in~input| 4) (= |calculate_output_#in~input| 5) (= |calculate_output_#in~input| 6) (= |calculate_output_#in~input| 2) (= |calculate_output_#in~input| 1) (= |calculate_output_#in~input| 3)) (= 5 ~inputE~0) (<= 0 (+ |calculate_output_#in~input| 2147483648)) (= 3 ~inputC~0) (= 6 ~inputF~0) (= 1 ~inputA~0) (= 4 ~inputD~0) (<= |calculate_output_#in~input| 2147483647)) (and (= 1 |old(~a24~0)|) (= 5 ~inputE~0) (= 3 ~inputC~0) (= 7 |old(~a21~0)|) (= 8 |old(~a15~0)|) (= 2 ~inputB~0) (or (= |calculate_output_#in~input| 4) (= |calculate_output_#in~input| 5) (= |calculate_output_#in~input| 6) (= |calculate_output_#in~input| 2) (= |calculate_output_#in~input| 1) (= |calculate_output_#in~input| 3)) (<= 0 (+ |calculate_output_#in~input| 2147483648)) (= 0 (+ |old(~a12~0)| 49)) (= 6 ~inputF~0) (= 1 ~inputA~0) (= 4 ~inputD~0) (<= |calculate_output_#in~input| 2147483647))) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 826.66 ms. Allocated memory was 132.6 MB in the beginning and 203.4 MB in the end (delta: 70.8 MB). Free memory was 86.0 MB in the beginning and 164.2 MB in the end (delta: -78.2 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.68 ms. Allocated memory is still 203.4 MB. Free memory was 164.2 MB in the beginning and 158.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1501.07 ms. Allocated memory was 203.4 MB in the beginning and 227.5 MB in the end (delta: 24.1 MB). Free memory was 158.8 MB in the beginning and 155.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 13260.26 ms. Allocated memory was 227.5 MB in the beginning and 1.2 GB in the end (delta: 939.5 MB). Free memory was 155.9 MB in the beginning and 816.0 MB in the end (delta: -660.2 MB). Peak memory consumption was 921.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...