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/loop-lit/cggmp2005.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:46:36,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:46:36,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:46:36,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:46:36,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:46:36,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:46:36,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:46:36,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:46:36,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:46:36,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:46:36,254 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:46:36,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:46:36,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:46:36,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:46:36,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:46:36,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:46:36,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:46:36,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:46:36,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:46:36,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:46:36,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:46:36,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:46:36,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:46:36,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:46:36,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:46:36,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:46:36,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:46:36,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:46:36,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:46:36,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:46:36,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:46:36,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:46:36,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:46:36,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:46:36,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:46:36,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:46:36,295 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 11:46:36,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:46:36,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:46:36,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:46:36,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:46:36,328 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:46:36,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:46:36,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:46:36,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:46:36,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:46:36,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:46:36,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:46:36,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:46:36,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:46:36,331 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:46:36,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:46:36,332 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:46:36,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:46:36,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:46:36,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:46:36,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:46:36,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:46:36,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:46:36,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:46:36,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:46:36,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:46:36,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:46:36,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:46:36,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:46:36,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:46:36,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:46:36,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:46:36,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:46:36,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:46:36,395 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:46:36,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005.i [2019-08-08 11:46:36,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a076a82/84d3e67099254fcd84e834677c89a3e4/FLAGa8947c567 [2019-08-08 11:46:36,924 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:46:36,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i [2019-08-08 11:46:36,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a076a82/84d3e67099254fcd84e834677c89a3e4/FLAGa8947c567 [2019-08-08 11:46:37,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a076a82/84d3e67099254fcd84e834677c89a3e4 [2019-08-08 11:46:37,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:46:37,280 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:46:37,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:46:37,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:46:37,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:46:37,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:46:37" (1/1) ... [2019-08-08 11:46:37,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d21289e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:37, skipping insertion in model container [2019-08-08 11:46:37,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:46:37" (1/1) ... [2019-08-08 11:46:37,298 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:46:37,315 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:46:37,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:46:37,560 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:46:37,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:46:37,598 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:46:37,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:37 WrapperNode [2019-08-08 11:46:37,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:46:37,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:46:37,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:46:37,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:46:37,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:37" (1/1) ... [2019-08-08 11:46:37,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:37" (1/1) ... [2019-08-08 11:46:37,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:37" (1/1) ... [2019-08-08 11:46:37,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:37" (1/1) ... [2019-08-08 11:46:37,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:37" (1/1) ... [2019-08-08 11:46:37,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:37" (1/1) ... [2019-08-08 11:46:37,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:37" (1/1) ... [2019-08-08 11:46:37,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:46:37,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:46:37,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:46:37,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:46:37,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:37" (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 11:46:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:46:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:46:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-08 11:46:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:46:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:46:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 11:46:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-08 11:46:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:46:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:46:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:46:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:46:37,949 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:46:37,949 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:46:37,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:46:37 BoogieIcfgContainer [2019-08-08 11:46:37,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:46:37,951 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:46:37,951 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:46:37,952 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:46:37,952 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:46:37" (1/1) ... [2019-08-08 11:46:37,964 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:46:37,966 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:46:37,973 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:46:37,981 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:46:37,982 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:46:38,019 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 11:46:38,083 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 16 [2019-08-08 11:46:38,088 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:46:38,088 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:46:38,091 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 34#(and (= 0 __VERIFIER_assert_~cond) (exists ((v_main_~j~0_BEFORE_CALL_1 Int) (v_main_~i~0_BEFORE_CALL_1 Int)) (and (not (<= v_main_~i~0_BEFORE_CALL_1 v_main_~j~0_BEFORE_CALL_1)) (<= v_main_~i~0_BEFORE_CALL_1 (+ v_main_~j~0_BEFORE_CALL_1 3)) (= (ite (= 6 v_main_~j~0_BEFORE_CALL_1) 1 0) |__VERIFIER_assert_#in~cond|))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-08 11:46:38,092 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:46:38,100 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:46:38,103 INFO L168 Benchmark]: Toolchain (without parser) took 822.10 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 88.0 MB in the beginning and 160.5 MB in the end (delta: -72.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:46:38,104 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:46:38,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.08 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:38,106 INFO L168 Benchmark]: Boogie Preprocessor took 121.37 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.8 MB in the beginning and 177.3 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:38,107 INFO L168 Benchmark]: RCFGBuilder took 228.74 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 166.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:38,108 INFO L168 Benchmark]: Symbolic Interpretation took 148.76 ms. Allocated memory is still 199.8 MB. Free memory was 166.1 MB in the beginning and 160.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:38,112 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 319.08 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.37 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.8 MB in the beginning and 177.3 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 228.74 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 166.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 148.76 ms. Allocated memory is still 199.8 MB. Free memory was 166.1 MB in the beginning and 160.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...