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/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:21:29,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:21:29,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:21:29,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:21:29,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:21:29,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:21:29,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:21:29,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:21:29,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:21:29,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:21:29,453 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:21:29,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:21:29,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:21:29,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:21:29,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:21:29,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:21:29,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:21:29,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:21:29,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:21:29,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:21:29,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:21:29,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:21:29,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:21:29,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:21:29,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 02:21:29,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 02:21:29,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 02:21:29,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 02:21:29,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 02:21:29,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 02:21:29,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 02:21:29,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 02:21:29,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 02:21:29,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 02:21:29,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 02:21:29,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 02:21:29,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 02:21:29,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 02:21:29,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:21:29,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:21:29,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:21:29,479 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 [2019-08-10 02:21:29,493 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:21:29,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:21:29,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:21:29,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:21:29,495 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:21:29,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:21:29,495 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:21:29,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:21:29,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:21:29,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:21:29,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:21:29,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:21:29,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:21:29,497 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:21:29,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:21:29,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:21:29,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:21:29,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:21:29,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:21:29,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:21:29,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:21:29,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:21:29,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:21:29,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:21:29,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:21:29,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:21:29,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:21:29,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:21:29,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:21:29,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:21:29,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:21:29,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:21:29,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:21:29,544 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:21:29,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2019-08-10 02:21:29,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ff95d19/d7e982e50d0a41569b26c3a88ff55d56/FLAGa9b2da077 [2019-08-10 02:21:30,033 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:21:30,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2019-08-10 02:21:30,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ff95d19/d7e982e50d0a41569b26c3a88ff55d56/FLAGa9b2da077 [2019-08-10 02:21:30,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ff95d19/d7e982e50d0a41569b26c3a88ff55d56 [2019-08-10 02:21:30,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:21:30,424 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:21:30,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:21:30,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:21:30,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:21:30,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:21:30" (1/1) ... [2019-08-10 02:21:30,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6055acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:21:30, skipping insertion in model container [2019-08-10 02:21:30,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:21:30" (1/1) ... [2019-08-10 02:21:30,439 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:21:30,466 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:21:30,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:21:30,696 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:21:30,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:21:30,848 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:21:30,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:21:30 WrapperNode [2019-08-10 02:21:30,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:21:30,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:21:30,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:21:30,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:21:30,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:21:30" (1/1) ... [2019-08-10 02:21:30,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:21:30" (1/1) ... [2019-08-10 02:21:30,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:21:30" (1/1) ... [2019-08-10 02:21:30,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:21:30" (1/1) ... [2019-08-10 02:21:30,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:21:30" (1/1) ... [2019-08-10 02:21:30,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:21:30" (1/1) ... [2019-08-10 02:21:30,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:21:30" (1/1) ... [2019-08-10 02:21:30,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:21:30,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:21:30,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:21:30,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:21:30,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:21:30" (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 [2019-08-10 02:21:30,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:21:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:21:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-10 02:21:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-08-10 02:21:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:21:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-08-10 02:21:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:21:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:21:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-08-10 02:21:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-08-10 02:21:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:21:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-10 02:21:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-10 02:21:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:21:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:21:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:21:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:21:31,397 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:21:31,398 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-08-10 02:21:31,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:21:31 BoogieIcfgContainer [2019-08-10 02:21:31,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:21:31,400 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:21:31,400 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:21:31,400 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:21:31,401 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:21:31" (1/1) ... [2019-08-10 02:21:31,652 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-08-10 02:21:31,844 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-08-10 02:21:32,238 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:21:32,245 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:21:32,247 INFO L168 Benchmark]: Toolchain (without parser) took 1823.45 ms. Allocated memory was 133.2 MB in the beginning and 225.4 MB in the end (delta: 92.3 MB). Free memory was 88.5 MB in the beginning and 198.4 MB in the end (delta: -110.0 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-08-10 02:21:32,248 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:21:32,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.14 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.3 MB in the beginning and 174.9 MB in the end (delta: -86.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-08-10 02:21:32,250 INFO L168 Benchmark]: Boogie Preprocessor took 50.02 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 172.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:21:32,251 INFO L168 Benchmark]: RCFGBuilder took 499.43 ms. Allocated memory is still 200.3 MB. Free memory was 172.5 MB in the beginning and 146.4 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-08-10 02:21:32,252 INFO L168 Benchmark]: Symbolic Interpretation took 845.99 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 146.4 MB in the beginning and 198.4 MB in the end (delta: -52.0 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:21:32,256 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. Predicate is 110#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 424.14 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.3 MB in the beginning and 174.9 MB in the end (delta: -86.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.02 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 172.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 499.43 ms. Allocated memory is still 200.3 MB. Free memory was 172.5 MB in the beginning and 146.4 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 845.99 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 146.4 MB in the beginning and 198.4 MB in the end (delta: -52.0 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...