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/Problem02_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:38:03,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:38:03,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:38:03,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:38:03,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:38:03,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:38:03,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:38:03,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:38:03,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:38:03,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:38:03,550 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:38:03,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:38:03,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:38:03,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:38:03,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:38:03,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:38:03,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:38:03,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:38:03,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:38:03,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:38:03,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:38:03,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:38:03,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:38:03,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:38:03,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:38:03,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:38:03,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:38:03,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:38:03,594 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 [2019-08-17 21:38:03,616 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:38:03,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:38:03,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:38:03,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:38:03,617 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:38:03,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:38:03,618 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:38:03,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:38:03,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:38:03,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:38:03,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:38:03,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:38:03,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:38:03,619 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:38:03,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:38:03,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:38:03,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:38:03,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:38:03,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:38:03,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:38:03,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:38:03,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:38:03,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:38:03,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:38:03,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:38:03,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:38:03,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:38:03,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:38:03,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:38:03,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:38:03,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:38:03,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:38:03,673 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:38:03,673 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:38:03,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label28.c [2019-08-17 21:38:03,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/435ef946a/9d442f7e8ca847bdb6ac9d7695bb0810/FLAG843ed7f6f [2019-08-17 21:38:04,337 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:38:04,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label28.c [2019-08-17 21:38:04,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/435ef946a/9d442f7e8ca847bdb6ac9d7695bb0810/FLAG843ed7f6f [2019-08-17 21:38:04,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/435ef946a/9d442f7e8ca847bdb6ac9d7695bb0810 [2019-08-17 21:38:04,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:38:04,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:38:04,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:38:04,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:38:04,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:38:04,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:38:04" (1/1) ... [2019-08-17 21:38:04,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb9ecd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:04, skipping insertion in model container [2019-08-17 21:38:04,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:38:04" (1/1) ... [2019-08-17 21:38:04,638 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:38:04,700 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:38:05,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:38:05,267 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:38:05,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:38:05,415 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:38:05,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:05 WrapperNode [2019-08-17 21:38:05,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:38:05,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:38:05,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:38:05,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:38:05,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:05" (1/1) ... [2019-08-17 21:38:05,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:05" (1/1) ... [2019-08-17 21:38:05,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:05" (1/1) ... [2019-08-17 21:38:05,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:05" (1/1) ... [2019-08-17 21:38:05,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:05" (1/1) ... [2019-08-17 21:38:05,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:05" (1/1) ... [2019-08-17 21:38:05,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:05" (1/1) ... [2019-08-17 21:38:05,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:38:05,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:38:05,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:38:05,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:38:05,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:38:05" (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 [2019-08-17 21:38:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:38:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:38:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-17 21:38:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:38:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-17 21:38:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:38:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:38:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-17 21:38:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:38:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:38:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:38:07,061 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:38:07,061 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-17 21:38:07,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:38:07 BoogieIcfgContainer [2019-08-17 21:38:07,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:38:07,064 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:38:07,064 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:38:07,065 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:38:07,066 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:38:07" (1/1) ... [2019-08-17 21:38:07,086 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:38:07,089 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:38:07,098 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:38:07,107 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:38:07,109 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:38:07,175 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 59 [2019-08-17 21:38:07,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-17 21:38:07,873 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:38:07,883 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-17 21:38:07,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-17 21:38:07,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-17 21:38:07,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:38:07,917 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:38:07,918 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:38:07,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-17 21:38:07,925 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:38:07,963 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 74 [2019-08-17 21:38:08,041 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:38:08,041 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:38:08,044 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 12623#(and (= ~a28~0 11) (= ~a17~0 7) (not (= ~a25~0 1)) (= ~a19~0 1) (= ~a21~0 1) (not (= ~a11~0 1))) [2019-08-17 21:38:08,055 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:38:08,056 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:38:08,058 INFO L168 Benchmark]: Toolchain (without parser) took 3439.19 ms. Allocated memory was 137.9 MB in the beginning and 275.8 MB in the end (delta: 137.9 MB). Free memory was 83.6 MB in the beginning and 169.8 MB in the end (delta: -86.2 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:38:08,060 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:38:08,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.57 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 83.4 MB in the beginning and 166.1 MB in the end (delta: -82.7 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:38:08,061 INFO L168 Benchmark]: Boogie Preprocessor took 118.88 ms. Allocated memory is still 201.3 MB. Free memory was 166.1 MB in the beginning and 160.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:38:08,063 INFO L168 Benchmark]: RCFGBuilder took 1528.03 ms. Allocated memory was 201.3 MB in the beginning and 221.8 MB in the end (delta: 20.4 MB). Free memory was 160.7 MB in the beginning and 179.6 MB in the end (delta: -18.9 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:38:08,064 INFO L168 Benchmark]: Symbolic Interpretation took 991.93 ms. Allocated memory was 221.8 MB in the beginning and 275.8 MB in the end (delta: 54.0 MB). Free memory was 179.6 MB in the beginning and 169.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 116.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:38:08,068 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 544]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 12623#(and (= ~a28~0 11) (= ~a17~0 7) (not (= ~a25~0 1)) (= ~a19~0 1) (= ~a21~0 1) (not (= ~a11~0 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 137.9 MB. Free memory was 103.9 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 796.57 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 83.4 MB in the beginning and 166.1 MB in the end (delta: -82.7 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.88 ms. Allocated memory is still 201.3 MB. Free memory was 166.1 MB in the beginning and 160.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1528.03 ms. Allocated memory was 201.3 MB in the beginning and 221.8 MB in the end (delta: 20.4 MB). Free memory was 160.7 MB in the beginning and 179.6 MB in the end (delta: -18.9 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 991.93 ms. Allocated memory was 221.8 MB in the beginning and 275.8 MB in the end (delta: 54.0 MB). Free memory was 179.6 MB in the beginning and 169.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 116.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...