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/Problem06_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:10:13,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:10:13,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:10:13,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:10:13,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:10:13,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:10:13,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:10:13,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:10:13,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:10:13,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:10:13,121 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:10:13,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:10:13,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:10:13,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:10:13,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:10:13,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:10:13,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:10:13,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:10:13,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:10:13,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:10:13,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:10:13,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:10:13,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:10:13,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:10:13,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 11:10:13,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 11:10:13,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 11:10:13,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 11:10:13,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 11:10:13,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 11:10:13,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:10:13,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:10:13,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:10:13,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:10:13,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:10:13,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:10:13,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:10:13,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:10:13,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:10:13,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:10:13,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:10:13,169 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 [2019-08-14 11:10:13,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:10:13,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:10:13,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:10:13,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:10:13,190 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:10:13,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:10:13,190 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:10:13,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:10:13,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:10:13,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:10:13,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:10:13,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:10:13,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:10:13,192 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:10:13,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:10:13,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:10:13,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:10:13,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:10:13,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:10:13,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:10:13,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:10:13,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:10:13,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:10:13,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:10:13,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:10:13,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:10:13,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:10:13,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:10:13,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:10:13,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:10:13,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:10:13,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:10:13,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:10:13,265 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:10:13,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label52.c [2019-08-14 11:10:13,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a38df233/d7941dc10cf140a1b2df85496f446b4c/FLAG6dcf945b0 [2019-08-14 11:10:14,146 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:10:14,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label52.c [2019-08-14 11:10:14,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a38df233/d7941dc10cf140a1b2df85496f446b4c/FLAG6dcf945b0 [2019-08-14 11:10:14,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a38df233/d7941dc10cf140a1b2df85496f446b4c [2019-08-14 11:10:14,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:10:14,627 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:10:14,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:10:14,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:10:14,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:10:14,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:10:14" (1/1) ... [2019-08-14 11:10:14,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3906ba31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:14, skipping insertion in model container [2019-08-14 11:10:14,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:10:14" (1/1) ... [2019-08-14 11:10:14,646 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:10:14,833 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:10:17,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:10:17,301 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:10:18,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:10:18,629 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:10:18,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:18 WrapperNode [2019-08-14 11:10:18,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:10:18,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:10:18,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:10:18,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:10:18,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:18" (1/1) ... [2019-08-14 11:10:18,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:18" (1/1) ... [2019-08-14 11:10:18,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:18" (1/1) ... [2019-08-14 11:10:18,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:18" (1/1) ... [2019-08-14 11:10:18,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:18" (1/1) ... [2019-08-14 11:10:19,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:18" (1/1) ... [2019-08-14 11:10:19,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:18" (1/1) ... [2019-08-14 11:10:19,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:10:19,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:10:19,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:10:19,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:10:19,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:18" (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 [2019-08-14 11:10:19,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:10:19,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:10:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:10:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:10:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:10:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:10:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-14 11:10:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:10:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:10:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:10:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:10:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:10:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-14 11:10:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:10:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:10:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:10:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:10:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:10:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:10:26,612 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:10:26,613 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:10:26,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:10:26 BoogieIcfgContainer [2019-08-14 11:10:26,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:10:26,615 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:10:26,616 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:10:26,616 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:10:26,617 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:10:26" (1/1) ... [2019-08-14 11:10:32,843 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:10:32,846 INFO L168 Benchmark]: Toolchain (without parser) took 18218.61 ms. Allocated memory was 178.3 MB in the beginning and 762.3 MB in the end (delta: 584.1 MB). Free memory was 140.7 MB in the beginning and 585.9 MB in the end (delta: -445.2 MB). Peak memory consumption was 506.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:32,848 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:10:32,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4000.33 ms. Allocated memory was 178.3 MB in the beginning and 283.6 MB in the end (delta: 105.4 MB). Free memory was 140.7 MB in the beginning and 80.4 MB in the end (delta: 60.3 MB). Peak memory consumption was 170.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:32,850 INFO L168 Benchmark]: Boogie Preprocessor took 506.43 ms. Allocated memory was 283.6 MB in the beginning and 288.9 MB in the end (delta: 5.2 MB). Free memory was 80.4 MB in the beginning and 152.7 MB in the end (delta: -72.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:32,851 INFO L168 Benchmark]: RCFGBuilder took 7478.17 ms. Allocated memory was 288.9 MB in the beginning and 597.2 MB in the end (delta: 308.3 MB). Free memory was 152.7 MB in the beginning and 320.9 MB in the end (delta: -168.2 MB). Peak memory consumption was 300.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:32,852 INFO L168 Benchmark]: Symbolic Interpretation took 6228.30 ms. Allocated memory was 597.2 MB in the beginning and 762.3 MB in the end (delta: 165.2 MB). Free memory was 320.9 MB in the beginning and 585.9 MB in the end (delta: -265.0 MB). Peak memory consumption was 267.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:32,857 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9444]: 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 127429#(and (= ~a14~0 6) (= 13 ~a3~0) (not (= ~a26~0 1)) (= ~a27~0 19) (= ~a10~0 1) (= 1 ~a2~0) (not (= ~a25~0 1))). 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 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4000.33 ms. Allocated memory was 178.3 MB in the beginning and 283.6 MB in the end (delta: 105.4 MB). Free memory was 140.7 MB in the beginning and 80.4 MB in the end (delta: 60.3 MB). Peak memory consumption was 170.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 506.43 ms. Allocated memory was 283.6 MB in the beginning and 288.9 MB in the end (delta: 5.2 MB). Free memory was 80.4 MB in the beginning and 152.7 MB in the end (delta: -72.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7478.17 ms. Allocated memory was 288.9 MB in the beginning and 597.2 MB in the end (delta: 308.3 MB). Free memory was 152.7 MB in the beginning and 320.9 MB in the end (delta: -168.2 MB). Peak memory consumption was 300.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6228.30 ms. Allocated memory was 597.2 MB in the beginning and 762.3 MB in the end (delta: 165.2 MB). Free memory was 320.9 MB in the beginning and 585.9 MB in the end (delta: -265.0 MB). Peak memory consumption was 267.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...