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/Problem12_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:49:53,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:49:53,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:49:53,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:49:53,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:49:53,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:49:53,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:49:53,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:49:53,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:49:53,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:49:53,159 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:49:53,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:49:53,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:49:53,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:49:53,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:49:53,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:49:53,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:49:53,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:49:53,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:49:53,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:49:53,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:49:53,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:49:53,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:49:53,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:49:53,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:49:53,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:49:53,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:49:53,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:49:53,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:49:53,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:49:53,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:49:53,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:49:53,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:49:53,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:49:53,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:49:53,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:49:53,207 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 10:49:53,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:49:53,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:49:53,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:49:53,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:49:53,236 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:49:53,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:49:53,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:49:53,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:49:53,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:49:53,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:49:53,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:49:53,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:49:53,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:49:53,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:49:53,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:49:53,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:49:53,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:49:53,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:49:53,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:49:53,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:49:53,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:49:53,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:49:53,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:49:53,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:49:53,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:49:53,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:49:53,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:49:53,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:49:53,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:49:53,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:49:53,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:49:53,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:49:53,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:49:53,315 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:49:53,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label00.c [2019-08-08 10:49:53,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2fb9ef41/c0290466fcb649f68420114dbbbc7f5e/FLAGb1ef19449 [2019-08-08 10:49:54,124 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:49:54,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label00.c [2019-08-08 10:49:54,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2fb9ef41/c0290466fcb649f68420114dbbbc7f5e/FLAGb1ef19449 [2019-08-08 10:49:54,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2fb9ef41/c0290466fcb649f68420114dbbbc7f5e [2019-08-08 10:49:54,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:49:54,209 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:49:54,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:49:54,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:49:54,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:49:54,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:49:54" (1/1) ... [2019-08-08 10:49:54,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d87163a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:54, skipping insertion in model container [2019-08-08 10:49:54,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:49:54" (1/1) ... [2019-08-08 10:49:54,227 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:49:54,396 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:49:55,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:49:55,827 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:49:56,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:49:56,459 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:49:56,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:56 WrapperNode [2019-08-08 10:49:56,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:49:56,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:49:56,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:49:56,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:49:56,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:56" (1/1) ... [2019-08-08 10:49:56,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:56" (1/1) ... [2019-08-08 10:49:56,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:56" (1/1) ... [2019-08-08 10:49:56,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:56" (1/1) ... [2019-08-08 10:49:56,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:56" (1/1) ... [2019-08-08 10:49:56,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:56" (1/1) ... [2019-08-08 10:49:56,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:56" (1/1) ... [2019-08-08 10:49:56,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:49:56,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:49:56,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:49:56,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:49:56,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:56" (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 10:49:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:49:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:49:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:49:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 10:49:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-08 10:49:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-08 10:49:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:49:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:49:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 10:49:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-08 10:49:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-08 10:49:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:49:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:49:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:49:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:49:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:49:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:50:05,977 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:50:05,978 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:50:05,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:50:05 BoogieIcfgContainer [2019-08-08 10:50:05,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:50:05,980 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:50:05,981 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:50:05,981 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:50:05,982 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:50:05" (1/1) ... [2019-08-08 10:50:05,993 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:50:05,996 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:50:06,008 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:50:06,016 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:50:06,017 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:50:06,064 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 45 [2019-08-08 10:50:32,896 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 16 [2019-08-08 10:50:32,955 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:50:32,955 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:50:32,958 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 923608#(and (= ~a24~0 13) (= 13 ~a7~0) (<= (+ ~a17~0 108) 0) (= 3 ~a5~0) (<= ~a2~0 189)) [2019-08-08 10:50:32,959 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:50:32,967 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:50:32,970 INFO L168 Benchmark]: Toolchain (without parser) took 38760.36 ms. Allocated memory was 130.5 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 71.5 MB in the beginning and 1.0 GB in the end (delta: -950.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-08 10:50:32,971 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 130.5 MB. Free memory is still 103.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 10:50:32,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2297.85 ms. Allocated memory was 130.5 MB in the beginning and 296.7 MB in the end (delta: 166.2 MB). Free memory was 71.5 MB in the beginning and 238.4 MB in the end (delta: -166.8 MB). Peak memory consumption was 122.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:50:32,973 INFO L168 Benchmark]: Boogie Preprocessor took 318.60 ms. Allocated memory is still 296.7 MB. Free memory was 238.4 MB in the beginning and 211.2 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-08-08 10:50:32,974 INFO L168 Benchmark]: RCFGBuilder took 9153.11 ms. Allocated memory was 296.7 MB in the beginning and 393.2 MB in the end (delta: 96.5 MB). Free memory was 211.2 MB in the beginning and 255.5 MB in the end (delta: -44.3 MB). Peak memory consumption was 242.2 MB. Max. memory is 7.1 GB. [2019-08-08 10:50:32,975 INFO L168 Benchmark]: Symbolic Interpretation took 26986.67 ms. Allocated memory was 393.2 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 255.5 MB in the beginning and 1.0 GB in the end (delta: -766.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-08 10:50:32,980 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 57]: 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 0.40 ms. Allocated memory is still 130.5 MB. Free memory is still 103.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2297.85 ms. Allocated memory was 130.5 MB in the beginning and 296.7 MB in the end (delta: 166.2 MB). Free memory was 71.5 MB in the beginning and 238.4 MB in the end (delta: -166.8 MB). Peak memory consumption was 122.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 318.60 ms. Allocated memory is still 296.7 MB. Free memory was 238.4 MB in the beginning and 211.2 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9153.11 ms. Allocated memory was 296.7 MB in the beginning and 393.2 MB in the end (delta: 96.5 MB). Free memory was 211.2 MB in the beginning and 255.5 MB in the end (delta: -44.3 MB). Peak memory consumption was 242.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 26986.67 ms. Allocated memory was 393.2 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 255.5 MB in the beginning and 1.0 GB in the end (delta: -766.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...