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/Problem13_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:54:11,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:54:11,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:54:11,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:54:11,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:54:11,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:54:11,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:54:11,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:54:11,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:54:11,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:54:11,534 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:54:11,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:54:11,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:54:11,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:54:11,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:54:11,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:54:11,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:54:11,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:54:11,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:54:11,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:54:11,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:54:11,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:54:11,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:54:11,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:54:11,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:54:11,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:54:11,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:54:11,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:54:11,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:54:11,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:54:11,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:54:11,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:54:11,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:54:11,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:54:11,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:54:11,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:54:11,560 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 10:54:11,575 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:54:11,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:54:11,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:54:11,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:54:11,579 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:54:11,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:54:11,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:54:11,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:54:11,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:54:11,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:54:11,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:54:11,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:54:11,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:54:11,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:54:11,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:54:11,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:54:11,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:54:11,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:54:11,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:54:11,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:54:11,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:54:11,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:54:11,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:54:11,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:54:11,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:54:11,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:54:11,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:54:11,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:54:11,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:54:11,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:54:11,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:54:11,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:54:11,645 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:54:11,646 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:54:11,646 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label28.c [2019-08-08 10:54:11,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ebe7b9e/84bf01f694a0417f81b81587c199ed16/FLAG899609964 [2019-08-08 10:54:12,522 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:54:12,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label28.c [2019-08-08 10:54:12,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ebe7b9e/84bf01f694a0417f81b81587c199ed16/FLAG899609964 [2019-08-08 10:54:13,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ebe7b9e/84bf01f694a0417f81b81587c199ed16 [2019-08-08 10:54:13,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:54:13,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:54:13,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:54:13,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:54:13,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:54:13,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:54:13" (1/1) ... [2019-08-08 10:54:13,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff4073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:54:13, skipping insertion in model container [2019-08-08 10:54:13,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:54:13" (1/1) ... [2019-08-08 10:54:13,063 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:54:13,249 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:54:14,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:54:15,002 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:54:15,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:54:15,906 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:54:15,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:54:15 WrapperNode [2019-08-08 10:54:15,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:54:15,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:54:15,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:54:15,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:54:15,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:54:15" (1/1) ... [2019-08-08 10:54:15,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:54:15" (1/1) ... [2019-08-08 10:54:16,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:54:15" (1/1) ... [2019-08-08 10:54:16,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:54:15" (1/1) ... [2019-08-08 10:54:16,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:54:15" (1/1) ... [2019-08-08 10:54:16,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:54:15" (1/1) ... [2019-08-08 10:54:16,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:54:15" (1/1) ... [2019-08-08 10:54:16,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:54:16,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:54:16,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:54:16,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:54:16,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:54:15" (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 10:54:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:54:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:54:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:54:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 10:54:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-08 10:54:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-08 10:54:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:54:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:54:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 10:54:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-08 10:54:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-08 10:54:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:54:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:54:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:54:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:54:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:54:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:54:28,021 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:54:28,022 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:54:28,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:54:28 BoogieIcfgContainer [2019-08-08 10:54:28,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:54:28,026 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:54:28,026 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:54:28,026 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:54:28,028 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:54:28" (1/1) ... [2019-08-08 10:54:28,042 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:54:28,044 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:54:28,063 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:54:28,072 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:54:28,073 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:54:28,123 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 43 [2019-08-08 10:54:50,980 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 16 [2019-08-08 10:54:51,025 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:54:51,026 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:54:51,028 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 696405#(and (= 2 ~a1~0) (not (= ~a13~0 1)) (<= ~a12~0 178) (< 95 ~a23~0) (= ~a19~0 11) (<= ~a23~0 264) (= ~a26~0 1)) [2019-08-08 10:54:51,029 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:54:51,037 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:54:51,040 INFO L168 Benchmark]: Toolchain (without parser) took 37994.05 ms. Allocated memory was 138.4 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 69.0 MB in the beginning and 1.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-08 10:54:51,041 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 10:54:51,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2860.95 ms. Allocated memory was 138.4 MB in the beginning and 274.2 MB in the end (delta: 135.8 MB). Free memory was 69.0 MB in the beginning and 171.2 MB in the end (delta: -102.2 MB). Peak memory consumption was 107.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:54:51,043 INFO L168 Benchmark]: Boogie Preprocessor took 377.77 ms. Allocated memory is still 274.2 MB. Free memory was 171.2 MB in the beginning and 134.9 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:54:51,044 INFO L168 Benchmark]: RCFGBuilder took 11739.27 ms. Allocated memory was 274.2 MB in the beginning and 428.3 MB in the end (delta: 154.1 MB). Free memory was 134.9 MB in the beginning and 189.6 MB in the end (delta: -54.7 MB). Peak memory consumption was 173.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:54:51,045 INFO L168 Benchmark]: Symbolic Interpretation took 23011.68 ms. Allocated memory was 428.3 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 189.6 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-08-08 10:54:51,050 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 0.18 ms. Allocated memory is still 138.4 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2860.95 ms. Allocated memory was 138.4 MB in the beginning and 274.2 MB in the end (delta: 135.8 MB). Free memory was 69.0 MB in the beginning and 171.2 MB in the end (delta: -102.2 MB). Peak memory consumption was 107.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 377.77 ms. Allocated memory is still 274.2 MB. Free memory was 171.2 MB in the beginning and 134.9 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11739.27 ms. Allocated memory was 274.2 MB in the beginning and 428.3 MB in the end (delta: 154.1 MB). Free memory was 134.9 MB in the beginning and 189.6 MB in the end (delta: -54.7 MB). Peak memory consumption was 173.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 23011.68 ms. Allocated memory was 428.3 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 189.6 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...