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/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:33:27,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:33:27,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:33:27,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:33:27,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:33:27,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:33:27,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:33:27,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:33:27,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:33:27,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:33:27,800 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:33:27,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:33:27,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:33:27,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:33:27,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:33:27,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:33:27,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:33:27,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:33:27,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:33:27,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:33:27,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:33:27,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:33:27,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:33:27,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:33:27,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 06:33:27,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:33:27,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:33:27,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:33:27,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:33:27,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:33:27,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:33:27,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:33:27,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:33:27,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:33:27,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:33:27,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:33:27,831 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 06:33:27,847 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:33:27,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:33:27,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:33:27,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:33:27,848 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:33:27,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:33:27,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:33:27,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:33:27,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:33:27,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:33:27,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:33:27,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:33:27,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:33:27,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:33:27,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:33:27,851 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:33:27,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:33:27,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:33:27,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:33:27,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:33:27,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:33:27,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:33:27,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:33:27,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:33:27,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:33:27,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:33:27,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:33:27,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:33:27,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:33:27,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:33:27,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:33:27,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:33:27,930 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:33:27,931 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:33:27,931 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+nlh-reducer.c [2019-08-10 06:33:27,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a30eee3a6/2706c0f97ce449a58d7bd7b839870d95/FLAG309e49fa9 [2019-08-10 06:33:28,551 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:33:28,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+nlh-reducer.c [2019-08-10 06:33:28,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a30eee3a6/2706c0f97ce449a58d7bd7b839870d95/FLAG309e49fa9 [2019-08-10 06:33:28,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a30eee3a6/2706c0f97ce449a58d7bd7b839870d95 [2019-08-10 06:33:29,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:33:29,003 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:33:29,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:33:29,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:33:29,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:33:29,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:33:28" (1/1) ... [2019-08-10 06:33:29,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f5a1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:33:29, skipping insertion in model container [2019-08-10 06:33:29,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:33:28" (1/1) ... [2019-08-10 06:33:29,023 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:33:29,088 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:33:29,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:33:29,598 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:33:29,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:33:29,761 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:33:29,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:33:29 WrapperNode [2019-08-10 06:33:29,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:33:29,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:33:29,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:33:29,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:33:29,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:33:29" (1/1) ... [2019-08-10 06:33:29,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:33:29" (1/1) ... [2019-08-10 06:33:29,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:33:29" (1/1) ... [2019-08-10 06:33:29,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:33:29" (1/1) ... [2019-08-10 06:33:29,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:33:29" (1/1) ... [2019-08-10 06:33:29,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:33:29" (1/1) ... [2019-08-10 06:33:29,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:33:29" (1/1) ... [2019-08-10 06:33:29,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:33:29,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:33:29,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:33:29,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:33:29,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:33:29" (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 06:33:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:33:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:33:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:33:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:33:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:33:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:33:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:33:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:33:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:33:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:33:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:33:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:33:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:33:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 06:33:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-10 06:33:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-10 06:33:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-08-10 06:33:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:33:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:33:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:33:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:33:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:33:31,096 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:33:31,096 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:33:31,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:33:31 BoogieIcfgContainer [2019-08-10 06:33:31,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:33:31,101 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:33:31,101 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:33:31,101 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:33:31,102 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:33:31" (1/1) ... [2019-08-10 06:33:31,759 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-08-10 06:33:32,160 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-08-10 06:33:50,471 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:33:50,478 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:33:50,480 INFO L168 Benchmark]: Toolchain (without parser) took 21476.63 ms. Allocated memory was 138.4 MB in the beginning and 921.7 MB in the end (delta: 783.3 MB). Free memory was 84.8 MB in the beginning and 543.6 MB in the end (delta: -458.8 MB). Peak memory consumption was 733.9 MB. Max. memory is 7.1 GB. [2019-08-10 06:33:50,481 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-10 06:33:50,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.74 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 84.5 MB in the beginning and 170.1 MB in the end (delta: -85.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-08-10 06:33:50,483 INFO L168 Benchmark]: Boogie Preprocessor took 78.36 ms. Allocated memory is still 199.8 MB. Free memory was 170.1 MB in the beginning and 166.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-08-10 06:33:50,484 INFO L168 Benchmark]: RCFGBuilder took 1258.84 ms. Allocated memory is still 199.8 MB. Free memory was 166.7 MB in the beginning and 82.2 MB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-08-10 06:33:50,485 INFO L168 Benchmark]: Symbolic Interpretation took 19377.37 ms. Allocated memory was 199.8 MB in the beginning and 921.7 MB in the end (delta: 721.9 MB). Free memory was 82.2 MB in the beginning and 543.6 MB in the end (delta: -461.4 MB). Peak memory consumption was 669.9 MB. Max. memory is 7.1 GB. [2019-08-10 06:33:50,489 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 547]: 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 4804#(and (= main_~main__c1~0 ~__return_29020~0) (= main_~__tmp_2~0 main_~assert__arg~1) (= ~__return_29020~0 main_~check__tmp~1) (= (mod main_~assert__arg~1 256) 0) (= main_~__tmp_2~0 (ite (= main_~main__c1~0 0) 0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 757.74 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 84.5 MB in the beginning and 170.1 MB in the end (delta: -85.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.36 ms. Allocated memory is still 199.8 MB. Free memory was 170.1 MB in the beginning and 166.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1258.84 ms. Allocated memory is still 199.8 MB. Free memory was 166.7 MB in the beginning and 82.2 MB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 19377.37 ms. Allocated memory was 199.8 MB in the beginning and 921.7 MB in the end (delta: 721.9 MB). Free memory was 82.2 MB in the beginning and 543.6 MB in the end (delta: -461.4 MB). Peak memory consumption was 669.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...