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_floodmax.3.1.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 23:38:07,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 23:38:07,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 23:38:07,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 23:38:07,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 23:38:07,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 23:38:07,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 23:38:07,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 23:38:07,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 23:38:07,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 23:38:07,859 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 23:38:07,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 23:38:07,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 23:38:07,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 23:38:07,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 23:38:07,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 23:38:07,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 23:38:07,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 23:38:07,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 23:38:07,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 23:38:07,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 23:38:07,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 23:38:07,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 23:38:07,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 23:38:07,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 23:38:07,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 23:38:07,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 23:38:07,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 23:38:07,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 23:38:07,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 23:38:07,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 23:38:07,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 23:38:07,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 23:38:07,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 23:38:07,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 23:38:07,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 23:38:07,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 23:38:07,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 23:38:07,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 23:38:07,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 23:38:07,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 23:38:07,909 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 23:38:07,948 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 23:38:07,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 23:38:07,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 23:38:07,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 23:38:07,953 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 23:38:07,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 23:38:07,954 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 23:38:07,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 23:38:07,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 23:38:07,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 23:38:07,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 23:38:07,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 23:38:07,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 23:38:07,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 23:38:07,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 23:38:07,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 23:38:07,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 23:38:07,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 23:38:07,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 23:38:07,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 23:38:07,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 23:38:07,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 23:38:07,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 23:38:07,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 23:38:07,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 23:38:07,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 23:38:07,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 23:38:07,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 23:38:07,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 23:38:08,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 23:38:08,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 23:38:08,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 23:38:08,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 23:38:08,044 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 23:38:08,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2019-08-14 23:38:08,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4d045c9/0d71b21f10e04e59af54c7ed6876c749/FLAGf22c95db8 [2019-08-14 23:38:08,607 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 23:38:08,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2019-08-14 23:38:08,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4d045c9/0d71b21f10e04e59af54c7ed6876c749/FLAGf22c95db8 [2019-08-14 23:38:08,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4d045c9/0d71b21f10e04e59af54c7ed6876c749 [2019-08-14 23:38:08,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 23:38:08,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 23:38:08,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 23:38:08,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 23:38:08,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 23:38:08,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:38:08" (1/1) ... [2019-08-14 23:38:08,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a129550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:38:08, skipping insertion in model container [2019-08-14 23:38:08,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:38:08" (1/1) ... [2019-08-14 23:38:08,964 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 23:38:09,033 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 23:38:09,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:38:09,412 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 23:38:09,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:38:09,637 INFO L192 MainTranslator]: Completed translation [2019-08-14 23:38:09,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:38:09 WrapperNode [2019-08-14 23:38:09,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 23:38:09,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 23:38:09,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 23:38:09,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 23:38:09,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:38:09" (1/1) ... [2019-08-14 23:38:09,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:38:09" (1/1) ... [2019-08-14 23:38:09,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:38:09" (1/1) ... [2019-08-14 23:38:09,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:38:09" (1/1) ... [2019-08-14 23:38:09,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:38:09" (1/1) ... [2019-08-14 23:38:09,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:38:09" (1/1) ... [2019-08-14 23:38:09,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:38:09" (1/1) ... [2019-08-14 23:38:09,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 23:38:09,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 23:38:09,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 23:38:09,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 23:38:09,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:38:09" (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 23:38:09,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 23:38:09,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 23:38:09,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 23:38:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 23:38:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-14 23:38:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-14 23:38:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-14 23:38:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 23:38:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-14 23:38:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-14 23:38:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-14 23:38:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-14 23:38:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-14 23:38:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-14 23:38:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-14 23:38:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 23:38:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 23:38:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 23:38:10,651 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 23:38:10,651 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 23:38:10,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:38:10 BoogieIcfgContainer [2019-08-14 23:38:10,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 23:38:10,653 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 23:38:10,654 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 23:38:10,654 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 23:38:10,655 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:38:10" (1/1) ... [2019-08-14 23:38:11,110 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-08-14 23:38:11,365 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-14 23:42:37,976 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 23:42:37,978 INFO L168 Benchmark]: Toolchain (without parser) took 269031.31 ms. Allocated memory was 141.6 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 89.0 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2019-08-14 23:42:37,979 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-14 23:42:37,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.11 ms. Allocated memory was 141.6 MB in the beginning and 199.8 MB in the end (delta: 58.2 MB). Free memory was 88.8 MB in the beginning and 173.1 MB in the end (delta: -84.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-08-14 23:42:37,981 INFO L168 Benchmark]: Boogie Preprocessor took 57.64 ms. Allocated memory is still 199.8 MB. Free memory was 173.1 MB in the beginning and 170.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-14 23:42:37,982 INFO L168 Benchmark]: RCFGBuilder took 956.41 ms. Allocated memory is still 199.8 MB. Free memory was 170.5 MB in the beginning and 117.9 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. [2019-08-14 23:42:37,983 INFO L168 Benchmark]: Symbolic Interpretation took 267322.89 ms. Allocated memory was 199.8 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 117.9 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2019-08-14 23:42:37,988 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 353]: 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 2618974#(and (= 0 (mod main_~assert__arg~0 256)) (= main_~__tmp_1~0 main_~assert__arg~0) (= main_~main__c1~0 ~__return_1887~0) (= ~__return_1887~0 main_~check__tmp~0) (= main_~__tmp_1~0 (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 0.48 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.11 ms. Allocated memory was 141.6 MB in the beginning and 199.8 MB in the end (delta: 58.2 MB). Free memory was 88.8 MB in the beginning and 173.1 MB in the end (delta: -84.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.64 ms. Allocated memory is still 199.8 MB. Free memory was 173.1 MB in the beginning and 170.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 956.41 ms. Allocated memory is still 199.8 MB. Free memory was 170.5 MB in the beginning and 117.9 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 267322.89 ms. Allocated memory was 199.8 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 117.9 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...