./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df93fd989d6774382f7bc06f2f37e13403a51d4e .................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:33:26,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:33:26,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:33:26,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:33:26,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:33:26,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:33:26,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:33:26,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:33:26,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:33:26,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:33:26,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:33:26,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:33:26,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:33:26,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:33:26,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:33:26,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:33:26,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:33:26,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:33:26,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:33:26,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:33:26,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:33:26,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:33:26,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:33:26,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:33:26,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:33:26,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:33:26,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:33:26,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:33:26,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:33:26,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:33:26,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:33:26,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:33:26,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:33:26,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:33:26,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:33:26,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:33:26,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:33:26,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:33:26,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:33:26,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:33:26,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:33:26,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:33:26,769 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:33:26,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:33:26,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:33:26,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:33:26,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:33:26,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:33:26,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:33:26,772 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:33:26,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:33:26,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:33:26,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:33:26,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:33:26,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:33:26,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:33:26,774 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:33:26,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:33:26,774 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:33:26,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:33:26,775 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:33:26,775 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:33:26,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:33:26,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:33:26,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:26,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:33:26,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:33:26,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:33:26,777 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:33:26,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:33:26,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:33:26,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df93fd989d6774382f7bc06f2f37e13403a51d4e [2020-11-28 04:33:27,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:33:27,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:33:27,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:33:27,039 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:33:27,039 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:33:27,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c [2020-11-28 04:33:27,110 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/data/e3186b526/19ec1be0c43049fc9a5ba66121582269/FLAGae93e2866 [2020-11-28 04:33:27,579 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:33:27,580 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c [2020-11-28 04:33:27,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/data/e3186b526/19ec1be0c43049fc9a5ba66121582269/FLAGae93e2866 [2020-11-28 04:33:27,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/data/e3186b526/19ec1be0c43049fc9a5ba66121582269 [2020-11-28 04:33:27,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:33:27,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:33:27,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:27,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:33:27,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:33:27,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:27" (1/1) ... [2020-11-28 04:33:27,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8be5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27, skipping insertion in model container [2020-11-28 04:33:27,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:27" (1/1) ... [2020-11-28 04:33:28,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:33:28,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:33:28,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:28,381 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:33:28,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:28,532 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:33:28,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:28 WrapperNode [2020-11-28 04:33:28,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:28,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:28,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:33:28,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:33:28,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:28" (1/1) ... [2020-11-28 04:33:28,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:28" (1/1) ... [2020-11-28 04:33:28,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:28,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:33:28,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:33:28,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:33:28,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:28" (1/1) ... [2020-11-28 04:33:28,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:28" (1/1) ... [2020-11-28 04:33:28,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:28" (1/1) ... [2020-11-28 04:33:28,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:28" (1/1) ... [2020-11-28 04:33:28,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:28" (1/1) ... [2020-11-28 04:33:28,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:28" (1/1) ... [2020-11-28 04:33:28,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:28" (1/1) ... [2020-11-28 04:33:28,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:33:28,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:33:28,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:33:28,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:33:28,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-11-28 04:33:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:33:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:33:28,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:33:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:33:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:33:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:33:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:33:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:33:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:33:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-28 04:33:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-28 04:33:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:33:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:33:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:33:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:33:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:33:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:33:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:33:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:33:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:33:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:33:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:33:30,212 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:33:30,212 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-11-28 04:33:30,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:30 BoogieIcfgContainer [2020-11-28 04:33:30,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:33:30,215 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:33:30,215 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:33:30,226 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:33:30,226 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:30" (1/1) ... [2020-11-28 04:33:30,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:33:30,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2020-11-28 04:33:30,280 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-11-28 04:33:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:33:30,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:30,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:30,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2020-11-28 04:33:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2020-11-28 04:33:30,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:33:30,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:30,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2020-11-28 04:33:30,784 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2020-11-28 04:33:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:33:30,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:30,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:30,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:30,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2020-11-28 04:33:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2020-11-28 04:33:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:33:30,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:31,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 85 states and 122 transitions. [2020-11-28 04:33:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2020-11-28 04:33:31,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:33:31,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:31,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 86 states and 123 transitions. [2020-11-28 04:33:31,403 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2020-11-28 04:33:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:33:31,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 104 states and 163 transitions. [2020-11-28 04:33:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 163 transitions. [2020-11-28 04:33:32,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:33:32,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:32,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:32,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 105 states and 164 transitions. [2020-11-28 04:33:32,504 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 164 transitions. [2020-11-28 04:33:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:33:32,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:32,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:34,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:34,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 123 states and 208 transitions. [2020-11-28 04:33:34,527 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2020-11-28 04:33:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:33:34,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:34,617 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:34,692 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:34,898 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:35,014 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:35,118 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2020-11-28 04:33:35,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:33:35 ImpRootNode [2020-11-28 04:33:35,287 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:33:35,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:33:35,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:33:35,288 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:33:35,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:30" (3/4) ... [2020-11-28 04:33:35,297 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:33:35,458 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_85728f2f-2bdd-48ac-8d48-c3fcaa1a87b8/bin/ukojak/witness.graphml [2020-11-28 04:33:35,458 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:33:35,460 INFO L168 Benchmark]: Toolchain (without parser) took 7489.91 ms. Allocated memory was 81.8 MB in the beginning and 127.9 MB in the end (delta: 46.1 MB). Free memory was 43.7 MB in the beginning and 84.9 MB in the end (delta: -41.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:35,461 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 61.2 MB in the beginning and 61.2 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:35,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.80 ms. Allocated memory is still 81.8 MB. Free memory was 43.4 MB in the beginning and 47.7 MB in the end (delta: -4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:35,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.52 ms. Allocated memory is still 81.8 MB. Free memory was 47.4 MB in the beginning and 44.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:35,464 INFO L168 Benchmark]: Boogie Preprocessor took 58.25 ms. Allocated memory is still 81.8 MB. Free memory was 44.9 MB in the beginning and 42.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:35,465 INFO L168 Benchmark]: RCFGBuilder took 1568.77 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 42.8 MB in the beginning and 62.8 MB in the end (delta: -20.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:35,466 INFO L168 Benchmark]: CodeCheck took 5072.17 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 62.8 MB in the beginning and 96.5 MB in the end (delta: -33.7 MB). Peak memory consumption was 61.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:35,466 INFO L168 Benchmark]: Witness Printer took 170.86 ms. Allocated memory is still 127.9 MB. Free memory was 96.5 MB in the beginning and 84.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:35,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.8s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6156 SDtfs, 1408 SDslu, 2516 SDs, 0 SdLazy, 2080 SolverSat, 656 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1524 GetRequests, 1440 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2383 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 9027 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L589] int waterLevel = 1; [L590] int methaneLevelCritical = 0; [L696] int pumpRunning = 0; [L697] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L538] int retValue_acc ; [L541] retValue_acc = 1 [L542] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L943] int splverifierCounter ; [L944] int tmp ; [L945] int tmp___0 ; [L946] int tmp___1 ; [L947] int tmp___2 ; [L950] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L952] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L954] COND TRUE splverifierCounter < 4 [L960] tmp = __VERIFIER_nondet_int() [L962] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L964] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L607] COND TRUE waterLevel < 2 [L608] waterLevel = waterLevel + 1 [L964] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L970] tmp___0 = __VERIFIER_nondet_int() [L972] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L980] tmp___2 = __VERIFIER_nondet_int() [L982] COND FALSE !(\read(tmp___2)) [L988] tmp___1 = __VERIFIER_nondet_int() [L990] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L922] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L929] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L999] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L703] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L710] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L552] int tmp ; [L553] int tmp___0 ; [L554] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L558] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L628] int retValue_acc ; [L631] retValue_acc = methaneLevelCritical [L632] return (retValue_acc); [L558] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L660] int retValue_acc ; [L663] retValue_acc = waterLevel [L664] return (retValue_acc); [L564] tmp___0 = getWaterLevel() [L566] COND TRUE tmp___0 == 2 [L836] int retValue_acc ; [L839] retValue_acc = pumpRunning [L840] return (retValue_acc); [L568] tmp___1 = isPumpRunning() [L570] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product56.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 61.2 MB in the beginning and 61.2 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 562.80 ms. Allocated memory is still 81.8 MB. Free memory was 43.4 MB in the beginning and 47.7 MB in the end (delta: -4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.52 ms. Allocated memory is still 81.8 MB. Free memory was 47.4 MB in the beginning and 44.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.25 ms. Allocated memory is still 81.8 MB. Free memory was 44.9 MB in the beginning and 42.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1568.77 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 42.8 MB in the beginning and 62.8 MB in the end (delta: -20.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * CodeCheck took 5072.17 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 62.8 MB in the beginning and 96.5 MB in the end (delta: -33.7 MB). Peak memory consumption was 61.2 MB. Max. memory is 16.1 GB. * Witness Printer took 170.86 ms. Allocated memory is still 127.9 MB. Free memory was 96.5 MB in the beginning and 84.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...