./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:15:50,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:15:50,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:15:50,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:15:50,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:15:50,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:15:50,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:15:50,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:15:50,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:15:50,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:15:50,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:15:50,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:15:50,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:15:50,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:15:50,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:15:50,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:15:50,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:15:50,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:15:50,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:15:50,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:15:50,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:15:50,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:15:50,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:15:50,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:15:50,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:15:50,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:15:50,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:15:50,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:15:50,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:15:50,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:15:50,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:15:50,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:15:50,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:15:50,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:15:50,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:15:50,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:15:50,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:15:50,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:15:50,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:15:50,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:15:50,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:15:50,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 04:15:51,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:15:51,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:15:51,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:15:51,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:15:51,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:15:51,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:15:51,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:15:51,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:15:51,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:15:51,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:15:51,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:15:51,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:15:51,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:15:51,029 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 04:15:51,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:15:51,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:15:51,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:15:51,030 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:15:51,030 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:15:51,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:15:51,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:15:51,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:15:51,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:15:51,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:15:51,031 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:15:51,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:15:51,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:15:51,032 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_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 [2021-10-29 04:15:51,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:15:51,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:15:51,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:15:51,334 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:15:51,335 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:15:51,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2021-10-29 04:15:51,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/data/c73e38fe8/2eaef2356d9449079b146f6913801148/FLAG8ec358847 [2021-10-29 04:15:51,883 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:15:51,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2021-10-29 04:15:51,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/data/c73e38fe8/2eaef2356d9449079b146f6913801148/FLAG8ec358847 [2021-10-29 04:15:52,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/data/c73e38fe8/2eaef2356d9449079b146f6913801148 [2021-10-29 04:15:52,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:15:52,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:15:52,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:15:52,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:15:52,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:15:52,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490f40b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52, skipping insertion in model container [2021-10-29 04:15:52,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:15:52,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:15:52,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:15:52,456 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:15:52,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:15:52,480 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:15:52,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52 WrapperNode [2021-10-29 04:15:52,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:15:52,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:15:52,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:15:52,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:15:52,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:15:52,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:15:52,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:15:52,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:15:52,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:15:52,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:15:52,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:15:52,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:15:52,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:15:52,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:15:52,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:15:52,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:15:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:15:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:15:52,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:15:52,847 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:15:52,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:15:52 BoogieIcfgContainer [2021-10-29 04:15:52,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:15:52,851 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:15:52,851 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:15:52,861 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:15:52,861 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:15:52" (1/1) ... [2021-10-29 04:15:52,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:15:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-10-29 04:15:52,906 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-10-29 04:15:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:15:52,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:52,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:53,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2021-10-29 04:15:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-10-29 04:15:53,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:15:53,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:53,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2021-10-29 04:15:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2021-10-29 04:15:53,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:15:53,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:53,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:53,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:53,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2021-10-29 04:15:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2021-10-29 04:15:53,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:15:53,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:53,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:53,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:53,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2021-10-29 04:15:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2021-10-29 04:15:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:15:53,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:53,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:54,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2021-10-29 04:15:54,030 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-10-29 04:15:54,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:15:54,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:54,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:54,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:54,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2021-10-29 04:15:54,411 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2021-10-29 04:15:54,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:15:54,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:54,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:54,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:54,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2021-10-29 04:15:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2021-10-29 04:15:54,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:15:54,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:54,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:15:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2021-10-29 04:15:54,909 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2021-10-29 04:15:54,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:15:54,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:54,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:15:55,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2021-10-29 04:15:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2021-10-29 04:15:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:15:55,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:55,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:15:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2021-10-29 04:15:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2021-10-29 04:15:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:15:55,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:55,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:55,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2021-10-29 04:15:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2021-10-29 04:15:55,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:15:55,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:55,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:55,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2021-10-29 04:15:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2021-10-29 04:15:55,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:15:55,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:55,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:15:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-10-29 04:15:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-29 04:15:55,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:15:55,935 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2021-10-29 04:15:55,941 INFO L759 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2021-10-29 04:15:56,001 INFO L565 CodeCheckObserver]: Invariant with dag size 8 [2021-10-29 04:15:56,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:15:56 ImpRootNode [2021-10-29 04:15:56,012 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:15:56,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:15:56,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:15:56,018 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:15:56,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:15:52" (3/4) ... [2021-10-29 04:15:56,021 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:15:56,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 04:15:56,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 04:15:56,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:15:56,121 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:15:56,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:15:56,123 INFO L168 Benchmark]: Toolchain (without parser) took 3830.90 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 79.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:56,126 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 83.9 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:15:56,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.04 ms. Allocated memory is still 115.3 MB. Free memory was 85.6 MB in the beginning and 77.0 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:56,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.34 ms. Allocated memory is still 115.3 MB. Free memory was 76.9 MB in the beginning and 75.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:56,128 INFO L168 Benchmark]: Boogie Preprocessor took 19.47 ms. Allocated memory is still 115.3 MB. Free memory was 75.6 MB in the beginning and 74.6 MB in the end (delta: 989.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:56,128 INFO L168 Benchmark]: RCFGBuilder took 315.23 ms. Allocated memory is still 115.3 MB. Free memory was 74.6 MB in the beginning and 65.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:56,128 INFO L168 Benchmark]: CodeCheck took 3161.89 ms. Allocated memory is still 115.3 MB. Free memory was 64.9 MB in the beginning and 82.1 MB in the end (delta: -17.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:15:56,129 INFO L168 Benchmark]: Witness Printer took 107.93 ms. Allocated memory is still 115.3 MB. Free memory was 82.1 MB in the beginning and 79.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:56,133 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 1 procedures, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 45056 SDtfs, 64664 SDslu, 103464 SDs, 0 SdLazy, 174888 SolverSat, 33000 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1059 GetRequests, 926 SyntacticMatches, 35 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4618 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 20/20 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 - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (z <= 2147483647 && y <= 2147483647) && x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 83.9 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 189.04 ms. Allocated memory is still 115.3 MB. Free memory was 85.6 MB in the beginning and 77.0 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.34 ms. Allocated memory is still 115.3 MB. Free memory was 76.9 MB in the beginning and 75.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.47 ms. Allocated memory is still 115.3 MB. Free memory was 75.6 MB in the beginning and 74.6 MB in the end (delta: 989.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 315.23 ms. Allocated memory is still 115.3 MB. Free memory was 74.6 MB in the beginning and 65.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 3161.89 ms. Allocated memory is still 115.3 MB. Free memory was 64.9 MB in the beginning and 82.1 MB in the end (delta: -17.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 107.93 ms. Allocated memory is still 115.3 MB. Free memory was 82.1 MB in the beginning and 79.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:15:56,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cc2de7-b567-4238-90c8-defe99aa5f0c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...