./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN --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 06c9e9e5fbbf1cc74be5b07da6214ee5470bdc6403e06237275b94d0a60c1592 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:33:06,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:33:06,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:33:06,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:33:06,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:33:06,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:33:06,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:33:06,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:33:06,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:33:06,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:33:06,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:33:06,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:33:06,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:33:06,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:33:06,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:33:06,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:33:06,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:33:06,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:33:06,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:33:06,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:33:06,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:33:06,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:33:06,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:33:06,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:33:06,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:33:06,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:33:06,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:33:06,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:33:06,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:33:06,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:33:06,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:33:06,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:33:06,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:33:06,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:33:06,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:33:06,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:33:06,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:33:06,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:33:06,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:33:06,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:33:06,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:33:06,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 06:33:06,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:33:06,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:33:06,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:33:06,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:33:06,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:33:06,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:33:06,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:33:06,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:33:06,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:33:06,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:33:06,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:33:06,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:33:06,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:33:06,259 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:33:06,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:33:06,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:33:06,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:33:06,261 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:33:06,261 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:33:06,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:33:06,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:33:06,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:33:06,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:33:06,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:33:06,262 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:33:06,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:33:06,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:33:06,263 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_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06c9e9e5fbbf1cc74be5b07da6214ee5470bdc6403e06237275b94d0a60c1592 [2021-11-21 06:33:06,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:33:06,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:33:06,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:33:06,625 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:33:06,626 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:33:06,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c [2021-11-21 06:33:06,740 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/data/fbd7467ca/78fffef0998b4381a7508f10495da99a/FLAG49b3c5457 [2021-11-21 06:33:07,228 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:33:07,229 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c [2021-11-21 06:33:07,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/data/fbd7467ca/78fffef0998b4381a7508f10495da99a/FLAG49b3c5457 [2021-11-21 06:33:07,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/data/fbd7467ca/78fffef0998b4381a7508f10495da99a [2021-11-21 06:33:07,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:33:07,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:33:07,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:33:07,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:33:07,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:33:07,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d32dbc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07, skipping insertion in model container [2021-11-21 06:33:07,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:33:07,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:33:07,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:33:07,811 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:33:07,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:33:07,853 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:33:07,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07 WrapperNode [2021-11-21 06:33:07,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:33:07,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:33:07,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:33:07,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:33:07,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,885 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-11-21 06:33:07,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:33:07,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:33:07,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:33:07,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:33:07,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:33:07,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:33:07,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:33:07,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:33:07,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2021-11-21 06:33:07,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:33:07,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:33:07,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:33:07,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:33:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:33:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:33:08,067 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:33:08,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:33:08,160 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:33:08,177 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:33:08,177 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 06:33:08,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:08 BoogieIcfgContainer [2021-11-21 06:33:08,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:33:08,181 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:33:08,181 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:33:08,190 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:33:08,190 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:08" (1/1) ... [2021-11-21 06:33:08,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:33:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:08,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-21 06:33:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-21 06:33:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:33:08,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:08,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:08,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:08,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-21 06:33:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-21 06:33:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:33:08,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:08,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:08,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2021-11-21 06:33:09,023 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-21 06:33:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:33:09,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:09,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:09,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:09,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2021-11-21 06:33:09,329 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2021-11-21 06:33:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:33:09,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:09,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:09,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:09,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2021-11-21 06:33:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2021-11-21 06:33:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:33:09,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:09,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:09,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-21 06:33:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-21 06:33:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:33:09,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:09,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:10,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-11-21 06:33:10,010 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-11-21 06:33:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:33:10,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:10,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2021-11-21 06:33:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-11-21 06:33:10,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:33:10,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:10,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:10,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:10,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-21 06:33:10,324 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-21 06:33:10,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:33:10,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:10,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:10,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:10,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2021-11-21 06:33:10,509 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-11-21 06:33:10,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:33:10,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:10,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:10,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:33:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:10,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2021-11-21 06:33:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2021-11-21 06:33:10,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:33:10,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:10,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:10,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:10,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:10,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2021-11-21 06:33:10,855 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-11-21 06:33:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:33:10,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:10,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:33:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:11,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-11-21 06:33:11,126 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-21 06:33:11,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:33:11,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:11,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:33:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:11,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-11-21 06:33:11,315 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-21 06:33:11,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 06:33:11,316 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2021-11-21 06:33:11,329 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-21 06:33:11,373 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2021-11-21 06:33:11,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:33:11 ImpRootNode [2021-11-21 06:33:11,388 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 06:33:11,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 06:33:11,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 06:33:11,389 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 06:33:11,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:08" (3/4) ... [2021-11-21 06:33:11,393 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 06:33:11,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-21 06:33:11,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-21 06:33:11,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 06:33:11,454 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 06:33:11,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 06:33:11,455 INFO L158 Benchmark]: Toolchain (without parser) took 3835.37ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 56.3MB in the beginning and 56.1MB in the end (delta: 131.0kB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2021-11-21 06:33:11,455 INFO L158 Benchmark]: CDTParser took 1.56ms. Allocated memory is still 92.3MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:33:11,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.32ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 56.1MB in the beginning and 95.1MB in the end (delta: -39.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-21 06:33:11,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.15ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 93.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:33:11,457 INFO L158 Benchmark]: Boogie Preprocessor took 24.61ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 93.0MB in the end (delta: 752.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:33:11,458 INFO L158 Benchmark]: RCFGBuilder took 268.85ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 84.2MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:33:11,459 INFO L158 Benchmark]: CodeCheck took 3207.02ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 58.2MB in the end (delta: 25.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-11-21 06:33:11,459 INFO L158 Benchmark]: Witness Printer took 65.76ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 56.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:33:11,463 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, 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: 0 mSolverCounterUnknown, 358 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 388 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1483 IncrementalHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 388 mSolverCounterUnsat, 0 mSDtfsCounter, 1483 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 906 GetRequests, 778 SyntacticMatches, 52 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2280 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 21/33 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= x + 2147483648) && 0 <= K + 2147483648) && K <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56ms. Allocated memory is still 92.3MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.32ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 56.1MB in the beginning and 95.1MB in the end (delta: -39.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.15ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 93.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.61ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 93.0MB in the end (delta: 752.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 268.85ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 84.2MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3207.02ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 58.2MB in the end (delta: 25.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 65.76ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 56.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 06:33:11,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48042a9e-91c0-454b-859b-0b2f59e017f7/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE