./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/MultCommutative-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/MultCommutative-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY --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 f536dfaa325c5623e8e0c5d03d4d9d96bd998e26 .......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:26:35,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:26:35,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:26:35,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:26:35,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:26:35,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:26:35,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:26:35,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:26:35,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:26:35,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:26:35,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:26:35,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:26:35,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:26:35,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:26:35,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:26:35,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:26:35,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:26:35,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:26:35,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:26:35,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:26:35,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:26:35,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:26:35,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:26:35,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:26:35,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:26:35,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:26:35,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:26:35,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:26:35,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:26:35,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:26:35,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:26:35,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:26:35,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:26:35,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:26:35,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:26:35,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:26:35,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:26:35,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:26:35,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:26:35,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:26:35,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:26:35,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 03:26:35,989 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:26:35,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:26:35,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:26:35,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:26:35,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:26:35,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:26:35,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:26:35,996 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 03:26:36,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:26:36,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:26:36,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:26:36,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:26:36,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:26:36,001 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 03:26:36,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:26:36,003 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:26:36,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:26:36,003 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:26:36,003 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:26:36,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:26:36,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:26:36,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:26:36,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:26:36,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:26:36,005 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:26:36,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:26:36,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:26:36,006 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_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f536dfaa325c5623e8e0c5d03d4d9d96bd998e26 [2021-10-13 03:26:36,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:26:36,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:26:36,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:26:36,274 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:26:36,275 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:26:36,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-numeric/MultCommutative-1.c [2021-10-13 03:26:36,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/data/721d2415d/bcd119d5966149d5bb956ee62b4b9b4f/FLAGb4d0c0a75 [2021-10-13 03:26:36,779 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:26:36,779 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/sv-benchmarks/c/termination-numeric/MultCommutative-1.c [2021-10-13 03:26:36,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/data/721d2415d/bcd119d5966149d5bb956ee62b4b9b4f/FLAGb4d0c0a75 [2021-10-13 03:26:37,183 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/data/721d2415d/bcd119d5966149d5bb956ee62b4b9b4f [2021-10-13 03:26:37,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:26:37,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:26:37,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:26:37,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:26:37,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:26:37,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f58a331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37, skipping insertion in model container [2021-10-13 03:26:37,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:26:37,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:26:37,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/sv-benchmarks/c/termination-numeric/MultCommutative-1.c[1008,1021] [2021-10-13 03:26:37,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:26:37,402 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:26:37,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/sv-benchmarks/c/termination-numeric/MultCommutative-1.c[1008,1021] [2021-10-13 03:26:37,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:26:37,431 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:26:37,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37 WrapperNode [2021-10-13 03:26:37,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:26:37,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:26:37,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:26:37,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:26:37,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:26:37,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:26:37,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:26:37,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:26:37,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:26:37,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:26:37,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:26:37,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:26:37,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:26:37,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:26:37,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:26:37,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:26:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2021-10-13 03:26:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2021-10-13 03:26:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:26:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:26:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:26:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:26:37,866 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:26:37,866 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 03:26:37,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:26:37 BoogieIcfgContainer [2021-10-13 03:26:37,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:26:37,870 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:26:37,870 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:26:37,880 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:26:37,880 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:26:37" (1/1) ... [2021-10-13 03:26:37,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:26:37,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:37,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2021-10-13 03:26:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-10-13 03:26:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 03:26:37,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:37,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:38,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:26:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:38,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 40 transitions. [2021-10-13 03:26:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2021-10-13 03:26:38,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:26:38,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:38,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:26:38,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:38,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 47 transitions. [2021-10-13 03:26:38,463 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2021-10-13 03:26:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:26:38,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:38,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:26:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:38,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 46 transitions. [2021-10-13 03:26:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2021-10-13 03:26:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:26:38,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:38,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:38,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:26:38,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:38,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 51 transitions. [2021-10-13 03:26:38,733 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2021-10-13 03:26:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:26:38,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:38,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:38,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:26:39,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 49 transitions. [2021-10-13 03:26:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2021-10-13 03:26:39,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:26:39,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:39,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 03:26:39,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:39,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 48 transitions. [2021-10-13 03:26:39,168 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2021-10-13 03:26:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:26:39,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:39,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:39,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:26:39,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:39,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 51 transitions. [2021-10-13 03:26:39,386 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2021-10-13 03:26:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:26:39,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:39,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:26:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 50 transitions. [2021-10-13 03:26:39,790 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2021-10-13 03:26:39,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 03:26:39,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:39,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:39,883 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:26:40,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:40,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 22 states and 26 transitions. [2021-10-13 03:26:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-10-13 03:26:40,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:26:40,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:40,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:40,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:26:40,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:40,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 32 states and 43 transitions. [2021-10-13 03:26:40,938 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2021-10-13 03:26:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 03:26:40,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:40,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:26:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 41 states and 57 transitions. [2021-10-13 03:26:41,832 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2021-10-13 03:26:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:26:41,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:41,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:26:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:26:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:26:43,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 45 states and 73 transitions. [2021-10-13 03:26:43,011 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2021-10-13 03:26:43,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 03:26:43,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:26:43,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:26:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:26:43,041 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:26:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:26:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:26:43,123 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:26:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:26:43,154 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2021-10-13 03:26:43,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:26:43 ImpRootNode [2021-10-13 03:26:43,204 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:26:43,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:26:43,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:26:43,205 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:26:43,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:26:37" (3/4) ... [2021-10-13 03:26:43,207 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 03:26:43,374 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:26:43,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:26:43,376 INFO L168 Benchmark]: Toolchain (without parser) took 6188.20 ms. Allocated memory was 98.6 MB in the beginning and 151.0 MB in the end (delta: 52.4 MB). Free memory was 65.3 MB in the beginning and 106.9 MB in the end (delta: -41.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-13 03:26:43,377 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 54.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:26:43,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.96 ms. Allocated memory is still 98.6 MB. Free memory was 64.9 MB in the beginning and 73.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:26:43,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.27 ms. Allocated memory is still 98.6 MB. Free memory was 73.7 MB in the beginning and 72.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:26:43,379 INFO L168 Benchmark]: Boogie Preprocessor took 18.91 ms. Allocated memory is still 98.6 MB. Free memory was 72.4 MB in the beginning and 71.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:26:43,380 INFO L168 Benchmark]: RCFGBuilder took 383.61 ms. Allocated memory is still 98.6 MB. Free memory was 71.4 MB in the beginning and 59.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 03:26:43,381 INFO L168 Benchmark]: CodeCheck took 5334.11 ms. Allocated memory was 98.6 MB in the beginning and 151.0 MB in the end (delta: 52.4 MB). Free memory was 59.9 MB in the beginning and 110.1 MB in the end (delta: -50.1 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2021-10-13 03:26:43,382 INFO L168 Benchmark]: Witness Printer took 170.14 ms. Allocated memory is still 151.0 MB. Free memory was 110.1 MB in the beginning and 106.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 03:26:43,387 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 2 procedures, 30 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 5244.9ms, OverallIterations: 13, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 26772 SDtfs, 24606 SDslu, 1920 SDs, 0 SdLazy, 138564 SolverSat, 40918 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1827.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1624 GetRequests, 1461 SyntacticMatches, 39 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5868 ImplicationChecksByTransitivity, 3661.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 34.7ms SsaConstructionTime, 188.4ms SatisfiabilityAnalysisTime, 1143.9ms InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 389 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 22/37 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L28] int m = __VERIFIER_nondet_int(); [L29] COND FALSE !(m < 0) [L32] int n = __VERIFIER_nondet_int(); [L33] COND FALSE !(n < 0) [L36] CALL mult(m, n) VAL [\old(m)=3, \old(n)=1073741824] [L18] COND FALSE !(m < 0) VAL [\old(m)=3, \old(n)=1073741824, m=3, n=1073741824] [L21] COND FALSE !(m == 0) VAL [\old(m)=3, \old(n)=1073741824, m=3, n=1073741824] [L24] EXPR m - 1 VAL [\old(m)=3, \old(n)=1073741824, m=3, n=1073741824] [L24] CALL, EXPR mult(n, m - 1) VAL [\old(m)=2, \old(n)=1073741824] [L18] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=1073741824, m=2, n=1073741824] [L21] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=1073741824, m=2, n=1073741824] [L24] EXPR m - 1 VAL [\old(m)=2, \old(n)=1073741824, m=2, n=1073741824] [L24] CALL, EXPR mult(n, m - 1) VAL [\old(m)=1, \old(n)=1073741824] [L18] COND FALSE !(m < 0) VAL [\old(m)=1, \old(n)=1073741824, m=1, n=1073741824] [L21] COND FALSE !(m == 0) VAL [\old(m)=1, \old(n)=1073741824, m=1, n=1073741824] [L24] EXPR m - 1 VAL [\old(m)=1, \old(n)=1073741824, m=1, n=1073741824] [L24] CALL, EXPR mult(n, m - 1) VAL [\old(m)=0, \old(n)=1073741824] [L18] COND FALSE !(m < 0) VAL [\old(m)=0, \old(n)=1073741824, m=0, n=1073741824] [L21] COND TRUE m == 0 [L22] return 0; VAL [\old(m)=0, \old(n)=1073741824, \result=0, m=0, n=1073741824] [L24] RET, EXPR mult(n, m - 1) VAL [\old(m)=1, \old(n)=1073741824, m=1, mult(n, m - 1)=0, n=1073741824] [L24] EXPR n + mult(n, m - 1) [L24] return n + mult(n, m - 1); [L24] RET, EXPR mult(n, m - 1) VAL [\old(m)=2, \old(n)=1073741824, m=2, mult(n, m - 1)=1073741824, n=1073741824] [L24] n + mult(n, m - 1) VAL [\old(m)=2, \old(n)=1073741824, m=2, mult(n, m - 1)=1073741824, n=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 54.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 230.96 ms. Allocated memory is still 98.6 MB. Free memory was 64.9 MB in the beginning and 73.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.27 ms. Allocated memory is still 98.6 MB. Free memory was 73.7 MB in the beginning and 72.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.91 ms. Allocated memory is still 98.6 MB. Free memory was 72.4 MB in the beginning and 71.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 383.61 ms. Allocated memory is still 98.6 MB. Free memory was 71.4 MB in the beginning and 59.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 5334.11 ms. Allocated memory was 98.6 MB in the beginning and 151.0 MB in the end (delta: 52.4 MB). Free memory was 59.9 MB in the beginning and 110.1 MB in the end (delta: -50.1 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. * Witness Printer took 170.14 ms. Allocated memory is still 151.0 MB. Free memory was 110.1 MB in the beginning and 106.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 03:26:43,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a428602c-b757-472a-8ef4-3f535406e34a/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...