./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ --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 32bit --witnessprinter.graph.data.programhash 2c47a69833f1a958e38c27482b535b2d176258e52297f9899a8926a996c05520 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:04:54,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:04:54,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:04:54,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:04:54,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:04:54,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:04:54,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:04:54,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:04:54,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:04:54,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:04:54,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:04:54,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:04:54,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:04:54,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:04:54,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:04:54,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:04:54,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:04:54,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:04:54,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:04:54,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:04:54,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:04:54,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:04:54,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:04:54,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:04:54,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:04:54,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:04:54,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:04:54,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:04:54,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:04:54,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:04:54,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:04:54,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:04:54,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:04:54,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:04:54,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:04:54,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:04:54,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:04:54,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:04:54,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:04:54,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:04:54,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:04:54,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:04:54,946 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:04:54,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:04:54,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:04:54,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:04:54,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:04:54,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:04:54,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:04:54,950 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:04:54,950 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:04:54,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:04:54,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:04:54,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:04:54,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:04:54,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:04:54,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:04:54,953 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:04:54,953 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:04:54,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:04:54,954 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:04:54,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:04:54,954 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:04:54,955 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:04:54,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:04:54,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:04:54,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:04:54,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:04:54,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:04:54,956 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:04:54,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:04:54,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:04:54,957 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_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c47a69833f1a958e38c27482b535b2d176258e52297f9899a8926a996c05520 [2022-11-20 17:04:55,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:04:55,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:04:55,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:04:55,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:04:55,309 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:04:55,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2022-11-20 17:04:58,292 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:04:58,531 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:04:58,532 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2022-11-20 17:04:58,539 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/data/af864ffe3/630cf56912c948aeb56498ee2c5ec4ab/FLAG77cc32f8a [2022-11-20 17:04:58,559 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/data/af864ffe3/630cf56912c948aeb56498ee2c5ec4ab [2022-11-20 17:04:58,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:04:58,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:04:58,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:04:58,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:04:58,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:04:58,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d60466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58, skipping insertion in model container [2022-11-20 17:04:58,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:04:58,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:04:58,847 WARN L237 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_7f2af69c-fede-4876-b3a6-20e2eb430cf9/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2022-11-20 17:04:58,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:04:58,861 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:04:58,890 WARN L237 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_7f2af69c-fede-4876-b3a6-20e2eb430cf9/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2022-11-20 17:04:58,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:04:58,905 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:04:58,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58 WrapperNode [2022-11-20 17:04:58,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:04:58,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:04:58,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:04:58,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:04:58,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,940 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-20 17:04:58,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:04:58,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:04:58,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:04:58,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:04:58,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,967 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:04:58,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:04:58,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:04:58,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:04:58,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:58" (1/1) ... [2022-11-20 17:04:58,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:04:58,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:04:59,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:04:59,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:04:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:04:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:04:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2022-11-20 17:04:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2022-11-20 17:04:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2022-11-20 17:04:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2022-11-20 17:04:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:04:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:04:59,143 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:04:59,148 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:04:59,330 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:04:59,363 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:04:59,363 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:04:59,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:04:59 BoogieIcfgContainer [2022-11-20 17:04:59,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:04:59,367 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:04:59,367 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:04:59,378 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:04:59,378 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:04:59" (1/1) ... [2022-11-20 17:04:59,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:04:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 46 states and 52 transitions. [2022-11-20 17:04:59,452 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2022-11-20 17:04:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:04:59,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:59,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:59,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 58 transitions. [2022-11-20 17:04:59,786 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2022-11-20 17:04:59,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:04:59,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:59,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:59,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 59 transitions. [2022-11-20 17:04:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2022-11-20 17:04:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:04:59,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:59,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:00,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 67 transitions. [2022-11-20 17:05:00,146 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2022-11-20 17:05:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:05:00,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:00,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:00,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 54 states and 64 transitions. [2022-11-20 17:05:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2022-11-20 17:05:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:05:00,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:00,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:00,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 66 transitions. [2022-11-20 17:05:00,414 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2022-11-20 17:05:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:05:00,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:00,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:00,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 67 transitions. [2022-11-20 17:05:00,537 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2022-11-20 17:05:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:05:00,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:00,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:00,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 72 transitions. [2022-11-20 17:05:00,940 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2022-11-20 17:05:00,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:05:00,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:00,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:01,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 28 states and 29 transitions. [2022-11-20 17:05:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2022-11-20 17:05:01,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:05:01,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:01,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:05:01,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 32 states and 33 transitions. [2022-11-20 17:05:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2022-11-20 17:05:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:05:01,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:01,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:05:01,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 33 states and 34 transitions. [2022-11-20 17:05:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2022-11-20 17:05:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:05:01,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:01,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:05:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 32 states and 33 transitions. [2022-11-20 17:05:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2022-11-20 17:05:02,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:05:02,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:02,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:05:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 31 states and 32 transitions. [2022-11-20 17:05:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2022-11-20 17:05:02,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:05:02,348 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2022-11-20 17:05:02,359 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 17:05:02,471 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:05:02,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:05:02 ImpRootNode [2022-11-20 17:05:02,476 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:05:02,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:05:02,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:05:02,477 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:05:02,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:04:59" (3/4) ... [2022-11-20 17:05:02,481 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:05:02,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo2 [2022-11-20 17:05:02,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo1 [2022-11-20 17:05:02,491 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 17:05:02,491 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:05:02,492 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:05:02,492 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:05:02,534 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:05:02,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:05:02,555 INFO L158 Benchmark]: Toolchain (without parser) took 3991.10ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 126.2MB in the beginning and 123.0MB in the end (delta: 3.2MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2022-11-20 17:05:02,555 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:05:02,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.29ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 123.6MB in the end (delta: 1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:05:02,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.24ms. Allocated memory is still 157.3MB. Free memory was 123.6MB in the beginning and 122.7MB in the end (delta: 865.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:05:02,557 INFO L158 Benchmark]: Boogie Preprocessor took 27.99ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 120.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:05:02,557 INFO L158 Benchmark]: RCFGBuilder took 396.37ms. Allocated memory is still 157.3MB. Free memory was 120.9MB in the beginning and 108.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:05:02,558 INFO L158 Benchmark]: CodeCheck took 3109.32ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 108.3MB in the beginning and 126.1MB in the end (delta: -17.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2022-11-20 17:05:02,559 INFO L158 Benchmark]: Witness Printer took 76.95ms. Allocated memory is still 188.7MB. Free memory was 126.1MB in the beginning and 123.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:05:02,562 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 3 procedures, 46 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 516 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 282 mSDsluCounter, 220 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 326 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1208 IncrementalHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 326 mSolverCounterUnsat, 140 mSDtfsCounter, 1208 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1532 GetRequests, 1473 SyntacticMatches, 9 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 19/23 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.29ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 123.6MB in the end (delta: 1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.24ms. Allocated memory is still 157.3MB. Free memory was 123.6MB in the beginning and 122.7MB in the end (delta: 865.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.99ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 120.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.37ms. Allocated memory is still 157.3MB. Free memory was 120.9MB in the beginning and 108.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 3109.32ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 108.3MB in the beginning and 126.1MB in the end (delta: -17.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Witness Printer took 76.95ms. Allocated memory is still 188.7MB. Free memory was 126.1MB in the beginning and 123.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:05:02,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2af69c-fede-4876-b3a6-20e2eb430cf9/bin/ukojak-pZX7IvK2PQ/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