./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Copenhagen.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/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_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Copenhagen.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/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 64bit --witnessprinter.graph.data.programhash 97f3ae71d7e55617c3dc3c40b5dfbc58b84ebe43530264553a18780748bc766c --- 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 18:00:45,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:00:45,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:00:45,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:00:45,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:00:45,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:00:45,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:00:45,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:00:45,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:00:45,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:00:45,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:00:45,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:00:45,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:00:45,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:00:45,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:00:45,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:00:45,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:00:45,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:00:45,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:00:45,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:00:45,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:00:45,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:00:45,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:00:45,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:00:45,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:00:45,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:00:45,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:00:45,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:00:45,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:00:45,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:00:45,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:00:45,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:00:45,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:00:45,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:00:45,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:00:45,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:00:45,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:00:45,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:00:45,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:00:45,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:00:45,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:00:45,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:00:45,487 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:00:45,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:00:45,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:00:45,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:00:45,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:00:45,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:00:45,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:00:45,491 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:00:45,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:00:45,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:00:45,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:00:45,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:00:45,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:00:45,497 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:00:45,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:00:45,498 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:00:45,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:00:45,499 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:00:45,499 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:00:45,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:00:45,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:00:45,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:00:45,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:00:45,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:00:45,502 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:00:45,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:00:45,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:00:45,504 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_05415549-cf9f-496d-921e-ff4816d16eb4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97f3ae71d7e55617c3dc3c40b5dfbc58b84ebe43530264553a18780748bc766c [2022-11-20 18:00:45,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:00:45,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:00:45,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:00:45,930 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:00:45,930 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:00:45,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-crafted/Copenhagen.c [2022-11-20 18:00:49,968 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:00:50,205 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:00:50,206 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/sv-benchmarks/c/termination-crafted/Copenhagen.c [2022-11-20 18:00:50,211 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/data/f0c70918b/04afc90cceb0416db8b77f59f5996d04/FLAG7501e3aa6 [2022-11-20 18:00:50,231 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/data/f0c70918b/04afc90cceb0416db8b77f59f5996d04 [2022-11-20 18:00:50,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:00:50,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:00:50,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:00:50,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:00:50,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:00:50,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd73e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50, skipping insertion in model container [2022-11-20 18:00:50,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:00:50,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:00:50,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:00:50,453 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:00:50,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:00:50,478 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:00:50,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50 WrapperNode [2022-11-20 18:00:50,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:00:50,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:00:50,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:00:50,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:00:50,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,519 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2022-11-20 18:00:50,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:00:50,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:00:50,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:00:50,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:00:50,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,543 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:00:50,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:00:50,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:00:50,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:00:50,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:00:50,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:00:50,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:00:50,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:00:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:00:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:00:50,757 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:00:50,759 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:00:50,856 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:00:50,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:00:50,881 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:00:50,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:50 BoogieIcfgContainer [2022-11-20 18:00:50,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:00:50,886 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:00:50,887 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:00:50,899 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:00:50,900 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:50" (1/1) ... [2022-11-20 18:00:50,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:00:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 18:00:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 18:00:50,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:00:50,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:50,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:51,248 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 18:00:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:51,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-11-20 18:00:51,329 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-11-20 18:00:51,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:00:51,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:51,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:51,372 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 18:00:51,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-11-20 18:00:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-11-20 18:00:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:00:51,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:51,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:51,523 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 18:00:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2022-11-20 18:00:52,084 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2022-11-20 18:00:52,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:00:52,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:52,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:52,209 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 18:00:52,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2022-11-20 18:00:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2022-11-20 18:00:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:00:52,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:52,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:52,820 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 18:00:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-11-20 18:00:52,940 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-11-20 18:00:52,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:00:52,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:52,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:53,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:00:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:53,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-11-20 18:00:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-11-20 18:00:53,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:00:53,590 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-20 18:00:53,608 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 18:00:53,655 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 18:00:53,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:00:53 ImpRootNode [2022-11-20 18:00:53,669 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:00:53,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:00:53,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:00:53,670 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:00:53,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:50" (3/4) ... [2022-11-20 18:00:53,675 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:00:53,687 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 18:00:53,687 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 18:00:53,688 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 18:00:53,730 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:00:53,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:00:53,731 INFO L158 Benchmark]: Toolchain (without parser) took 3495.22ms. Allocated memory is still 163.6MB. Free memory was 120.9MB in the beginning and 77.1MB in the end (delta: 43.8MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2022-11-20 18:00:53,732 INFO L158 Benchmark]: CDTParser took 1.98ms. Allocated memory is still 163.6MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:53,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.37ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 111.7MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:00:53,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.25ms. Allocated memory is still 163.6MB. Free memory was 111.7MB in the beginning and 110.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:53,734 INFO L158 Benchmark]: Boogie Preprocessor took 25.95ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 109.4MB in the end (delta: 971.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:53,734 INFO L158 Benchmark]: RCFGBuilder took 338.26ms. Allocated memory is still 163.6MB. Free memory was 109.4MB in the beginning and 99.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 18:00:53,735 INFO L158 Benchmark]: CodeCheck took 2782.58ms. Allocated memory is still 163.6MB. Free memory was 99.9MB in the beginning and 79.1MB in the end (delta: 20.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-20 18:00:53,736 INFO L158 Benchmark]: Witness Printer took 60.86ms. Allocated memory is still 163.6MB. Free memory was 79.1MB in the beginning and 77.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:53,739 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 311 IncrementalHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 0 mSDtfsCounter, 311 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 244 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1080 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 2/6 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 19]: 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: 16]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.98ms. Allocated memory is still 163.6MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.37ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 111.7MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.25ms. Allocated memory is still 163.6MB. Free memory was 111.7MB in the beginning and 110.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.95ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 109.4MB in the end (delta: 971.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.26ms. Allocated memory is still 163.6MB. Free memory was 109.4MB in the beginning and 99.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2782.58ms. Allocated memory is still 163.6MB. Free memory was 99.9MB in the beginning and 79.1MB in the end (delta: 20.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Witness Printer took 60.86ms. Allocated memory is still 163.6MB. Free memory was 79.1MB in the beginning and 77.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:00:53,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05415549-cf9f-496d-921e-ff4816d16eb4/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