./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.01.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_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/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_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/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_5e90f94d-a96d-494f-bc2a-04a069d7ec85/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 0360ab125f8731d0a42139085091eb1fa52387472021da2b1f8231b4702522e5 --- 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 17:26:27,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:26:27,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:26:27,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:26:27,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:26:27,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:26:27,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:26:27,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:26:27,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:26:27,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:26:27,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:26:27,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:26:27,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:26:27,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:26:27,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:26:27,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:26:27,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:26:27,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:26:27,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:26:27,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:26:27,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:26:27,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:26:27,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:26:27,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:26:27,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:26:27,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:26:27,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:26:27,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:26:27,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:26:27,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:26:27,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:26:27,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:26:27,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:26:27,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:26:27,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:26:27,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:26:27,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:26:27,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:26:27,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:26:27,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:26:27,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:26:27,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:26:27,487 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:26:27,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:26:27,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:26:27,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:26:27,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:26:27,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:26:27,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:26:27,490 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:26:27,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:26:27,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:26:27,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:26:27,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:26:27,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:26:27,492 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:26:27,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:26:27,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:26:27,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:26:27,493 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:26:27,493 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:26:27,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:26:27,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:27,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:26:27,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:26:27,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:26:27,494 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:26:27,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:26:27,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:26:27,495 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_5e90f94d-a96d-494f-bc2a-04a069d7ec85/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0360ab125f8731d0a42139085091eb1fa52387472021da2b1f8231b4702522e5 [2022-11-20 17:26:27,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:26:27,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:26:27,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:26:27,839 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:26:27,839 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:26:27,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-restricted-15/b.01.c [2022-11-20 17:26:30,949 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:26:31,131 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:26:31,132 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/sv-benchmarks/c/termination-restricted-15/b.01.c [2022-11-20 17:26:31,138 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ/data/6170a1efb/2663c837ebea41908c81e9b588f28f14/FLAG4df957717 [2022-11-20 17:26:31,154 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ/data/6170a1efb/2663c837ebea41908c81e9b588f28f14 [2022-11-20 17:26:31,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:26:31,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:26:31,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:31,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:26:31,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:26:31,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4033b9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31, skipping insertion in model container [2022-11-20 17:26:31,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:26:31,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:26:31,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:31,382 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:26:31,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:31,412 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:26:31,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31 WrapperNode [2022-11-20 17:26:31,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:31,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:31,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:26:31,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:26:31,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,444 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-20 17:26:31,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:31,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:26:31,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:26:31,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:26:31,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:26:31,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:26:31,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:26:31,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:26:31,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:31,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:26:31,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:26:31,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:26:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:26:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:26:31,665 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:26:31,667 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:26:31,770 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:26:31,809 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:26:31,810 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:26:31,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:31 BoogieIcfgContainer [2022-11-20 17:26:31,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:26:31,816 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:26:31,816 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:26:31,827 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:26:31,827 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:31" (1/1) ... [2022-11-20 17:26:31,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:26:31,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-11-20 17:26:31,897 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-11-20 17:26:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:26:31,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:31,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:32,038 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 17:26:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:32,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-11-20 17:26:32,079 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-11-20 17:26:32,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:26:32,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:32,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:32,147 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 17:26:32,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:32,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-11-20 17:26:32,317 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-11-20 17:26:32,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:26:32,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:32,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:32,435 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 17:26:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-11-20 17:26:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-11-20 17:26:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:26:32,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:32,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:26:32,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2022-11-20 17:26:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2022-11-20 17:26:32,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:26:32,724 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-20 17:26:32,732 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-20 17:26:32,752 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-11-20 17:26:32,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:26:32 ImpRootNode [2022-11-20 17:26:32,763 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:26:32,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:26:32,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:26:32,764 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:26:32,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:31" (3/4) ... [2022-11-20 17:26:32,768 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:26:32,777 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:26:32,777 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 17:26:32,778 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:26:32,811 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:26:32,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:26:32,812 INFO L158 Benchmark]: Toolchain (without parser) took 1628.33ms. Allocated memory is still 169.9MB. Free memory was 140.8MB in the beginning and 124.6MB in the end (delta: 16.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-11-20 17:26:32,816 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 127.9MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:32,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.54ms. Allocated memory is still 169.9MB. Free memory was 140.6MB in the beginning and 135.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:32,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.28ms. Allocated memory is still 169.9MB. Free memory was 135.6MB in the beginning and 134.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:32,819 INFO L158 Benchmark]: Boogie Preprocessor took 23.94ms. Allocated memory is still 169.9MB. Free memory was 134.2MB in the beginning and 133.6MB in the end (delta: 609.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:32,820 INFO L158 Benchmark]: RCFGBuilder took 340.59ms. Allocated memory is still 169.9MB. Free memory was 133.0MB in the beginning and 123.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:26:32,824 INFO L158 Benchmark]: CodeCheck took 947.18ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 126.7MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:32,824 INFO L158 Benchmark]: Witness Printer took 47.91ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 124.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:32,827 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, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 0 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 141 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 3/5 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: x <= 2147483647 && 0 <= y + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 127.9MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.54ms. Allocated memory is still 169.9MB. Free memory was 140.6MB in the beginning and 135.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.28ms. Allocated memory is still 169.9MB. Free memory was 135.6MB in the beginning and 134.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.94ms. Allocated memory is still 169.9MB. Free memory was 134.2MB in the beginning and 133.6MB in the end (delta: 609.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.59ms. Allocated memory is still 169.9MB. Free memory was 133.0MB in the beginning and 123.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 947.18ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 126.7MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.91ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 124.6MB 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 17:26:32,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e90f94d-a96d-494f-bc2a-04a069d7ec85/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