./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.18.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg --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 b7b84dd29ea36609e5f5c61ea995baac9099f3fa2331fbdc558930ff5215a280 --- 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-b5237d8 [2022-11-21 23:35:38,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:35:38,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:35:38,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:35:38,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:35:38,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:35:38,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:35:38,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:35:38,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:35:38,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:35:38,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:35:38,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:35:38,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:35:38,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:35:38,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:35:38,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:35:38,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:35:38,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:35:38,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:35:38,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:35:38,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:35:38,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:35:38,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:35:38,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:35:38,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:35:38,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:35:38,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:35:38,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:35:38,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:35:38,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:35:38,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:35:38,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:35:38,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:35:38,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:35:38,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:35:38,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:35:38,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:35:38,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:35:38,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:35:38,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:35:38,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:35:38,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:35:38,603 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:35:38,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:35:38,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:35:38,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:35:38,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:35:38,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:35:38,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:35:38,606 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:35:38,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:35:38,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:35:38,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:35:38,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:35:38,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:35:38,607 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:35:38,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:35:38,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:35:38,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:35:38,608 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:35:38,608 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:35:38,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:35:38,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:35:38,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:35:38,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:35:38,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:35:38,609 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:35:38,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:35:38,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:35:38,610 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_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b84dd29ea36609e5f5c61ea995baac9099f3fa2331fbdc558930ff5215a280 [2022-11-21 23:35:38,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:35:38,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:35:38,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:35:38,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:35:38,940 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:35:38,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-restricted-15/b.18.c [2022-11-21 23:35:42,115 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:35:42,313 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:35:42,313 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/sv-benchmarks/c/termination-restricted-15/b.18.c [2022-11-21 23:35:42,320 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/data/8528a80fd/cc8caf0ed9ce4c788cf6b4b3746be41d/FLAGeaa5dda65 [2022-11-21 23:35:42,333 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/data/8528a80fd/cc8caf0ed9ce4c788cf6b4b3746be41d [2022-11-21 23:35:42,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:35:42,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:35:42,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:35:42,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:35:42,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:35:42,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a85ee5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42, skipping insertion in model container [2022-11-21 23:35:42,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:35:42,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:35:42,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:35:42,512 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:35:42,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:35:42,538 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:35:42,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42 WrapperNode [2022-11-21 23:35:42,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:35:42,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:35:42,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:35:42,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:35:42,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,563 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-11-21 23:35:42,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:35:42,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:35:42,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:35:42,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:35:42,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,579 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:35:42,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:35:42,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:35:42,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:35:42,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:35:42,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:35:42,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:35:42,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:35:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:35:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:35:42,755 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:35:42,757 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:35:42,854 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:35:42,877 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:35:42,877 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:35:42,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:35:42 BoogieIcfgContainer [2022-11-21 23:35:42,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:35:42,881 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:35:42,881 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:35:42,891 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:35:42,891 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:35:42" (1/1) ... [2022-11-21 23:35:42,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:35:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:42,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-11-21 23:35:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-21 23:35:42,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:35:42,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:42,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:35:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:43,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-11-21 23:35:43,181 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-11-21 23:35:43,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:35:43,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:43,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:35:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-11-21 23:35:43,397 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-11-21 23:35:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:35:43,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:43,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:35:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-11-21 23:35:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-11-21 23:35:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:35:43,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:43,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:43,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:35:43,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-11-21 23:35:43,946 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-11-21 23:35:43,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:35:43,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:43,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:35:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-11-21 23:35:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-11-21 23:35:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:35:44,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:44,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:44,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:35:44,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:44,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-11-21 23:35:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-11-21 23:35:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:35:44,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:44,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:35:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:44,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-11-21 23:35:44,323 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-11-21 23:35:44,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:35:44,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:44,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:44,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:35:44,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2022-11-21 23:35:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2022-11-21 23:35:44,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:35:44,481 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 23:35:44,492 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:35:44,560 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-21 23:35:44,573 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:35:44,574 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:35:44,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:35:44 ImpRootNode [2022-11-21 23:35:44,575 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:35:44,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:35:44,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:35:44,577 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:35:44,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:35:42" (3/4) ... [2022-11-21 23:35:44,582 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:35:44,593 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 23:35:44,593 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 23:35:44,593 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 23:35:44,659 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:35:44,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:35:44,661 INFO L158 Benchmark]: Toolchain (without parser) took 2323.83ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 61.3MB in the beginning and 95.3MB in the end (delta: -34.0MB). Peak memory consumption was 198.8kB. Max. memory is 16.1GB. [2022-11-21 23:35:44,662 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 107.0MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:35:44,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.73ms. Allocated memory is still 107.0MB. Free memory was 61.0MB in the beginning and 52.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:35:44,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.31ms. Allocated memory is still 107.0MB. Free memory was 51.9MB in the beginning and 50.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:35:44,664 INFO L158 Benchmark]: Boogie Preprocessor took 16.98ms. Allocated memory is still 107.0MB. Free memory was 50.6MB in the beginning and 49.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:35:44,664 INFO L158 Benchmark]: RCFGBuilder took 298.08ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 49.6MB in the beginning and 108.5MB in the end (delta: -58.9MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-21 23:35:44,669 INFO L158 Benchmark]: CodeCheck took 1694.91ms. Allocated memory is still 138.4MB. Free memory was 108.5MB in the beginning and 98.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-21 23:35:44,670 INFO L158 Benchmark]: Witness Printer took 84.26ms. Allocated memory is still 138.4MB. Free memory was 98.4MB in the beginning and 95.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:35:44,673 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 196 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 183 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 168 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 701 IncrementalHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 168 mSolverCounterUnsat, 0 mSDtfsCounter, 701 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 508 GetRequests, 466 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 10/10 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 - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: 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: 9]: Loop Invariant Derived loop invariant: (!(1 <= y) || !(1 <= x)) || (x <= 2147483647 && y <= 2147483647) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: x <= 2147483647 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 107.0MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.73ms. Allocated memory is still 107.0MB. Free memory was 61.0MB in the beginning and 52.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.31ms. Allocated memory is still 107.0MB. Free memory was 51.9MB in the beginning and 50.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.98ms. Allocated memory is still 107.0MB. Free memory was 50.6MB in the beginning and 49.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 298.08ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 49.6MB in the beginning and 108.5MB in the end (delta: -58.9MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * CodeCheck took 1694.91ms. Allocated memory is still 138.4MB. Free memory was 108.5MB in the beginning and 98.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Witness Printer took 84.26ms. Allocated memory is still 138.4MB. Free memory was 98.4MB in the beginning and 95.3MB 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! [2022-11-21 23:35:44,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9008ee76-a7b2-4a06-ada2-892e5b6c2aec/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE